:root {
  --io-bg: #edf4f6;
  --io-card-bg: #ffffff;
  --io-brand: #0f6256;
  --io-brand-soft: #d8efe9;
  --io-brand-deep: #0a3f39;
  --io-text: #1f2937;
  --io-muted: #5f6b76;
  --io-outline: #d7e3e7;
  --io-shadow: 0 14px 34px rgba(10, 63, 57, 0.1);
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 8% 8%, rgba(15, 98, 86, 0.2), transparent 32%),
    radial-gradient(circle at 90% 10%, rgba(15, 98, 86, 0.14), transparent 34%),
    linear-gradient(180deg, var(--io-bg) 0%, #ffffff 50%);
  color: var(--io-text);
  min-height: 100vh;
}

.brand {
  font-family: "Sora", "Manrope", sans-serif;
  color: var(--io-brand-deep);
  letter-spacing: 0.03em;
}

.site-header {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(151, 180, 175, 0.35);
}

.hero {
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(15, 81, 50, 0.08), transparent 42%);
  pointer-events: none;
}

.hero-kicker {
  color: var(--io-brand);
  letter-spacing: 0.08em;
}

.hero-title {
  max-width: 16ch;
}

.hero-intro {
  color: var(--io-muted);
  max-width: 55ch;
}

.py-md-6 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.app-card {
  background: var(--io-card-bg);
  border: 1px solid var(--io-outline);
  border-radius: 1.15rem;
  height: 100%;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
  box-shadow: 0 8px 18px rgba(22, 53, 52, 0.06);
}

.app-item {
  animation: cardIn 0.55s ease both;
  animation-delay: calc(var(--card-index, 0) * 0.06s);
}

.app-card:hover {
  transform: translateY(-5px);
  border-color: #a8d4ca;
  box-shadow: var(--io-shadow);
}

.app-card .badge {
  background-color: var(--io-brand-soft);
  color: var(--io-brand-deep);
  border: 1px solid #c2e4db;
  font-weight: 700;
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.lang-btn {
  border-color: #b9cdcf;
  color: #2f4750;
  font-weight: 700;
}

.lang-btn:hover {
  border-color: var(--io-brand);
  color: var(--io-brand);
}

.lang-btn.active {
  background-color: var(--io-brand);
  border-color: var(--io-brand);
  color: #fff;
}

.btn-outline-primary {
  --bs-btn-color: var(--io-brand-deep);
  --bs-btn-border-color: #a5cdc4;
  --bs-btn-hover-bg: var(--io-brand);
  --bs-btn-hover-border-color: var(--io-brand);
  --bs-btn-hover-color: #ffffff;
  --bs-btn-active-bg: var(--io-brand);
  --bs-btn-active-border-color: var(--io-brand);
}

.site-footer {
  background: rgba(255, 255, 255, 0.72);
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 575.98px) {
  .hero-title {
    max-width: 100%;
  }

  .app-card {
    border-radius: 1rem;
  }
}