:root {
  --dd-deep-navy: #002040;
  --dd-graphite: #222222;
  --dd-iron: #333333;
  --dd-maroon: #4a0002;
  --dd-forest: #004030;
  --dd-teal: #00698c;
  --dd-slate: #004c66;
  --dd-deep-teal: #003040;
  --dd-emerald: #004040;
  --dd-cyan: #1aa9a9;
  --dd-background: #001020;
  --dd-text-light: #f5f7f8;
  --dd-text-muted: rgba(245, 247, 248, 0.72);
  --dd-card-bg: rgba(0, 32, 64, 0.72);
  --dd-border: rgba(26, 169, 169, 0.35);
  --dd-radius: 16px;
  --dd-spacing: clamp(1.5rem, 2vw, 2.5rem);
  --dd-font: "Helvetica Neue", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--dd-font);
  background: linear-gradient(160deg, var(--dd-background) 0%, #000000 100%);
  color: var(--dd-text-light);
  line-height: 1.6;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--dd-cyan);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

header,
main,
footer {
  padding: var(--dd-spacing);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem var(--dd-spacing) 0;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dd-text-muted);
}

.nav__logo img {
  height: 40px;
  width: auto;
  display: block;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.45));
}

.nav__links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: rgba(0, 64, 48, 0.36);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav__links a:focus,
.nav__links a:hover {
  border-color: var(--dd-border);
}

.hero {
  display: grid;
  gap: var(--dd-spacing);
  align-items: center;
  padding: clamp(4rem, 10vw, 6rem) var(--dd-spacing);
  background: radial-gradient(circle at top left, rgba(26, 169, 169, 0.18), transparent 55%);
}

.hero__content {
  max-width: 640px;
}

.hero__tagline {
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero__lede {
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  color: var(--dd-text-muted);
  margin-top: 0.75rem;
}

.hero__cta {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  border: 1px solid var(--dd-border);
  background: rgba(0, 64, 48, 0.72);
  color: var(--dd-text-light);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.button--ghost {
  background: transparent;
}

.button:hover,
.button:focus {
  border-color: rgba(255, 255, 255, 0.32);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: rgba(0, 64, 48, 0.64);
  border: 1px solid var(--dd-border);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__badge img {
  height: 48px;
  width: auto;
}

.section { 
  padding: clamp(3rem, 7vw, 5rem) var(--dd-spacing);
}

.section--grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.section--split {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.section__lede {
  font-size: 1.05rem;
  color: var(--dd-text-muted);
  margin-bottom: 1.5rem;
}

.section__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--dd-radius);
  border: 1px solid var(--dd-border);
  background: var(--dd-card-bg);
  backdrop-filter: blur(8px);
  min-height: 100%;
}

.card__title {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.card__meta {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--dd-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.partners {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.partners img {
  width: 100%;
  height: auto;
  filter: grayscale(20%) brightness(1.05);
}

.testimonial {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--dd-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 32, 48, 0.52);
  color: var(--dd-text-muted);
  font-style: italic;
}

.testimonial cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dd-text-light);
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--dd-text-muted);
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1fr 1fr;
  }

  nav {
    padding-inline: clamp(3rem, 5vw, 4.5rem);
  }
}

.nav__logo--text {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dd-text-muted);
}

.business-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(4rem, 10vw, 6rem) var(--dd-spacing) clamp(3rem, 8vw, 5rem);
}

.business-card__logo img {
  width: min(480px, 70vw);
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.45));
}

.business-card__content {
  max-width: 420px;
  display: grid;
  gap: 1.25rem;
}

.business-card__role {
  font-size: 1.1rem;
  color: var(--dd-text-muted);
  margin: 0;
}

.business-card__details {
  margin: 0;
  display: grid;
  gap: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.business-card__details div {
  display: grid;
  gap: 0.25rem;
}

.business-card__details dt {
  color: var(--dd-text-muted);
  font-weight: 600;
}

.business-card__details dd {
  margin: 0;
}

.business-card__details a {
  color: var(--dd-text-light);
}

.business-card__details--bio {
  text-transform: none;
  letter-spacing: normal;
  font-size: 1rem;
  color: var(--dd-text-muted);
}

.business-card__details--bio div {
  gap: 1rem;
}

.business-card__badge img {
  width: min(320px, 60vw);
  height: auto;
  filter: drop-shadow(0 10px 24px rgba(26, 169, 169, 0.4));
}

.business-card__footer {
  text-align: center;
  padding-bottom: clamp(2rem, 6vw, 3.5rem);
  color: var(--dd-text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}