:root {
    --primary: #0AE4A1;
    --primary-gradient: linear-gradient(84.82deg, #3C2382 15.74%, rgba(60, 35, 130, 0) 204.53%);
    --secondary: #3C2382;
    --bg-body: #000000;
    --bg-card: #1A1A1A;
    --bg-card-dark: #1C1A1A;
    --bg-card-light: #DEDEE0;
    --bg-card-white: #FFFFFF;
    --text: #FFFFFF;
    --text-dark: #1C1A1A;
    --text-muted: #7E7E7E;
    
    --blob-gradient: radial-gradient(circle, #0AE4A1 0%, rgba(10, 228, 161, 0.3) 50%, rgba(10, 228, 161, 0) 100%);
    --number-gradient: linear-gradient(182.96deg, #3C2382 35.74%, rgba(1, 71, 255, 0) 82.34%);
    --sunburst-gradient: linear-gradient(183.72deg, #0AE4A1 3.05%, rgba(10, 228, 161, 0) 115.62%);
    
    --container-padding: 1.5rem;
    --container-max-width: 75vw;
    --section-spacing: 3.5rem;
    --card-border-radius: 3.125rem;
}
    
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Syne', 'Inter', sans-serif;
  background-color: var(--bg-body);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

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

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

button {
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 3rem;
  line-height: 1.2;
  text-transform: uppercase;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.875rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

.section__title {
  font-size: 2.4rem;
  line-height: 1.2;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.section__title--medium {
  font-size: 2.25rem;
}

.section__title--smaller {
  font-size: 2.1rem;
}

.section__meta {
  font-size: 1.25rem;
  line-height: 1.5;
  text-align: right;
  margin-top: -3.5rem;
  margin-bottom: 2rem;
}

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

section {
  margin-bottom: var(--section-spacing);
  padding-top: var(--section-spacing);
}

.header {
  padding: 5% 0;
}

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

.button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  background: var(--primary-gradient);
  color: var(--text);
  font-weight: 500;
  font-size: 1.5625rem;
  line-height: 1.2;
  padding: 1.25rem 3.125rem;
  border-radius: 6.25rem;
  transition: opacity 0.3s ease;
}

.button:hover,
.button:focus {
  opacity: 0.9;
}

.hero {
  padding-top: 0;
}

.hero__card {
  background-color: var(--bg-card);
  border-radius: var(--card-border-radius);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.hero__union {
  position: absolute;
  width: 100%;
  height: 100%;
  right: 0;
  top: 0;
  z-index: 1;
  pointer-events: none;
}

.hero__union img {
  position: absolute;
  width: 850px; 
  height: auto;
  right: -100px; 
  top: -50px;
  object-fit: contain;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.hero__title {
  font-size: 2.2rem;
  line-height: 1.2;
  max-width: 35rem;
  margin-bottom: 2rem;
}

.hero__description {
  font-size: 1.3rem;
  max-width: 35rem;
  margin-bottom: 3rem;
}

.hero__cta {
  display: inline-flex;
  width: auto;
}

.partners {
  padding: 3.5rem 0;
}

.partners__grid {
  display: flex;
  justify-content: center;
  gap: 15%;
}

.partners__logo {
  height: 3rem;
  width: auto;
}

.info__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.info__card {
  border-radius: var(--card-border-radius);
  padding: 2.5rem;
  color: var(--text);
}

.info__card--purple {
  background-color: var(--secondary);
}

.info__card--green {
  background-color: var(--primary);
  color: var(--text-dark);
}

.info__title {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.info__text {
  font-size: 1.5rem;
  line-height: 1.25;
}

.agenda__card {
  background-color: var(--bg-card-dark);
  border-radius: var(--card-border-radius);
  padding: 3.5rem 2.5rem;
}

.agenda__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 10%;
}

.agenda__item:last-child {
  margin-bottom: 0;
}

.agenda__time {
  font-weight: 700;
  font-size: 2.1875rem;
  line-height: 1.2;
}

.agenda__description {
  font-weight: 700;
  font-size: 2.1875rem;
  line-height: 1.2;
}

.speakers__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.625rem, 1fr));
  gap: 1rem;
}

.speakers__card {
  border-radius: var(--card-border-radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.speakers__image {
    width: 100%;
    height: 28.25rem;
    border-radius: var(--card-border-radius);
    position: relative;
    overflow: hidden;
    padding: 0;
  }
  
  .speakers__image-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    filter: blur(20px) grayscale(100%);
  }
  
  .speakers__text-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background-color: rgba(255, 255, 255, 0.85);
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1rem;
  }
  
  .speakers__name {
    font-weight: 600;
    font-size: 1.875rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    text-align: center;
  }
  
  .speakers__image--gray {
    background-color: var(--bg-card-light);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
  }
  
  .speakers__image--gray .speakers__name {
    position: relative;
    z-index: 2;
  }

.for-whom__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.for-whom__card {
  background-color: var(--bg-card-dark);
  border-radius: var(--card-border-radius);
  padding: 1.8125rem 3.1875rem;
  position: relative;
  overflow: hidden;
  min-height: 18.0625rem;
}

.for-whom__text {
  font-size: 2rem;
  line-height: 3.3125rem;
  font-weight: 400;
  max-width: 70%;
  position: relative;
  z-index: 2;
}

.for-whom__number {
  position: absolute;
  right: 1.25rem;
  top: 2.5rem;
  font-size: 18.75rem;
  line-height: 1.2;
  background: var(--number-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  z-index: 1;
}

.previous {
  position: relative;
  padding-bottom: 3rem;
}

.previous__controls {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.previous__button {
  width: 4.625rem;
  height: 4.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
  cursor: pointer;
  z-index: 10;
}

.previous__button--prev {
  background-color: transparent;
  border: 1px solid var(--text);
}

.previous__button--next {
  background-color: var(--bg-card-light);
}

.previous__carousel {
  width: 100%;
  overflow: hidden;
  margin: 0 auto;
  position: relative;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.previous__carousel::-webkit-scrollbar {
  display: none;
}

.previous__track {
  display: flex;
  transition: transform 0.4s ease;
  gap: 2rem;
}

.previous__slide {
    flex: 0 0 100%;
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.previous__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2rem;
  aspect-ratio: 1.7/1;
}

.register__card {
  background-color: var(--bg-card-dark);
  border-radius: var(--card-border-radius);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  min-height: 27.625rem;
}

.register__sunburst {
  position: absolute;
  bottom: 0px;
  left: 0;
  display: flex;
  justify-content: center;
  width: 100%;
  opacity: 0.35;
  z-index: 1;
}

.register__countdown {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 3rem;
  font-size: 7.5rem;
  letter-spacing: 0.16em;
}

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

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

.register__button {
  margin-top: 2.5rem;
}

.faq__items {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.faq__item {
  border-radius: 1.5625rem;
  background-color: var(--bg-card-dark);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem 2.5rem;
  font-weight: 500;
  font-size: 2.175rem;
  text-align: left;
}

.faq__arrow {
  transition: transform 0.3s ease;
}

.faq__question[aria-expanded="true"] .faq__arrow {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 2.5rem 1.75rem;
  font-size: 1.5rem;
  display: none;
}

.faq__question[aria-expanded="true"] + .faq__answer {
  display: block;
}

.map__container {
  border-radius: var(--card-border-radius);
  overflow: hidden;
}

.map__image {
  width: 100%;
  display: block;
}

.footer {
  padding: 5rem 0;
  margin-top: 3rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  background-color: var(--bg-card-light);
  border-radius: var(--card-border-radius);
}

.footer__info {
  color: var(--text-dark);
  padding: 4rem 3rem;
}

.footer__logo {
  margin-bottom: 2rem;
}

.footer__nav {
  display: flex;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer__nav-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer__link {
  font-size: 1.25rem;
  transition: opacity 0.3s ease;
}

.footer__link:hover {
  opacity: 0.7;
}

.footer__copyright {
  color: var(--text-muted);
  font-size: 1.25rem;
}

.footer__subscribe {
  background-color: var(--secondary);
  border-radius: var(--card-border-radius);
  padding: 4rem 3rem;
}

.footer__heading {
  text-transform: uppercase;
  font-size: 1.625rem;
  margin-bottom: 1.25rem;
}

.footer__label {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.footer__form {
  position: relative;
  margin-bottom: 3rem;
}

.footer__input {
  width: 100%;
  padding-bottom: 0.5rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--text);
  color: var(--text);
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.footer__button {
  background-color: var(--text);
  color: var(--text-dark);
  border-radius: 6.25rem;
  padding: 1rem 3rem;
  font-size: 1.25rem;
  font-weight: 500;
}

.footer__social-icons {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
}

.footer__social-link {
  transition: opacity 0.3s ease;
}

.footer__social-link:hover {
  opacity: 0.7;
}

@media (max-width: 768px) {
  .hero__meta {
    flex-direction: column;
  }
  
  .hero__union img {
    right: -250px;
    width: 550px;
  }
}

@media (min-width: 768px) {
  .section__title {
    font-size: 5rem; 
  }
  
  .agenda__item {
    grid-template-columns: 1fr 2fr;
  }
}

@media (max-width: 1023px) {
  .previous__slide {
    opacity: 0;
    display: none;
    padding: 0 5%;
    transition: opacity 0.3s ease;
  }
  
  .previous__slide--active {
    opacity: 1;
    display: block;
  }
  
  .previous__image {
    border-radius: 1.5rem;
  }
}

@media (max-width: 1024px) {
  .container {
    --container-max-width: 100vw;
  }
  
  .header {
    padding: 10% 0;
  }
  
  .info__text {
    font-size: 1.25rem;
  }
  
  .agenda__time {
    font-size: 1.5rem;
  }
  
  .agenda__description {
    font-size: 1.5rem;
  }
  
  .for-whom__text {
    font-size: 1.75rem;
  }
  
  .faq__question {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .hero__card {
    padding: 4rem;
    height: 47.1875rem;
  }
  
  .hero__meta {
    margin-bottom: 6rem;
    font-size: 1.375rem;
  }
  
  .hero__title {
    font-size: 2.75rem;
    line-height: 5.9375rem;
    max-width: 80rem;
  }
  
  .hero__description {
    font-size: 1.5rem;
    max-width: 58rem;
  }
  
  .hero__cta {
    margin-top: 2rem;
  }
  
  .speakers__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
  
  .info__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
  
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }
  
  .previous__carousel {
    overflow-x: auto;
  }
  
  .previous__track {
    width: max-content;
    padding: 0.5rem;
    gap: 1.5rem;
  }
  
  .previous__slide {
    min-width: 368px;
    width: 368px;
    flex: 0 0 368px;
    padding: 0;
    opacity: 1;
    display: block;
  }
  
  .previous__image {
    height: 368px;
    aspect-ratio: auto;
  }

  .for-whom__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 1200px) {
   .section__title {
    font-size: 2.4rem !important;
   }

  .hero__union img {
    right: -200px;
    width: 650px;
  }
  
  .partners {
    padding: 0;
    padding-top: var(--section-spacing);
  }
}

@media (max-width: 1250px) {
  .partners__grid {
    flex-direction: column;
    align-items: center;
    gap: 50px;
    margin: 0 25px;
  }
}

@media (min-width: 1324px) {
  :root {
    --container-padding: 6.25rem;
    --section-spacing: 5rem;
  }
  
  .hero__card {
    padding: 4rem;
    height: 47.1875rem;
  }
  
  .hero__meta {
    margin-bottom: 6rem;
    font-size: 1.375rem;
  }
  
  .hero__title {
    font-size: 4.9375rem;
    line-height: 5.9375rem;
    max-width: 80rem;
  }
  
  .hero__description {
    font-size: 1.5rem;
    max-width: 58rem;
  }
  
  .hero__cta {
    margin-top: 2rem;
  }
  
  .info__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
  
  .speakers__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
  
  .for-whom__card {
    min-height: 18.0625rem;
  }
  
  .previous__image {
    max-width: 23rem;
  }
  
  .previous__track {
    justify-content: center;
    gap: 2rem;
  }
  
  .previous__slide {
    min-width: auto;
  }
  
  .countdown {
    font-size: 12.5rem; 
    letter-spacing: 0.16em;
    gap: 3.5rem;
    flex-direction: row;
  }
  
  .countdown__label {
    margin-top: -1.5rem;
  }
  
  .footer__info {
    border-radius: 3.125rem 0 0 3.125rem;
  }
}

@media (min-width: 1500px) {
  .hero__title {
    font-size: 3.5rem;
  }
}

@media (max-width: 1300px) {
  .section__title {
    font-size: 3rem;
  }
  
  .countdown {
    font-size: 7.5rem !important;
    flex-direction: column !important;
  }
  
  .section__meta {
    margin-top: 2rem;
    text-align: left;
  }
}

@media (max-width: 1400px) {
  .agenda__time {
    font-size: 1.5rem !important;
  }
  
  .agenda__description {
    font-size: 1.5rem !important;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-body: #000000;
    --bg-card: #1A1A1A;
    --text: #FFFFFF;
  }
}