* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--color-dim);
  background:
    radial-gradient(circle at 15% 10%, rgba(138, 205, 234, 0.36), transparent 28rem),
    radial-gradient(circle at 90% 12%, rgba(140, 72, 67, 0.16), transparent 24rem),
    linear-gradient(180deg, var(--color-lavender), #f8f2fb 52%, var(--color-lavender));
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--color-sky);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--color-ink);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding: clamp(72px, 9vw, 128px) 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  padding: 16px 0;
  transition: padding var(--transition-medium), background var(--transition-medium), box-shadow var(--transition-medium);
}

.site-header.is-scrolled {
  padding: 10px 0;
  background: rgba(237, 230, 242, 0.84);
  box-shadow: 0 10px 34px rgba(116, 109, 117, 0.14);
  backdrop-filter: blur(18px);
}

.navbar {
  width: var(--container);
  min-height: 64px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 12px 10px 16px;
  border: 1px solid rgba(255, 250, 247, 0.64);
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 247, 0.58);
  backdrop-filter: blur(22px);
  box-shadow: 0 16px 40px rgba(116, 109, 117, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1;
}

.brand-copy {
  display: grid;
  gap: 2px;
  padding: 8px 0;
}

.brand-copy small {
  color: var(--color-rose);
  font-size: 0.72rem;
  letter-spacing: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu a {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-weight: 700;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--color-rose);
  background: rgba(138, 205, 234, 0.2);
  transform: translateY(-1px);
}

.nav-menu .nav-cta {
  color: var(--color-white);
  background: var(--color-rose);
}

.nav-menu .nav-cta:hover,
.nav-menu .nav-cta:focus-visible {
  color: var(--color-white);
  background: var(--color-toffee);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: rgba(138, 205, 234, 0.24);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--color-ink);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-top: 128px;
  padding-bottom: 72px;
  overflow: hidden;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(237, 230, 242, 0.94) 0%, rgba(237, 230, 242, 0.72) 43%, rgba(63, 57, 65, 0.2) 100%),
    linear-gradient(180deg, rgba(237, 230, 242, 0.1), rgba(237, 230, 242, 0.92));
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.72fr);
  align-items: end;
  gap: clamp(28px, 5vw, 68px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-rose);
  font-size: 0.83rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-ink);
  line-height: 1.05;
}

h1 {
  max-width: 720px;
  margin-bottom: 12px;
  font-size: clamp(4rem, 11vw, 9.4rem);
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.hero-subtitle {
  max-width: 680px;
  margin-bottom: 16px;
  color: var(--color-rose);
  font-size: clamp(1.4rem, 3vw, 2.3rem);
  font-weight: 700;
  line-height: 1.18;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--color-ink);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions,
.feature-row,
.contact-details {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-rose), var(--color-toffee));
  box-shadow: 0 16px 30px rgba(140, 72, 67, 0.28);
}

.button-secondary {
  color: var(--color-ink);
  background: rgba(255, 250, 247, 0.72);
  border-color: rgba(116, 109, 117, 0.16);
}

.glass-panel {
  border: 1px solid rgba(255, 250, 247, 0.68);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(20px);
}

.hero-panel {
  padding: clamp(18px, 3vw, 28px);
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.countdown div,
.stat-card {
  min-width: 0;
  padding: 16px 10px;
  border: 1px solid rgba(116, 109, 117, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 250, 247, 0.66);
  text-align: center;
}

.countdown strong,
.stat-card strong {
  display: block;
  color: var(--color-ink);
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  line-height: 1;
}

.countdown span,
.stat-card span {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  font-weight: 700;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.split-layout,
.contact-grid,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.about-copy {
  color: var(--color-ink);
  font-size: 1.08rem;
}

.feature-row span,
.contact-details a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid rgba(116, 109, 117, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 250, 247, 0.6);
  color: var(--color-ink);
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(28px, 5vw, 52px);
}

.section-heading p {
  max-width: 620px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.event-card,
.prize-card,
.speaker-card,
.faq-item {
  position: relative;
  min-width: 0;
  border: 1px solid rgba(116, 109, 117, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 247, 0.66);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium), border-color var(--transition-medium);
}

.event-card:hover,
.prize-card:hover,
.speaker-card:hover,
.gallery-item:hover {
  transform: translateY(-7px);
  box-shadow: 0 24px 52px rgba(116, 109, 117, 0.2);
}

.event-card {
  display: flex;
  min-height: 270px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
}

.event-card span {
  color: var(--color-sky);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.event-card a {
  width: fit-content;
  color: var(--color-rose);
  font-weight: 700;
}

.timeline-section {
  background: linear-gradient(180deg, rgba(138, 205, 234, 0.16), rgba(255, 250, 247, 0.08));
}

.timeline {
  position: relative;
  display: grid;
  gap: 22px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 115px;
  width: 3px;
  background: linear-gradient(var(--color-sky), var(--color-rose), var(--color-toffee));
  border-radius: 999px;
  animation: pulseLine 3.4s ease-in-out infinite;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.timeline-item time {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  color: var(--color-white);
  background: var(--color-rose);
  border-radius: var(--radius-sm);
  font-weight: 700;
  box-shadow: 0 12px 26px rgba(140, 72, 67, 0.22);
}

.timeline-item div {
  padding: 24px;
  border: 1px solid rgba(116, 109, 117, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 247, 0.68);
  box-shadow: var(--shadow-card);
}

.prize-card {
  padding: 26px;
  overflow: hidden;
}

.prize-card small {
  color: var(--color-rose);
  font-weight: 700;
  text-transform: uppercase;
}

.prize-card strong {
  display: block;
  margin: 14px 0;
  color: var(--color-ink);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.featured-prize {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-rose), var(--color-toffee));
}

.featured-prize small,
.featured-prize strong,
.featured-prize p {
  color: var(--color-white);
}

.speakers-section {
  background: rgba(255, 250, 247, 0.28);
}

.speaker-card {
  padding: 24px;
}

.speaker-card::before {
  content: "";
  display: block;
  width: 68px;
  height: 5px;
  margin-bottom: 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-sky), var(--color-rose), var(--color-toffee));
  box-shadow: 0 10px 24px rgba(140, 72, 67, 0.16);
}

.sponsors-section {
  padding: 72px 0;
  overflow: hidden;
}

.sponsors-section h2 {
  max-width: 820px;
}

.marquee {
  margin-top: 24px;
  border-block: 1px solid rgba(116, 109, 117, 0.12);
  background: rgba(255, 250, 247, 0.46);
  overflow: hidden;
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 18px;
  padding: 20px 0;
  animation: marqueeMove 24s linear infinite;
}

.marquee-track span {
  display: inline-flex;
  min-width: 180px;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(116, 109, 117, 0.12);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: rgba(255, 250, 247, 0.78);
  font-weight: 700;
  box-shadow: var(--shadow-card);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  grid-auto-rows: minmax(240px, 1fr);
  gap: 18px;
}

.gallery-item {
  position: relative;
  min-height: 240px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.gallery-large {
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform 520ms ease;
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.05);
}

.gallery-item span {
  position: absolute;
  right: 14px;
  bottom: 14px;
  max-width: calc(100% - 28px);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-white);
  background: rgba(63, 57, 65, 0.72);
  backdrop-filter: blur(12px);
  font-weight: 700;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  gap: 14px;
  padding: 24px;
  background: rgba(63, 57, 65, 0.82);
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-height: min(74vh, 760px);
  width: min(100%, 1080px);
  border-radius: var(--radius-md);
  object-fit: contain;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

.lightbox p {
  margin: 0;
  color: var(--color-white);
  font-weight: 700;
}

.lightbox-close {
  justify-self: end;
  width: fit-content;
  padding: 10px 14px;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: var(--color-white);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border: 0;
  color: var(--color-ink);
  background: transparent;
  text-align: left;
  font-weight: 700;
}

.faq-item button::after {
  content: "";
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-right: 3px solid var(--color-rose);
  border-bottom: 3px solid var(--color-rose);
  transform: rotate(45deg);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.faq-item button:hover::after,
.faq-item button:focus-visible::after {
  border-color: var(--color-toffee);
}

.faq-item button[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.faq-answer {
  padding: 0 20px 18px;
}

.faq-answer p {
  margin-bottom: 0;
}

.contact-section {
  background:
    linear-gradient(135deg, rgba(138, 205, 234, 0.18), rgba(140, 72, 67, 0.1)),
    rgba(255, 250, 247, 0.28);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 4vw, 32px);
}

.contact-form label,
.form-field {
  display: grid;
  gap: 7px;
  color: var(--color-ink);
  font-weight: 700;
}

.field-label {
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(116, 109, 117, 0.18);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--color-ink);
  background: rgba(255, 250, 247, 0.78);
  resize: vertical;
}

.custom-select {
  position: relative;
}

.custom-select-trigger {
  position: relative;
  width: 100%;
  min-height: 52px;
  padding: 12px 48px 12px 16px;
  border: 1px solid rgba(116, 109, 117, 0.18);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background:
    linear-gradient(135deg, rgba(138, 205, 234, 0.22), rgba(255, 250, 247, 0.82));
  box-shadow: inset 0 1px 0 rgba(255, 250, 247, 0.72), 0 10px 24px rgba(116, 109, 117, 0.08);
  text-align: left;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.custom-select-trigger::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-rose);
  border-bottom: 2px solid var(--color-rose);
  transform: translateY(-65%) rotate(45deg);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.custom-select-trigger:hover {
  border-color: rgba(140, 72, 67, 0.34);
}

.custom-select-trigger:focus-visible {
  border-color: var(--color-sky);
  background:
    linear-gradient(135deg, rgba(138, 205, 234, 0.32), rgba(255, 250, 247, 0.9));
}

.custom-select.is-open .custom-select-trigger {
  border-color: var(--color-sky);
  box-shadow: 0 0 0 4px rgba(138, 205, 234, 0.3), 0 16px 32px rgba(116, 109, 117, 0.12);
}

.custom-select.is-open .custom-select-trigger::after {
  border-color: var(--color-toffee);
  transform: translateY(-35%) rotate(-135deg);
}

.custom-select-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: 0;
  z-index: 20;
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid rgba(138, 205, 234, 0.72);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, rgba(237, 230, 242, 0.98), rgba(255, 250, 247, 0.96));
  box-shadow: 0 20px 42px rgba(116, 109, 117, 0.18);
  backdrop-filter: blur(18px);
}

.custom-select-menu[hidden] {
  display: none;
}

.custom-select-menu button {
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: transparent;
  text-align: left;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.custom-select-menu button:hover,
.custom-select-menu button:focus-visible {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-rose), var(--color-toffee));
  transform: translateX(2px);
}

.custom-select-menu button[aria-selected="true"] {
  color: var(--color-ink);
  background: rgba(138, 205, 234, 0.34);
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--color-rose);
  font-weight: 700;
}

.site-footer {
  padding: 36px 0;
  color: var(--color-ink);
  background: rgba(255, 250, 247, 0.64);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.footer-brand {
  margin-bottom: 12px;
}

.footer-grid p {
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.footer-links a {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-rose);
  background: rgba(138, 205, 234, 0.2);
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: grid;
    padding: 12px;
    border: 1px solid rgba(255, 250, 247, 0.66);
    border-radius: var(--radius-lg);
    background: rgba(255, 250, 247, 0.94);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
  }

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

  .navbar {
    position: relative;
  }

  .hero-grid,
  .split-layout,
  .contact-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-panel {
    max-width: 620px;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .gallery-large {
    grid-column: span 2;
  }

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

  .footer-links {
    justify-content: flex-start;
  }

}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .section {
    padding: 64px 0;
  }

  .site-header {
    padding: 10px 0;
  }

  .navbar {
    min-height: 58px;
  }

  .hero {
    padding-top: 112px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(237, 230, 242, 0.94) 0%, rgba(237, 230, 242, 0.84) 54%, rgba(237, 230, 242, 0.95) 100%);
  }

  h1 {
    font-size: clamp(3.2rem, 19vw, 5.8rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

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

  .card-grid,
  .gallery-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .gallery-large {
    grid-column: auto;
    grid-row: auto;
  }

  .timeline::before {
    left: 18px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-left: 42px;
  }

  .timeline-item time {
    width: fit-content;
    padding: 0 16px;
  }

  .marquee-track {
    animation-duration: 18s;
  }
}