* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f6f7f8;
  color: #171717;
}

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

.site-header {
  height: 74px;
  padding: 0 clamp(16px, 4vw, 54px);
  display: flex;
  align-items: center;
  gap: 28px;
  background: #050809;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 6px 18px rgba(0,0,0,.28);
}

.logo {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 900;
  letter-spacing: -1.5px;
  white-space: nowrap;
  margin-right: auto;
}

.logo span,
.footer span,
.hero h1 span {
  color: #46b63e;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
}

.nav-link {
  position: relative;
  padding: 28px 0 24px;
  font-size: 15px;
  font-weight: 800;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 4px;
  border-radius: 99px;
  background: #46b63e;
  transition: width .25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn,
.search-btn,
.sponsor-btn {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

.btn:hover,
.search-btn:hover,
.sponsor-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(0,0,0,.24);
}

.search-btn {
  background: transparent;
  color: #fff;
  font-size: 30px;
  line-height: 1;
}

.btn-outline {
  padding: 11px 20px;
  color: #fff;
  background: transparent;
  border: 2px solid rgba(255,255,255,.7);
}

.btn-green {
  padding: 13px 24px;
  color: #fff;
  background: #46b63e;
}

.btn-green:hover {
  background: #3ca735;
}

.btn-glass {
  color: #fff;
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.6);
  backdrop-filter: blur(8px);
}

.btn-large {
  padding: 16px 28px;
  font-size: 16px;
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 30px;
  height: 3px;
  margin: 6px auto;
  border-radius: 99px;
  background: #fff;
  transition: transform .25s ease, opacity .25s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.hero {
  min-height: clamp(470px, 58vw, 660px);
  background: url("../assets/hero.jpg") center / cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.39) 42%, rgba(0,0,0,.04)),
    linear-gradient(0deg, rgba(0,0,0,.25), transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 660px;
  margin-left: clamp(22px, 6vw, 88px);
  color: #fff;
  animation: fadeUp .8s ease both;
}

.hero h1 {
  margin: 0 0 18px;
  max-width: 560px;
  font-size: clamp(46px, 7vw, 76px);
  line-height: 1.03;
  font-weight: 900;
  letter-spacing: -2.4px;
}

.hero h1 span {
  display: block;
}

.hero p {
  margin: 0 0 30px;
  max-width: 540px;
  font-size: clamp(17px, 2vw, 23px);
  line-height: 1.5;
  text-shadow: 0 2px 8px rgba(0,0,0,.45);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.quick-tabs {
  background: #fff;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  padding: 24px clamp(18px, 6vw, 86px);
  border-bottom: 1px solid #ddd;
  box-shadow: 0 5px 18px rgba(0,0,0,.04);
}

.quick-tab {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

.quick-tab:hover {
  transform: translateY(-8px);
  background: #f3fff2;
  box-shadow: 0 17px 30px rgba(70,182,62,.15);
}

.quick-tab span {
  font-size: 32px;
}

.quick-tab strong {
  display: block;
  margin-bottom: 5px;
  font-size: 17px;
}

.quick-tab small {
  color: #5e6266;
  line-height: 1.35;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .7fr) minmax(300px, .8fr);
  gap: 28px;
  padding: 34px clamp(18px, 5vw, 76px) 64px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(22px, 2vw, 28px);
}

.section-header a {
  color: #258a25;
  font-weight: 900;
}

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

.card,
.event-card,
.sponsor-card {
  overflow: hidden;
  border: 1px solid #ddd;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(0,0,0,.06);
  transition: transform .25s ease, box-shadow .25s ease;
}

.card:hover,
.event-card:hover,
.sponsor-card:hover {
  transform: translateY(-12px) scale(1.015);
  box-shadow: 0 24px 42px rgba(0,0,0,.18);
}

.card-image {
  height: clamp(145px, 13vw, 200px);
  background-size: cover;
  background-repeat: no-repeat;
  transition: transform .45s ease;
}

.card:hover .card-image {
  transform: scale(1.1);
}

.route-one {
  background-image: url("../assets/route-1.jpg");
  background-position: left center;
}

.route-two {
  background-image: url("../assets/route-2.jpg");
  background-position: center;
}

.route-three {
  background-image: url("../assets/route-3.jpg");
  background-position: right center;
}

.badge {
  position: relative;
  z-index: 2;
  display: inline-block;
  margin: -20px 0 0 14px;
  padding: 8px 12px;
  border-radius: 4px;
  color: #fff;
  background: #46b63e;
  font-size: 12px;
  font-weight: 900;
}

.card-body {
  padding: 12px 16px 20px;
}

.card h3,
.event-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.card p,
.event-card p {
  margin: 0;
  color: #666;
}

.sponsor-card {
  min-height: 235px;
  padding: 28px 24px;
  background:
    radial-gradient(circle at 80% 55%, rgba(255,255,255,.17), transparent 24%),
    linear-gradient(135deg, #151515, #000);
  color: #fff;
}

.sponsor-card p {
  margin: 0 0 8px;
  color: #46b63e;
  font-size: 20px;
  font-weight: 900;
}

.sponsor-card h3 {
  margin: 0 0 10px;
  font-size: 32px;
}

.sponsor-card em {
  display: block;
  margin-bottom: 24px;
  color: #7bdc67;
  font-size: 18px;
  font-style: italic;
  font-weight: 700;
}

.sponsor-btn {
  padding: 11px 18px;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255,255,255,.8);
}

.event-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  padding: 12px;
  margin-bottom: 14px;
}

.event-image {
  min-height: 94px;
  border-radius: 9px;
  background-size: cover;
  background-repeat: no-repeat;
}

.event-one {
  background-image: url("../assets/event-1.jpg");
  background-position: center;
}

.event-two {
  background-image: url("../assets/event-2.jpg");
  background-position: right center;
}

.event-card h3 {
  font-size: 16px;
  margin-top: 4px;
}

.event-card small {
  display: block;
  margin-top: 6px;
  color: #666;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 6vw, 86px);
  background: #050809;
  color: #fff;
}

.footer h3 {
  margin: 0 0 8px;
  font-size: 30px;
}

.footer p {
  margin: 0;
  color: #cfcfcf;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .55s ease, transform .55s ease, box-shadow .25s ease;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(34px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .content-layout {
    grid-template-columns: 1fr 1fr;
  }

  .featured {
    grid-column: 1 / -1;
  }

  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .quick-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .site-header {
    height: auto;
    min-height: 74px;
    flex-wrap: wrap;
    padding-top: 14px;
    padding-bottom: 14px;
    gap: 0;
  }

  .logo {
    order: 1;
    margin-right: 0;
  }

  .hamburger {
    order: 2;
    display: block;
    margin-left: auto;
  }

  .main-nav {
    order: 3;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 0 2px;
  }

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

  .header-actions {
    order: 4;
    display: none;
    width: 100%;
    justify-content: flex-start;
    padding: 10px 0 4px;
  }

  .header-actions.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 14px 0;
  }

  .nav-link::after {
    bottom: 6px;
  }

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

  .content-layout {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 520px;
    align-items: flex-end;
    padding-bottom: 42px;
    background-position: center;
  }

  .hero-overlay {
    background: linear-gradient(0deg, rgba(0,0,0,.83), rgba(0,0,0,.26) 75%);
  }

  .hero-content {
    width: calc(100% - 36px);
    margin: 0 auto;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .quick-tabs,
  .cards {
    grid-template-columns: 1fr;
  }

  .content-layout {
    padding: 28px 18px 52px;
  }

  .event-card {
    grid-template-columns: 86px 1fr;
  }

  .header-actions.open {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions.open .btn,
  .header-actions.open .search-btn {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .logo {
    font-size: 26px;
  }

  .event-card {
    grid-template-columns: 1fr;
  }

  .event-image {
    min-height: 150px;
  }

  .quick-tab {
    grid-template-columns: 38px 1fr;
    padding: 14px;
  }

  .quick-tab span {
    font-size: 28px;
  }
}