:root {
  --navy: #163a7a;
  --navy-deep: #0d2a5f;
  --sky: #5da4da;
  --red: #cc1f2f;
  --gold: #c98f2b;
  --sand: #f4f0ea;
  --mist: #eaf2fb;
  --ink: #1b2433;
  --muted: #3d4f67;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(13, 42, 95, 0.16);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 12%, rgba(93, 164, 218, 0.2), transparent 32%),
    radial-gradient(circle at 88% 18%, rgba(201, 143, 43, 0.18), transparent 24%),
    linear-gradient(180deg, #f8f7f5 0%, #ffffff 46%, #eef5fc 100%);
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 10px;
  z-index: 999;
  background: var(--navy-deep);
  color: var(--white);
  padding: 10px 14px;
  border-radius: 10px;
}

.skip-link:focus {
  left: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(13, 42, 95, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: clamp(170px, 24vw, 250px);
  height: auto;
  border-radius: 10px;
  object-fit: contain;
  border: 2px solid rgba(93, 164, 218, 0.35);
  box-shadow: 0 10px 24px rgba(13, 42, 95, 0.16);
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong,
h1,
h2,
h3,
h4 {
  font-family: "Montserrat", sans-serif;
}

.brand-copy strong {
  color: var(--navy-deep);
  font-size: 1.1rem;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.9rem;
}

.main-nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 18px;
  font-weight: 600;
  color: var(--navy-deep);
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.main-nav a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  white-space: nowrap;
}

.main-nav a.active {
  color: var(--red);
}

.hero-sponsors {
  position: relative;
  padding: 74px 0 48px;
}

.hero-shell {
  border-radius: var(--radius-lg);
  overflow: clip;
  box-shadow: var(--shadow);
  border: 1px solid rgba(13, 42, 95, 0.15);
  background: linear-gradient(110deg, rgba(13, 42, 95, 0.95) 0%, rgba(19, 88, 146, 0.92) 48%, rgba(201, 143, 43, 0.9) 100%);
  color: var(--white);
  padding: clamp(24px, 5vw, 44px);
}

.kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  font-size: 0.88rem;
  color: #ffdf9d;
}

.hero-sponsors h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.05;
}

.hero-sponsors p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.94);
  max-width: 74ch;
}

.pricing-bands {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.pricing-card {
  border-radius: var(--radius-md);
  padding: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.pricing-card strong {
  display: block;
  font-size: 1.15rem;
}

.pricing-card span {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
}

.info-program {
  padding: 24px 0 8px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
}

.info-box {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(13, 42, 95, 0.14);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow);
}

.info-box h2,
.info-box h3 {
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--navy-deep);
}

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

.info-box ul {
  margin: 0;
  padding-left: 18px;
}

.badge-exclusive {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(204, 31, 47, 0.1);
  border: 1px solid rgba(204, 31, 47, 0.35);
  color: #7a0f1b;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.sponsor-tabs {
  padding: 34px 0 84px;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tab-button {
  border: 1px solid rgba(13, 42, 95, 0.24);
  background: #ffffff;
  color: var(--navy-deep);
  border-radius: 999px;
  padding: 9px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

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

.tab-button[aria-selected="true"] {
  background: var(--navy-deep);
  color: #ffffff;
  border-color: var(--navy-deep);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

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

.sponsor-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(13, 42, 95, 0.15);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.sponsor-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #d8e6f6;
}

.sponsor-media img {
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.sponsor-card:hover .sponsor-media img {
  transform: scale(1.04);
}

.sponsor-body {
  padding: 16px;
}

.sponsor-level {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sponsor-level.destacado {
  background: rgba(201, 143, 43, 0.2);
  color: #6f4a0c;
}

.sponsor-level.oficial {
  background: rgba(93, 164, 218, 0.22);
  color: #18456d;
}

.sponsor-card h3 {
  margin: 0 0 8px;
  color: var(--navy-deep);
  font-size: 1.2rem;
}

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

.sponsor-meta {
  margin-top: 10px;
  display: grid;
  gap: 4px;
  color: #21425f;
  font-size: 0.95rem;
}

.sponsor-link {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(13, 42, 95, 0.22);
  color: var(--navy-deep);
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease;
  padding: 5px 10px;
}

.sponsor-link:hover {
  transform: translateY(-1px);
  background: rgba(93, 164, 218, 0.14);
}

.sponsor-card.destacado {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
}

.sponsor-card.destacado .sponsor-media {
  aspect-ratio: auto;
  min-height: 220px;
}

.sponsor-card.placeholder {
  border-style: dashed;
  border-width: 2px;
  background:
    repeating-linear-gradient(135deg, rgba(93, 164, 218, 0.1), rgba(93, 164, 218, 0.1) 12px, rgba(244, 240, 234, 0.9) 12px, rgba(244, 240, 234, 0.9) 24px);
}

.cta-wrap {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(130deg, rgba(13, 42, 95, 0.1), rgba(201, 143, 43, 0.2));
  border: 1px solid rgba(13, 42, 95, 0.18);
}

.cta-wrap h3 {
  margin: 0 0 8px;
  color: var(--navy-deep);
}

.cta-wrap p {
  margin: 0 0 12px;
  color: #1f4869;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: #ffffff;
  font-weight: 700;
  background: var(--red);
  box-shadow: 0 10px 24px rgba(204, 31, 47, 0.3);
}

.page-footer {
  padding: 0 0 44px;
}

.link-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--navy);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition: color 180ms ease, text-decoration-color 180ms ease, transform 180ms ease;
}

.link-top:hover {
  color: var(--navy-deep);
  text-decoration-color: currentColor;
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 1020px) {
  .sponsor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .sponsor-card.destacado .sponsor-media {
    min-height: 180px;
  }

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

@media (max-width: 760px) {
  .header-inner {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .main-nav {
    justify-content: flex-start;
    width: 100%;
    gap: 10px;
    font-size: 0.95rem;
    padding-bottom: 4px;
  }

  .pricing-bands,
  .sponsor-grid {
    grid-template-columns: 1fr;
  }

  .container {
    width: min(100% - 24px, 1120px);
  }

  .hero-sponsors {
    padding-top: 54px;
  }
}