:root {
  --cs-primary: #1E88E5;
  --cs-primary-dark: #0D47A1;
  --cs-accent: #29B6F6;
  --cs-background: #FFFFFF;
  --cs-background-alt: #F5F9FF;
  --cs-text: #333333;
  --cs-text-secondary: #666666;
  --cs-highlight: #E1F5FE;
  --cs-warning: #FFD54F;
  --cs-error: #EF5350;
  --cs-shadow: rgba(0, 0, 0, 0.1);
  --cs-transition: all 0.3s ease;
  --cs-border-radius: 4px;
  --cs-spacing-xs: 0.25rem;
  --cs-spacing-sm: 0.5rem;
  --cs-spacing-md: 1rem;
  --cs-spacing-lg: 1.5rem;
  --cs-spacing-xl: 2rem;
  --cs-spacing-xxl: 3rem;
}


body {
  font-family: 'Lato', sans-serif;
  color: var(--cs-text);
  line-height: 1.6;
  background-color: var(--cs-background);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-top: 0;
  margin-bottom: var(--cs-spacing-md);
  color: var(--cs-primary-dark);
}

p {
  margin-top: 0;
  margin-bottom: var(--cs-spacing-md);
}

a {
  color: var(--cs-primary);
  text-decoration: none;
  transition: var(--cs-transition);
}

a:hover, a:focus {
  color: var(--cs-primary-dark);
  text-decoration: underline;
}


.cs-wrapper {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--cs-spacing-md);
}

.cs-section {
  padding: var(--cs-spacing-xxl) 0;
}

.cs-section--alt {
  background-color: var(--cs-background-alt);
}

.cs-flex {
  display: flex;
}

.cs-flex--column {
  flex-direction: column;
}

.cs-flex--center {
  justify-content: center;
  align-items: center;
}

.cs-flex--between {
  justify-content: space-between;
}

.cs-flex--wrap {
  flex-wrap: wrap;
}

.cs-grid {
  display: grid;
  gap: var(--cs-spacing-lg);
}

.cs-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

.cs-grid--3col {
  grid-template-columns: repeat(3, 1fr);
}

.cs-grid--4col {
  grid-template-columns: repeat(4, 1fr);
}


.cs-header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background-color: var(--cs-background);
  box-shadow: 0 2px 10px var(--cs-shadow);
  z-index: 1000;
  padding: var(--cs-spacing-md) 0;
  transition: var(--cs-transition);
}

.cs-header--scrolled {
  padding: var(--cs-spacing-sm) 0;
}

.cs-logo {
  height: 40px;
  width: auto;
}

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

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

.cs-nav__item {
  margin: 0 var(--cs-spacing-md);
}

.cs-nav__link {
  font-weight: 400;
  font-size: 1rem;
  color: var(--cs-text);
  position: relative;
  padding: var(--cs-spacing-xs) 0;
}

.cs-nav__link:hover,
.cs-nav__link:focus {
  color: var(--cs-primary);
  text-decoration: none;
}

.cs-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--cs-primary);
  transition: var(--cs-transition);
}

.cs-nav__link:hover::after,
.cs-nav__link:focus::after,
.cs-nav__link--active::after {
  width: 100%;
}

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

.cs-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--cs-spacing-sm);
}

.cs-nav-toggle__line {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--cs-primary);
  margin: 5px 0;
  transition: var(--cs-transition);
}


.cs-banner {
  position: relative;
  height: 80vh;
  min-height: 600px;
  background-color: var(--cs-primary-dark);
  color: var(--cs-background);
  overflow: hidden;
  margin-top: 60px;
}

.cs-banner__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--cs-spacing-xl);
}

.cs-banner__title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--cs-spacing-md);
  color: var(--cs-background);
}

.cs-banner__subtitle {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: var(--cs-spacing-lg);
  max-width: 700px;
}

.cs-banner__image {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.cs-banner__overlay {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, var(--cs-primary-dark) 0%, rgba(13, 71, 161, 0) 100%);
  z-index: 1;
}


.cs-button {
  display: inline-block;
  padding: var(--cs-spacing-sm) var(--cs-spacing-lg);
  background-color: var(--cs-primary);
  color: white;
  border: none;
  border-radius: var(--cs-border-radius);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--cs-transition);
  text-align: center;
}

.cs-button:hover,
.cs-button:focus {
  background-color: var(--cs-primary-dark);
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--cs-shadow);
}

.cs-button--outlined {
  background-color: transparent;
  border: 2px solid var(--cs-primary);
  color: var(--cs-primary);
}

.cs-button--outlined:hover,
.cs-button--outlined:focus {
  background-color: var(--cs-primary);
  color: white;
}

.cs-button--light {
  background-color: white;
  color: var(--cs-primary);
}

.cs-button--light:hover,
.cs-button--light:focus {
  background-color: var(--cs-highlight);
  color: var(--cs-primary-dark);
}


.cs-card {
  background-color: var(--cs-background);
  border-radius: var(--cs-border-radius);
  box-shadow: 0 4px 12px var(--cs-shadow);
  padding: var(--cs-spacing-lg);
  margin-bottom: var(--cs-spacing-lg);
  transition: var(--cs-transition);
}

.cs-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px var(--cs-shadow);
}

.cs-card__title {
  font-size: 1.5rem;
  margin-bottom: var(--cs-spacing-md);
}

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

.cs-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--cs-border-radius) var(--cs-border-radius) 0 0;
  margin-bottom: var(--cs-spacing-md);
}

.cs-card__footer {
  margin-top: var(--cs-spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}


.cs-event {
  display: flex;
  background-color: var(--cs-background);
  border-radius: var(--cs-border-radius);
  overflow: hidden;
  box-shadow: 0 4px 12px var(--cs-shadow);
  margin-bottom: var(--cs-spacing-lg);
  transition: var(--cs-transition);
}

.cs-event:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px var(--cs-shadow);
}

.cs-event__date {
  background-color: var(--cs-primary);
  color: white;
  padding: var(--cs-spacing-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 100px;
}

.cs-event__day {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.cs-event__month {
  font-size: 1rem;
  text-transform: uppercase;
}

.cs-event__content {
  padding: var(--cs-spacing-lg);
  flex: 1;
}

.cs-event__title {
  font-size: 1.25rem;
  margin-bottom: var(--cs-spacing-xs);
}

.cs-event__time,
.cs-event__location {
  display: flex;
  align-items: center;
  margin-bottom: var(--cs-spacing-xs);
  color: var(--cs-text-secondary);
}

.cs-event__icon {
  margin-right: var(--cs-spacing-sm);
  color: var(--cs-primary);
}


.cs-form {
  max-width: 600px;
  margin: 0 auto;
}

.cs-form__group {
  margin-bottom: var(--cs-spacing-lg);
}

.cs-form__label {
  display: block;
  margin-bottom: var(--cs-spacing-xs);
  font-weight: 500;
}

.cs-form__input,
.cs-form__textarea,
.cs-form__select {
  width: 100%;
  padding: var(--cs-spacing-sm) var(--cs-spacing-md);
  border: 1px solid #ddd;
  border-radius: var(--cs-border-radius);
  font-family: 'Lato', sans-serif;
  font-size: 1rem;
  transition: var(--cs-transition);
}

.cs-form__input:focus,
.cs-form__textarea:focus,
.cs-form__select:focus {
  outline: none;
  border-color: var(--cs-primary);
  box-shadow: 0 0 0 3px var(--cs-highlight);
}

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

.cs-form__checkbox {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--cs-spacing-md);
}

.cs-form__checkbox-input {
  margin-right: var(--cs-spacing-sm);
  margin-top: 5px;
}

.cs-form__checkbox-label {
  font-size: 0.9rem;
  color: var(--cs-text-secondary);
}

.cs-form__submit {
  width: 100%;
}


.cs-footer {
  background-color: var(--cs-primary-dark);
  color: white;
  padding: var(--cs-spacing-xl) 0;
}

.cs-footer__logo {
  height: 40px;
  margin-bottom: var(--cs-spacing-lg);
}

.cs-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--cs-spacing-xl);
}

.cs-footer__title {
  font-size: 1.2rem;
  color: white;
  margin-bottom: var(--cs-spacing-md);
}

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

.cs-footer__item {
  margin-bottom: var(--cs-spacing-sm);
}

.cs-footer__link {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--cs-transition);
}

.cs-footer__link:hover,
.cs-footer__link:focus {
  color: white;
  text-decoration: none;
}

.cs-footer__contact {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--cs-spacing-sm);
}

.cs-footer__contact-icon {
  margin-right: var(--cs-spacing-sm);
  color: var(--cs-accent);
}

.cs-footer__bottom {
  margin-top: var(--cs-spacing-xl);
  padding-top: var(--cs-spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cs-footer__copyright {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}


.cs-cookie {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--cs-background);
  box-shadow: 0 -2px 10px var(--cs-shadow);
  padding: var(--cs-spacing-lg);
  z-index: 9999;
  display: none;
}

.cs-cookie--visible {
  display: block;
}

.cs-cookie__content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.cs-cookie__text {
  flex: 1;
  margin-right: var(--cs-spacing-md);
  margin-bottom: var(--cs-spacing-md);
}

.cs-cookie__buttons {
  display: flex;
  flex-wrap: wrap;
}

.cs-cookie__button {
  margin-left: var(--cs-spacing-sm);
  margin-bottom: var(--cs-spacing-sm);
}

.cs-cookie__settings {
  cursor: pointer;
  text-decoration: underline;
  color: var(--cs-primary);
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  margin-left: var(--cs-spacing-md);
}

.cs-cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  display: none;
}

.cs-cookie-modal--visible {
  display: flex;
}

.cs-cookie-modal__content {
  background-color: var(--cs-background);
  border-radius: var(--cs-border-radius);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--cs-spacing-xl);
}

.cs-cookie-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--cs-spacing-lg);
}

.cs-cookie-modal__title {
  margin: 0;
}

.cs-cookie-modal__close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--cs-text-secondary);
}

.cs-cookie-modal__group {
  margin-bottom: var(--cs-spacing-lg);
  padding-bottom: var(--cs-spacing-lg);
  border-bottom: 1px solid #eee;
}

.cs-cookie-modal__group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--cs-spacing-sm);
}

.cs-cookie-modal__group-title {
  font-weight: 700;
  margin: 0;
}

.cs-cookie-modal__switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.cs-cookie-modal__checkbox {
  opacity: 0;
  width: 0;
  height: 0;
}

.cs-cookie-modal__slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 34px;
}

.cs-cookie-modal__slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

.cs-cookie-modal__checkbox:checked + .cs-cookie-modal__slider {
  background-color: var(--cs-primary);
}

.cs-cookie-modal__checkbox:checked + .cs-cookie-modal__slider:before {
  transform: translateX(26px);
}

.cs-cookie-modal__group-description {
  color: var(--cs-text-secondary);
  font-size: 0.9rem;
}

.cs-cookie-modal__footer {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--cs-spacing-lg);
}

.cs-cookie-modal__button {
  margin-left: var(--cs-spacing-sm);
}


.cs-speaker {
  text-align: center;
  margin-bottom: var(--cs-spacing-xl);
}

.cs-speaker__image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--cs-spacing-md);
  border: 3px solid var(--cs-primary);
}

.cs-speaker__name {
  font-size: 1.25rem;
  margin-bottom: var(--cs-spacing-xs);
}

.cs-speaker__position {
  color: var(--cs-text-secondary);
  margin-bottom: var(--cs-spacing-sm);
}

.cs-speaker__bio {
  font-size: 0.9rem;
}


.cs-schedule {
  margin-bottom: var(--cs-spacing-xl);
}

.cs-schedule__item {
  display: flex;
  margin-bottom: var(--cs-spacing-md);
  padding-bottom: var(--cs-spacing-md);
  border-bottom: 1px solid #eee;
}

.cs-schedule__time {
  min-width: 100px;
  padding-right: var(--cs-spacing-md);
  font-weight: 700;
  color: var(--cs-primary);
}

.cs-schedule__content {
  flex: 1;
}

.cs-schedule__title {
  margin-bottom: var(--cs-spacing-xs);
  font-size: 1.1rem;
}

.cs-schedule__speaker {
  color: var(--cs-text-secondary);
  font-style: italic;
  margin-bottom: var(--cs-spacing-sm);
}

.cs-schedule__description {
  font-size: 0.9rem;
}


.cs-statistics {
  background-color: var(--cs-primary-dark);
  color: white;
  padding: var(--cs-spacing-xxl) 0;
}

.cs-statistics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--cs-spacing-xl);
}

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

.cs-statistics__value {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--cs-spacing-xs);
  color: var(--cs-accent);
}

.cs-statistics__label {
  font-size: 1rem;
}


.cs-map {
  height: 400px;
  margin-bottom: var(--cs-spacing-xl);
}


.cs-parallax {
  position: relative;
  overflow: hidden;
  height: 400px;
}

.cs-parallax__layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  will-change: transform;
}

.cs-parallax__content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  text-align: center;
  color: white;
  padding: 0 var(--cs-spacing-xl);
}

.cs-parallax__title {
  font-size: 2.5rem;
  margin-bottom: var(--cs-spacing-md);
  color: white;
}

.cs-parallax__subtitle {
  font-size: 1.25rem;
  max-width: 800px;
  margin-bottom: var(--cs-spacing-lg);
}


.cs-thanks {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  text-align: center;
  padding: var(--cs-spacing-xxl) var(--cs-spacing-md);
}

.cs-thanks__icon {
  font-size: 5rem;
  color: var(--cs-primary);
  margin-bottom: var(--cs-spacing-lg);
}

.cs-thanks__title {
  font-size: 2.5rem;
  margin-bottom: var(--cs-spacing-md);
}

.cs-thanks__text {
  max-width: 600px;
  margin: 0 auto var(--cs-spacing-xl);
}


.iti {
  width: 100%;
}


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

.cs-text-right {
  text-align: right;
}

.cs-text-left {
  text-align: left;
}

.cs-margin-top {
  margin-top: var(--cs-spacing-lg);
}

.cs-margin-bottom {
  margin-bottom: var(--cs-spacing-lg);
}

.cs-padding-top {
  padding-top: var(--cs-spacing-lg);
}

.cs-padding-bottom {
  padding-bottom: var(--cs-spacing-lg);
}


@media (max-width: 1200px) {
  .cs-statistics__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--cs-spacing-lg);
  }
  
  .cs-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cs-banner__title {
    font-size: 3rem;
  }
}

@media (max-width: 992px) {
  .cs-grid--4col {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cs-grid--3col {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cs-event {
    flex-direction: column;
  }
  
  .cs-event__date {
    padding: var(--cs-spacing-sm);
    flex-direction: row;
    justify-content: center;
  }
  
  .cs-event__day {
    margin-right: var(--cs-spacing-sm);
  }
  
  .cs-banner {
    height: auto;
    min-height: 500px;
  }
  
  .cs-banner__image,
  .cs-banner__overlay {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .cs-nav__list {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--cs-background);
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    transition: height 0.3s ease;
    box-shadow: 0 4px 8px var(--cs-shadow);
  }
  
  .cs-nav__list--open {
    height: calc(100vh - 60px);
    padding: var(--cs-spacing-lg) 0;
    overflow-y: auto;
  }
  
  .cs-nav__item {
    margin: var(--cs-spacing-sm) 0;
  }
  
  .cs-nav-toggle {
    display: block;
  }
  
  .cs-nav-toggle--open .cs-nav-toggle__line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .cs-nav-toggle--open .cs-nav-toggle__line:nth-child(2) {
    opacity: 0;
  }
  
  .cs-nav-toggle--open .cs-nav-toggle__line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .cs-grid--2col {
    grid-template-columns: 1fr;
  }
  
  .cs-statistics__grid {
    grid-template-columns: 1fr;
  }
  
  .cs-footer__grid {
    grid-template-columns: 1fr;
  }
  
  .cs-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .cs-footer__copyright {
    margin-bottom: var(--cs-spacing-md);
  }
  
  .cs-banner__title {
    font-size: 2.5rem;
  }
  
  .cs-banner__subtitle {
    font-size: 1.25rem;
  }
  
  .cs-schedule__item {
    flex-direction: column;
  }
  
  .cs-schedule__time {
    margin-bottom: var(--cs-spacing-sm);
  }
}

@media (max-width: 576px) {
  .cs-grid--4col,
  .cs-grid--3col,
  .cs-grid--2col {
    grid-template-columns: 1fr;
  }
  
  .cs-cookie__content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cs-cookie__buttons {
    width: 100%;
    justify-content: space-between;
  }
  
  .cs-event__content {
    padding: var(--cs-spacing-md);
  }
  
  .cs-banner {
    min-height: 400px;
  }
  
  .cs-banner__title {
    font-size: 2rem;
  }
  
  .cs-banner__subtitle {
    font-size: 1rem;
  }
  
  .cs-form__submit {
    width: 100%;
  }
}