:root {
  --bz-blue: #0060a8;
  --bz-blue-deep: #003a75;
  --bz-cyan: #12a397;
  --bz-teal: #0e7584;
  --bz-orange: #e78726;
  --bz-green: #64a70b;
  --bz-ink: #153d56;
  --bz-text: #26465a;
  --bz-muted: #648293;
  --bz-line: rgba(21, 61, 86, 0.12);
  --bz-bg: #f4f8fb;
  --bz-white: #ffffff;
  --shadow-soft: 0 24px 60px rgba(0, 58, 117, 0.16);
  --shadow-card: 0 16px 40px rgba(21, 61, 86, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Lato", sans-serif;
  color: var(--bz-text);
  background:
    radial-gradient(circle at top left, rgba(18, 163, 151, 0.12), transparent 28%),
    linear-gradient(180deg, #eef6fb 0%, #f9fcfe 40%, #ffffff 100%);
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(0, 58, 117, 0.08);
}

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

.brand img {
  width: 150px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--bz-ink);
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--bz-cyan), var(--bz-orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.24s ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--bz-white);
  background: linear-gradient(135deg, var(--bz-blue) 0%, var(--bz-cyan) 100%);
  box-shadow: 0 16px 30px rgba(0, 96, 168, 0.22);
}

.button-secondary {
  color: var(--bz-blue-deep);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(0, 58, 117, 0.14);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 48px;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(0, 96, 168, 0.96), rgba(18, 163, 151, 0.88)),
    url("https://biozoo.com.mx/assets/slider/Fondo_70AN%CC%83OS.jpg") center/cover;
  clip-path: ellipse(100% 100% at 50% 0%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 36px;
  align-items: center;
}

.hero-copy {
  color: var(--bz-white);
  padding: 36px 0;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.two-column h3,
.step h3,
.benefit-card h3,
.audience-card h3,
.cta-panel h2 {
  margin: 0;
  line-height: 1.05;
  color: inherit;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
}

.hero h1 span {
  color: #dffcf5;
}

.hero-text {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 1.08rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-points {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.92);
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.56em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bz-orange);
  box-shadow: 16px 0 0 rgba(255, 255, 255, 0.18);
}

.hero-card {
  display: flex;
  justify-content: flex-end;
}

.info-card {
  width: min(100%, 420px);
  padding: 34px;
  color: var(--bz-ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.card-label {
  margin: 0 0 14px;
  color: var(--bz-cyan);
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.info-card h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.15;
}

.info-card p:last-child {
  margin-bottom: 0;
  line-height: 1.7;
}

.impact-strip {
  position: relative;
  z-index: 2;
  margin-top: -20px;
}

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

.impact-grid article {
  padding: 22px;
  background: var(--bz-white);
  border: 1px solid var(--bz-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.impact-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--bz-blue-deep);
  font-size: 1.15rem;
}

.impact-grid span {
  display: block;
  line-height: 1.6;
  color: var(--bz-muted);
}

.section {
  padding: 92px 0;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(0, 96, 168, 0.04), rgba(18, 163, 151, 0.04)),
    var(--bz-white);
}

.section-heading {
  max-width: 840px;
  margin-bottom: 36px;
}

.section-heading h2 {
  color: var(--bz-ink);
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.section-heading p:last-child,
.text-block p,
.step p,
.benefit-card p,
.audience-grid p,
.cta-panel p,
.highlight-panel p {
  line-height: 1.75;
  color: var(--bz-text);
}

.two-column,
.audience-grid,
.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  align-items: start;
}

.highlight-panel,
.audience-card {
  padding: 28px;
  background: var(--bz-white);
  border: 1px solid var(--bz-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.panel-title {
  margin: 0 0 10px;
  color: var(--bz-orange);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.steps,
.benefits-grid {
  display: grid;
  gap: 18px;
}

.steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step,
.benefit-card {
  height: 100%;
  padding: 28px;
  background: var(--bz-white);
  border: 1px solid var(--bz-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.step span {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border-radius: 14px;
  color: var(--bz-white);
  font-weight: 900;
  background: linear-gradient(135deg, var(--bz-blue), var(--bz-cyan));
}

.step h3,
.benefit-card h3,
.audience-card h3 {
  color: var(--bz-ink);
  font-size: 1.35rem;
}

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

.audience-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--bz-text);
  line-height: 1.9;
}

.cta-panel {
  padding: 38px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(0, 58, 117, 0.98), rgba(18, 163, 151, 0.9)),
    var(--bz-blue);
  color: var(--bz-white);
  border-radius: 30px;
  box-shadow: var(--shadow-soft);
}

.cta-panel .eyebrow,
.cta-panel p,
.cta-panel h2 {
  color: var(--bz-white);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
}

.cta-panel .button-secondary {
  color: var(--bz-white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
}

@media (max-width: 1080px) {
  .hero-grid,
  .two-column,
  .audience-grid,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .hero-card {
    justify-content: flex-start;
  }

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

@media (max-width: 780px) {
  .site-header {
    position: static;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: 18px 0;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.88rem;
  }

  .button-header {
    margin-left: auto;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-copy {
    padding-top: 8px;
  }

  .impact-grid,
  .steps,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .cta-panel {
    padding: 28px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .hero-actions,
  .cta-actions {
    width: 100%;
  }

  .hero-actions .button,
  .cta-actions .button,
  .button-header {
    width: 100%;
  }

  .info-card,
  .step,
  .benefit-card,
  .highlight-panel,
  .audience-card {
    padding: 22px;
  }
}