:root {
  --bg: #edf3f8;
  --bg-soft: #dfeaf5;
  --card: #f7fafc;
  --card-strong: #e6eff7;
  --dark: #163861;
  --blue: #1d5a94;
  --blue-mid: #1f6aa8;
  --blue-strong: #0e3f73;
  --blue-soft: #6b8eb5;
  --accent-light: #00aeef;
  --accent: #007fc4;
  --text: #1d2a32;
  --muted: #4a5d71;
  --line: rgba(13, 28, 41, 0.12);
  --shadow: 0 18px 40px rgba(13, 34, 57, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Open Sans", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(12, 46, 77, 0.97);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #f8f1e5;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: var(--blue-strong);
  font-family: "Oswald", Arial, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-kicker {
  font-size: 0.52rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.72;
}

.brand-text strong {
  font-family: "Oswald", Arial, sans-serif;
  font-size: clamp(1.15rem, 1vw + 0.75rem, 1.8rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  color: rgba(255,255,255,0.82);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.main-nav a {
  transition: color 0.15s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: #fff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  padding: 0.9rem 1.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: #fff;
  box-shadow: 0 10px 20px rgba(0, 127, 196, 0.24);
}

.button.secondary {
  border: 1px solid rgba(255,255,255,0.28);
  color: #fff;
  background: rgba(255,255,255,0.03);
}

.hero {
  position: relative;
  background:
    linear-gradient(90deg, rgba(15, 62, 112, 0.88), rgba(34, 115, 190, 0.75)),
    url("https://images.unsplash.com/photo-1517836357463-d25dfeac3438?auto=format&fit=crop&w=1500&q=80") center/cover no-repeat;
  padding: clamp(4rem, 7vw, 7.5rem) 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.1), rgba(0,0,0,0));
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 28px;
  align-items: end;
}

.hero-copy {
  max-width: 720px;
  color: #fff;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent-light);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}

.eyebrow.dark {
  color: var(--blue-soft);
}

.hero-copy h1,
.section-heading h2,
.route-copy h2 {
  margin: 0;
  font-family: "Oswald", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.9;
  color: #fff;
}

.lede {
  margin-top: 1rem;
  max-width: 560px;
  color: rgba(255,255,255,0.88);
  font-size: 1.08rem;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-card {
  background: rgba(0, 57, 111, 0.9);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 16px;
  padding: 1.8rem 1.5rem 1.4rem;
  box-shadow: var(--shadow);
  color: #fff;
}

.card-tag {
  margin: 0 0 0.6rem;
  color: var(--accent-light);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-card h2 {
  margin: 0 0 1rem;
  font-family: "Oswald", Arial, sans-serif;
  font-size: clamp(1.7rem, 2vw, 2.4rem);
  text-transform: uppercase;
  line-height: 1.1;
  color: #fff;
}

.hero-card ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
  color: rgba(255,255,255,0.92);
}

.hero-card li {
  position: relative;
  padding-left: 1rem;
}

.hero-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-light);
}

.sponsor-row {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.sponsor-row span {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: #fff;
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section {
  padding: clamp(4rem, 6vw, 6.5rem) 0;
}

.intro-strip {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mini-grid strong {
  font-size: 1.08rem;
  color: var(--blue-strong);
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading h2,
.route-copy h2 {
  color: var(--blue-strong);
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.08;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.gallery-card {
  min-height: 210px;
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(12, 46, 77, 0.12), rgba(12, 46, 77, 0.22)),
    url("https://images.unsplash.com/photo-1552674605-db6ffd4facb5?auto=format&fit=crop&w=900&q=80") center/cover no-repeat;
  box-shadow: var(--shadow);
}

.gallery-card.tall {
  min-height: 320px;
  grid-row: span 2;
}

.gallery-card.wide {
  grid-column: span 2;
}

.route-section {
  background: #edf4fb;
}

.route-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 36px;
  align-items: center;
}

.route-copy p,
.route-copy li,
.news-item p {
  font-size: 1rem;
  color: var(--muted);
}

.route-copy ul {
  margin: 1.25rem 0 0;
  padding-left: 1.2rem;
}

.route-map {
  padding: 0.5rem;
}

.map-surface {
  position: relative;
  height: 420px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(12, 46, 77, 0.8), rgba(23, 98, 170, 0.72)),
    url("https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=1000&q=80") center/cover no-repeat;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.path {
  position: absolute;
  display: block;
  border: 5px solid rgba(0, 174, 239, 0.9);
  border-color: rgba(0, 174, 239, 0.9) transparent transparent transparent;
  border-radius: 50% 50% 0 0;
}

.path-1 {
  width: 230px;
  height: 180px;
  left: 60px;
  top: 110px;
  transform: rotate(-18deg);
}

.path-2 {
  width: 260px;
  height: 200px;
  left: 170px;
  top: 80px;
  transform: rotate(20deg);
}

.path-3 {
  width: 250px;
  height: 180px;
  left: 260px;
  top: 170px;
  transform: rotate(-10deg);
}

.pin {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  padding: 0.45rem 0.7rem;
  background: rgba(10, 46, 77, 0.88);
  border: 1px solid rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pin.start {
  left: 42px;
  top: 70px;
}

.pin.finish {
  right: 38px;
  bottom: 44px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.news-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem 1.35rem;
  box-shadow: 0 14px 24px rgba(17, 31, 25, 0.05);
}

.news-date {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--blue-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.news-item h3 {
  margin: 0 0 0.8rem;
  color: var(--blue-strong);
  font-family: "Oswald", Arial, sans-serif;
  font-size: clamp(1.45rem, 1.8vw, 2rem);
  line-height: 1.15;
  text-transform: uppercase;
}

.news-item a {
  display: inline-block;
  margin-top: 0.8rem;
  color: var(--blue-strong);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  box-shadow: 0 8px 18px rgba(17, 31, 25, 0.03);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--blue-strong);
}

.faq-list p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.sponsors-section {
  background: linear-gradient(180deg, #edf4fb, #dfeaf5);
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.sponsor-grid div {
  display: grid;
  place-items: center;
  min-height: 110px;
  background: rgba(255,255,255,0.42);
  border: 1px solid rgba(13, 29, 23, 0.08);
  color: var(--blue-strong);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.team-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 22px rgba(17, 31, 25, 0.04);
}

.team-photo {
  height: 260px;
  background-size: cover;
  background-position: center;
}

.photo-one {
  background-image: url("https://images.unsplash.com/photo-1500648767791-00dcc994a43e?auto=format&fit=crop&w=900&q=80");
}

.photo-two {
  background-image: url("https://images.unsplash.com/photo-1506794778202-cad84cf45f1d?auto=format&fit=crop&w=900&q=80");
}

.photo-three {
  background-image: url("https://images.unsplash.com/photo-1494790108377-be9c29b29330?auto=format&fit=crop&w=900&q=80");
}

.team-card h3 {
  margin: 1rem 1rem 0.2rem;
  color: var(--blue-strong);
  font-family: "Oswald", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.team-card p {
  margin: 0 1rem 1.2rem;
  color: var(--muted);
}

.site-footer {
  background: var(--blue-strong);
  color: rgba(255,255,255,0.82);
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 24px;
}

.site-footer h3 {
  margin-bottom: 0.8rem;
  color: #fff;
  font-family: "Oswald", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer p,
.site-footer li,
.site-footer a {
  margin: 0.18rem 0;
  color: rgba(255,255,255,0.8);
}

.site-footer ul {
  margin: 0;
  padding-left: 1rem;
}

@media (max-width: 980px) {
  .topbar {
    flex-wrap: wrap;
    padding: 1rem 0;
  }

  .main-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero-inner,
  .route-grid,
  .news-grid,
  .team-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .mini-grid,
  .gallery-grid,
  .sponsor-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-copy h1 {
    line-height: 1;
  }
}