:root {
  --primary: #81ecff;
  --primary-dim: #00d4ec;
  --background: #0e0e0e;
  --surface: #0e0e0e;
  --surface-container: #1a1a1a;
  --surface-container-low: #131313;
  --surface-container-high: #20201f;
  --surface-container-highest: #262626;
  --on-surface: #ffffff;
  --on-surface-variant: #adaaaa;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--background);
  color: var(--on-surface);
  line-height: 1.6;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(14, 14, 14, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(129, 236, 255, 0.12);
  padding: 1rem 2rem;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

nav .logo img {
  height: 40px;
  width: auto;
  display: block;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.2rem;
}

nav a {
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

nav a:hover,
nav a.active {
  color: var(--primary);
}

nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--primary);
  opacity: 0.9;
}

main {
  padding-top: 86px;
}

.page-hero {
  padding: 5rem 2rem 2rem;
  background: linear-gradient(135deg, #0e0e0e 0%, #1a1a1a 50%, #0e0e0e 100%);
}

.page-hero h1 {
  font-size: clamp(2rem, 6vw, 3.8rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
}

.page-hero p {
  margin-top: 0.9rem;
  max-width: 760px;
  color: var(--on-surface-variant);
}

.section {
  padding: 3rem 2rem;
}

.section.alt {
  background: var(--surface-container-low);
}

.grid {
  display: grid;
  gap: 1.2rem;
}

.grid.cards {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background: var(--surface-container);
  border: 1px solid rgba(129, 236, 255, 0.12);
  border-radius: 8px;
  padding: 1.15rem;
}

.card h3,
.card h4 {
  margin-bottom: 0.35rem;
}

.card p,
.card li {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

.card ul {
  padding-left: 1rem;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.kpi .card strong {
  color: var(--primary);
  font-size: 1.3rem;
}

.btn {
  padding: 0.8rem 1.5rem;
  border-radius: 0.25rem;
  border: none;
  font-family: inherit;
  font-size: 0.84rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.btn-primary {
  background: var(--primary);
  color: var(--background);
  box-shadow: 0 0 20px rgba(129, 236, 255, 0.26);
}

.btn-primary:hover {
  box-shadow: 0 0 28px rgba(129, 236, 255, 0.45);
  transform: translateY(-2px);
}

.cta {
  text-align: center;
  padding: 3.2rem 2rem;
  background: linear-gradient(135deg, var(--surface-container) 0%, var(--surface-container-high) 100%);
}

.cta p {
  color: var(--on-surface-variant);
  margin: 0.75rem auto 1.5rem;
  max-width: 720px;
}

footer {
  background: var(--surface-container-low);
  padding: 2.5rem 2rem;
  border-top: 1px solid rgba(129, 236, 255, 0.12);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.2rem;
}

.footer-section h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.7rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  display: block;
}

.footer-section a:hover {
  color: var(--primary);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(129, 236, 255, 0.12);
  color: var(--on-surface-variant);
  font-size: 0.82rem;
}

@media (max-width: 860px) {
  nav {
    padding: 0.9rem 1rem;
  }

  nav ul {
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  main {
    padding-top: 112px;
  }
}