:root {
  color-scheme: light;
  --ink: #0a1c2e;
  --muted: #587081;
  --line: #c9d7df;
  --paper: #f6fafb;
  --white: #ffffff;
  --navy: #003b73;
  --blue: #0077a8;
  --red: #ed1c24;
  --coral: #f06b45;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 64px);
  background: rgba(246, 250, 251, 0.92);
  border-bottom: 1px solid rgba(10, 28, 46, 0.08);
  backdrop-filter: blur(14px);
}

.brand img {
  width: 72px;
  height: 52px;
  object-fit: contain;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 750;
}

.top-nav a {
  text-decoration: none;
}

.top-nav a:hover {
  color: var(--navy);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 76px);
  padding: clamp(32px, 7vw, 86px) clamp(18px, 5vw, 80px) clamp(42px, 8vw, 96px);
  background:
    linear-gradient(135deg, rgba(0, 59, 115, 0.94), rgba(4, 112, 152, 0.84)),
    url("assets/mundobuceo-logo.png") center / 720px no-repeat;
  color: var(--white);
  overflow: hidden;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.6rem, 12vw, 8.6rem);
  line-height: 0.88;
  letter-spacing: 0;
}

.hero p:not(.eyebrow) {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
}

.hero-logo {
  align-self: end;
  padding-bottom: 22px;
}

.hero-logo img {
  width: min(100%, 500px);
  filter: drop-shadow(0 32px 34px rgba(0, 0, 0, 0.28));
}

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

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-points span {
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  font-weight: 750;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(237, 28, 36, 0.25);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.12);
  color: inherit;
  border-color: rgba(255, 255, 255, 0.34);
}

.button.light {
  background: var(--white);
  color: var(--navy);
  border-color: var(--line);
}

.section {
  padding: clamp(44px, 8vw, 92px) clamp(18px, 5vw, 80px);
}

.section-head {
  max-width: 780px;
}

.section-head > p:not(.eyebrow) {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.band {
  background: var(--white);
}

.category-grid,
.guide-grid,
.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.category-grid article,
.guide-grid article,
.assurance-grid article {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eef9fa);
}

.category-grid h3,
.guide-grid h3,
.assurance-grid h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 1.18rem;
}

.category-grid p,
.guide-grid p,
.assurance-grid p,
.service-copy p {
  margin: 0;
  color: var(--muted);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.product-showcase {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.45fr);
  gap: 16px;
  margin-top: 30px;
}

.showcase-hero {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eef9fa);
  box-shadow: 0 18px 38px rgba(0, 42, 70, 0.08);
  overflow: hidden;
}

.showcase-image {
  width: calc(100% + 48px);
  height: 280px;
  margin: -24px -24px 22px;
  object-fit: contain;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.showcase-hero h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1;
}

.showcase-hero p:not(.item-kicker) {
  margin: 0;
  color: var(--muted);
}

.showcase-hero a {
  margin-top: 24px;
  color: var(--red);
  font-weight: 850;
  text-decoration: none;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 228px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.product-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 119, 168, 0.42);
  box-shadow: 0 16px 30px rgba(0, 42, 70, 0.12);
}

.product-card img {
  width: 100%;
  height: 126px;
  object-fit: contain;
  margin-bottom: 12px;
}

.product-card span {
  color: var(--coral);
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
}

.product-card strong {
  display: block;
  margin-top: 5px;
  color: var(--navy);
  font-size: 0.98rem;
  line-height: 1.14;
}

.section-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.featured-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 430px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 38px rgba(0, 42, 70, 0.08);
  overflow: hidden;
}

.featured-item.accent {
  background: linear-gradient(135deg, #07365e, #0077a8);
  color: var(--white);
}

.product-image {
  width: calc(100% + 48px);
  height: 190px;
  margin: -24px -24px 22px;
  object-fit: contain;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.item-kicker {
  margin: 0 0 10px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.featured-item h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 1.45rem;
  line-height: 1.08;
}

.featured-item p:not(.item-kicker) {
  margin: 0;
  color: var(--muted);
}

.featured-item.accent h3,
.featured-item.accent p {
  color: var(--white);
}

.featured-item a {
  margin-top: 24px;
  color: var(--red);
  font-weight: 850;
  text-decoration: none;
}

.featured-item.accent a {
  color: var(--white);
}

.guide-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--red);
  font-size: 0.86rem;
  font-weight: 900;
}

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

.service {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: clamp(24px, 6vw, 72px);
  align-items: start;
}

.service-copy {
  font-size: 1.08rem;
}

.service-copy .button {
  margin-top: 24px;
}

.contact {
  background: var(--ink);
  color: var(--white);
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.contact-row a {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  text-decoration: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(18px, 5vw, 80px);
  color: var(--muted);
  background: var(--white);
}

@media (max-width: 860px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    white-space: nowrap;
  }

  .hero,
  .service {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-logo {
    padding-bottom: 0;
  }

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

  .featured-grid,
  .product-showcase,
  .guide-grid,
  .assurance-grid {
    grid-template-columns: 1fr;
  }

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

  .showcase-image {
    height: 220px;
  }
}

@media (max-width: 460px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}