:root {
  --color-primary: #c8102e;
  --color-primary-dark: #92001c;
  --color-dark: #151515;
  --color-muted: #656565;
  --color-light: #f5f5f3;
  --color-white: #ffffff;
  --border: #ddddda;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.1);
  --radius: 22px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-dark);
  background: var(--color-white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

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

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

button {
  cursor: pointer;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 14px;
  color: var(--color-white);
  background: var(--color-dark);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.topbar {
  color: var(--color-white);
  background: var(--color-dark);
  font-size: 0.88rem;
}

.topbar__inner {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  padding-block: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 850;
  line-height: 1.1;
}

.brand img {
  xwidth: 54px;
  height: 54px;
}

.brand small {
  display: block;
  margin-top: 5px;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav a {
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--color-primary);
}

.nav__cta {
  padding: 10px 16px;
  color: var(--color-white) !important;
  background: var(--color-primary);
  border-radius: 999px;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  color: var(--color-dark);
  background: var(--color-light);
  border-radius: 50%;
  font-size: 1.4rem;
}

.hero {
  overflow: hidden;
  padding: 76px 0;
  color: var(--color-white);
  background:
    radial-gradient(circle at 82% 22%, rgba(255, 255, 255, 0.15), transparent 24%),
    linear-gradient(135deg, #8c001a, var(--color-primary) 56%, #ef334e);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 56px;
}

.hero h1,
.page-hero h1 {
  max-width: 830px;
  margin: 14px 0 22px;
  font-size: clamp(3.2rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.065em;
}

.hero p {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.22rem;
}

.eyebrow,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow,
.page-hero .eyebrow {
  color: rgba(255, 255, 255, 0.76);
}

.hero__panel {
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 38px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.55)),
    radial-gradient(circle at 72% 24%, rgba(255, 255, 255, 0.26), transparent 28%),
    #171717;
  border-radius: 32px;
  box-shadow: var(--shadow);
}

.hero__panel h2 {
  max-width: 450px;
  margin: 10px 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

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

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

.btn--outline {
  border-color: var(--border);
  background: transparent;
}

.section {
  padding: 92px 0;
}

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

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 36px;
}

.section-heading h2,
.content h2 {
  margin: 8px 0 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.section-heading p {
  max-width: 520px;
  margin: 0;
  color: var(--color-muted);
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

.card {
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--color-white);
  border-radius: var(--radius);
}

.card__visual {
  position: relative;
  min-height: 210px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 24px;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.card__visual--dark {
  background: linear-gradient(135deg, #111111, #434343);
}

.card__visual--mountain {
  background:
    linear-gradient(145deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.6)),
    linear-gradient(135deg, #5e7055, #172315);
}

.card__body {
  padding: 26px;
}

.card h3 {
  margin: 10px 0 12px;
  font-size: 1.45rem;
  line-height: 1.15;
}

.card p {
  margin: 0;
  color: var(--color-muted);
}

.date-badge {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  padding: 8px;
  color: var(--color-dark);
  background: var(--color-white);
  border-radius: 18px;
  line-height: 1;
}

.date-badge strong {
  font-size: 1.8rem;
}

.date-badge span {
  font-size: 0.68rem;
  font-weight: 900;
}

.icon-large {
  font-size: 3.4rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}

.panel {
  padding: 42px;
  color: var(--color-white);
  background: var(--color-dark);
  border-radius: 30px;
}

.panel h2 {
  margin: 12px 0 28px;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stat {
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 18px;
}

.stat strong,
.stat span {
  display: block;
}

.stat strong {
  font-size: 1.8rem;
}

.stat span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.8rem;
}

.sponsors {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.sponsor {
  min-height: 100px;
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid var(--border);
  background: var(--color-white);
  border-radius: 16px;
  font-weight: 850;
  text-align: center;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 42px;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 28px;
}

.cta h2 {
  margin: 8px 0 0;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.page-hero {
  padding: 84px 0;
  color: var(--color-white);
  background: linear-gradient(135deg, #171717, #313131);
}

.page-hero h1 {
  font-size: clamp(3.4rem, 7vw, 6rem);
}

.page-hero p {
  max-width: 740px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.15rem;
}

.content {
  max-width: 850px;
}

.content p,
.content li {
  color: var(--color-muted);
}

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

.list-clean li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.schedule {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
}

.schedule th,
.schedule td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.schedule th {
  background: var(--color-light);
}

.form {
  display: grid;
  gap: 18px;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form label {
  display: grid;
  gap: 8px;
  font-weight: 800;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--color-white);
  border-radius: 12px;
}

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

.notice {
  padding: 18px 20px;
  border-left: 4px solid var(--color-primary);
  background: #fff1f4;
  border-radius: 10px;
}

.cookie-banner {
  position: fixed;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 1200;
  display: flex;
  max-width: 900px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-inline: auto;
  padding: 18px;
  color: var(--color-white);
  background: var(--color-dark);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.cookie-banner[hidden] {
  display: none;
}

.footer {
  padding: 68px 0 28px;
  color: rgba(255, 255, 255, 0.72);
  background: var(--color-dark);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}

.footer h3,
.footer strong {
  color: var(--color-white);
}

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

.footer li + li {
  margin-top: 8px;
}

.footer__bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.86rem;
}

@media (max-width: 900px) {
  .topbar {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px 20px 22px;
    border-bottom: 1px solid var(--border);
    background: var(--color-white);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 13px 0;
  }

  .nav__cta {
    margin-top: 8px;
    text-align: center;
  }

  .hero__grid,
  .split,
  .grid--3,
  .grid--2,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__panel {
    min-height: 360px;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .hero,
  .page-hero,
  .section {
    padding-block: 62px;
  }

  .section-heading,
  .cta,
  .cookie-banner {
    align-items: stretch;
    flex-direction: column;
  }

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

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

  .hero__panel,
  .panel,
  .cta {
    padding: 28px;
  }

  .schedule {
    display: block;
    overflow-x: auto;
  }
}