:root {
  --primary: #1E3A8A;
  --secondary: #8B5CF6;
  --accent: #F59E0B;
  --bg-light: #F8FAFC;
  --bg-dark: #0F172A;
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --border: #E2E8F0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
}


h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--primary);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.875rem;
  }

  h3 {
    font-size: 1.5rem;
  }
}


.header {
  position: sticky;
  top: 0;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 1rem 0;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.header__logo img {
  height: 40px;
}

.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__item {
  margin: 0 0.75rem;
}

.nav__link {
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav__link:hover {
  background-color: var(--bg-light);
}

.nav__link.active {
  color: var(--secondary);
  font-weight: 700;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav__list {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: white;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .nav__list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__item {
    margin: 0.5rem 0;
    width: 100%;
    text-align: center;
  }

  .nav__link {
    display: block;
    padding: 0.75rem 1rem;
  }

  .nav__toggle {
    display: block;
  }
}


.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: 'Space Grotesk', sans-serif;
}

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

.btn--primary:hover {
  background-color: #152c6e;
  color: white;
}

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

.btn--secondary:hover {
  background-color: #7c4ff0;
  color: white;
}

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

.btn--accent:hover {
  background-color: #e49209;
  color: white;
}

.btn--outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

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

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}


.hero {
  position: relative;
  padding: 120px 0;
  background-color: var(--bg-light);
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
  z-index: 0;
}

.hero__content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.hero__title {
  margin-bottom: 1.5rem;
  font-size: 3.5rem;
  color: var(--primary);
}

.hero__subtitle {
  margin-bottom: 2rem;
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.hero__cta {
  display: flex;
  position: relative;
  z-index: 2;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 0;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }
}


.card {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__content {
  padding: 1.5rem;
}

.card__title {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.card__text {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.card__meta {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.card__meta-item {
  display: flex;
  align-items: center;
  margin-right: 1rem;
}

.card__meta-item i {
  margin-right: 0.5rem;
  color: var(--secondary);
}

.card__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.card__badge--beginner {
  background-color: #E9F5FE;
  color: #0284C7;
}

.card__badge--intermediate {
  background-color: #F0F9FF;
  color: #0369A1;
}


.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}


.form {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.form__title {
  margin-bottom: 1.5rem;
  text-align: center;
}

.form__group {
  margin-bottom: 1.5rem;
}

.form__label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--secondary);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__checkbox {
  display: flex;
  align-items: flex-start;
}

.form__checkbox input {
  margin-top: 0.3rem;
  margin-right: 0.75rem;
}

.form__submit {
  width: 100%;
  margin-top: 1rem;
}


.iti {
  width: 100%;
}


.features {
  background-color: white;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature {
  text-align: center;
  padding: 2rem;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.feature:hover {
  transform: translateY(-10px);
}

.feature__icon {
  margin: 0 auto 1.5rem;
  width: 80px;
  height: 80px;
}

.feature__title {
  margin-bottom: 1rem;
  color: var(--primary);
}

.feature__text {
  color: var(--text-secondary);
}


.modules__header {
  margin-bottom: 3rem;
  text-align: center;
}

.modules__filters {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.modules__filter {
  padding: 0.5rem 1rem;
  background-color: white;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.modules__filter.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.modules__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}


.approach__timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.approach__timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--secondary);
  transform: translateX(-50%);
}

.approach__step {
  position: relative;
  margin-bottom: 3rem;
  display: flex;
}

.approach__step:nth-child(even) {
  flex-direction: row-reverse;
}

.approach__step-content {
  width: 45%;
  padding: 1.5rem;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.approach__step-number {
  position: absolute;
  top: 0;
  left: 50%;
  width: 40px;
  height: 40px;
  background-color: var(--secondary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transform: translateX(-50%);
  z-index: 1;
}

@media (max-width: 768px) {
  .approach__timeline::before {
    left: 30px;
  }

  .approach__step,
  .approach__step:nth-child(even) {
    flex-direction: row;
  }

  .approach__step-content {
    width: calc(100% - 60px);
    margin-left: 60px;
  }

  .approach__step-number {
    left: 30px;
    transform: translateX(-50%);
  }
}


.articles__header {
  margin-bottom: 3rem;
  text-align: center;
}

.articles__filters {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.articles__filter {
  padding: 0.5rem 1rem;
  background-color: white;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.articles__filter.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.article-preview {
  margin-bottom: 2rem;
}

.article-preview__meta {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.article-preview__date {
  margin-right: 1rem;
}

.article-preview__title {
  margin-bottom: 0.75rem;
}

.article-preview__excerpt {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}


.article {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 0;
}

.article__header {
  margin-bottom: 2rem;
  text-align: center;
}

.article__meta {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.article__date {
  margin-right: 1rem;
}

.article__content {
  font-size: 1.125rem;
  line-height: 1.8;
}

.article__content h2,
.article__content h3 {
  margin-top: 2rem;
}

.article__content img {
  margin: 2rem 0;
  border-radius: 8px;
}

.article__content ul,
.article__content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article__content blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--secondary);
  background-color: var(--bg-light);
  font-style: italic;
}


.contact__info {
  margin-bottom: 3rem;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact__icon {
  margin-right: 1rem;
  width: 24px;
  color: var(--primary);
}

.contact__text {
  flex: 1;
}

.contact__map {
  width: 100%;
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
}


.footer {
  background-color: var(--bg-dark);
  color: white;
  padding: 3rem 0;
}

.footer__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer__logo {
  margin-bottom: 1.5rem;
}

.footer__logo img {
  height: 40px;
  filter: brightness(0) invert(1);
}

.footer__text {
  margin-bottom: 1.5rem;
  color: #A1A1AA;
}

.footer__title {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__link {
  margin-bottom: 0.75rem;
}

.footer__link a {
  color: #A1A1AA;
  transition: color 0.3s ease;
}

.footer__link a:hover {
  color: white;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  color: #A1A1AA;
}

.footer__contact-icon {
  margin-right: 0.75rem;
  width: 20px;
}

.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: #A1A1AA;
  font-size: 0.875rem;
}


.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: white;
  padding: 1.5rem;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  display: none;
}

.cookie-consent.active {
  display: block;
}

.cookie-consent__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.cookie-consent__text {
  flex: 1;
  min-width: 280px;
}

.cookie-consent__buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1rem;
  display: none;
}

.cookie-settings-modal.active {
  display: flex;
}

.cookie-settings-modal__content {
  background-color: white;
  border-radius: 8px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.cookie-settings-modal__header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.cookie-settings-modal__title {
  margin-bottom: 0;
}

.cookie-settings-modal__body {
  padding: 1.5rem;
}

.cookie-settings-modal__category {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.cookie-settings-modal__category:last-child {
  border-bottom: none;
}

.cookie-settings-modal__category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.cookie-settings-modal__category-title {
  margin-bottom: 0;
  font-size: 1.125rem;
}

.cookie-settings-modal__category-toggle {
  display: flex;
  align-items: center;
}

.cookie-settings-modal__category-toggle input {
  margin-right: 0.5rem;
}

.cookie-settings-modal__category-description {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.cookie-settings-modal__footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}


.dialog {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1rem;
  display: none;
}

.dialog.active {
  display: flex;
}

.dialog__content {
  background-color: white;
  border-radius: 8px;
  max-width: 400px;
  width: 100%;
  padding: 2rem;
  text-align: center;
}

.dialog__icon {
  margin-bottom: 1.5rem;
  font-size: 3rem;
  color: var(--success);
}

.dialog__title {
  margin-bottom: 1rem;
}

.dialog__text {
  margin-bottom: 1.5rem;
}

.dialog__button {
  min-width: 120px;
}


.learning-plan {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.learning-plan__form {
  margin-bottom: 2rem;
}

.learning-plan__options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.learning-plan__option {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: flex-start;
}

.learning-plan__option input {
  margin-top: 0.25rem;
  margin-right: 0.75rem;
}

.learning-plan__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.learning-plan__result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.learning-plan__chart {
  height: 300px;
}

.learning-plan__courses {
  padding: 1.5rem;
  background-color: var(--bg-light);
  border-radius: 8px;
}

.learning-plan__course {
  padding: 1rem;
  background-color: white;
  border-radius: 4px;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.learning-plan__course:last-child {
  margin-bottom: 0;
}

.learning-plan__course-title {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.learning-plan__course-meta {
  display: flex;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.learning-plan__course-duration {
  margin-right: 1rem;
}


.quiz {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.quiz__progress {
  margin-bottom: 2rem;
}

.quiz__progress-bar {
  height: 8px;
  background-color: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.quiz__progress-fill {
  height: 100%;
  background-color: var(--secondary);
  width: 0;
  transition: width 0.3s ease;
}

.quiz__question {
  margin-bottom: 1.5rem;
}

.quiz__options {
  margin-bottom: 2rem;
}

.quiz__option {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.quiz__option:hover {
  border-color: var(--secondary);
}

.quiz__option.correct {
  border-color: var(--success);
  background-color: rgba(16, 185, 129, 0.1);
}

.quiz__option.incorrect {
  border-color: var(--error);
  background-color: rgba(239, 68, 68, 0.1);
}

.quiz__feedback {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  display: none;
}

.quiz__feedback.correct {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.quiz__feedback.incorrect {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.quiz__result {
  text-align: center;
  display: none;
}

.quiz__score {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary);
}

.quiz__chart {
  height: 200px;
  margin-bottom: 1.5rem;
}


.accordion {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--border);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__header {
  padding: 1rem 1.5rem;
  background-color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.3s ease;
}

.accordion__header:hover {
  background-color: var(--bg-light);
}

.accordion__title {
  margin-bottom: 0;
  font-size: 1.125rem;
}

.accordion__icon {
  transition: transform 0.3s ease;
}

.accordion__item.active .accordion__icon {
  transform: rotate(180deg);
}

.accordion__content {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion__item.active .accordion__content {
  padding: 1.5rem;
  max-height: 500px;
}


.calculator {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.calculator__form {
  margin-bottom: 2rem;
}

.calculator__result {
  padding: 1.5rem;
  background-color: var(--bg-light);
  border-radius: 8px;
  text-align: center;
}

.calculator__time {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary);
}

.calculator__description {
  margin-bottom: 0;
  color: var(--text-secondary);
}


.thanks {
  text-align: center;
  padding: 5rem 0;
}

.thanks__icon {
  font-size: 4rem;
  color: var(--success);
  margin-bottom: 2rem;
}

.thanks__title {
  margin-bottom: 1.5rem;
}

.thanks__text {
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}


.policy {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 0;
}

.policy__header {
  margin-bottom: 3rem;
  text-align: center;
}

.policy__updated {
  margin-bottom: 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.policy__section {
  margin-bottom: 2.5rem;
}

.policy__section-title {
  margin-bottom: 1.5rem;
}

.policy__list {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.policy__list li {
  margin-bottom: 0.75rem;
}


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

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}

.mt-5 {
  margin-top: 3rem;
}