:root {
  --deep: #07150f;
  --forest: #0c2217;
  --teal: #2dd4bf;
  --teal-600: #14b8a6;
  --teal-200: #99f6e4;
  --accent: #ff9800;
  --text: #e9f2ec;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  color: var(--text);
  background: var(--deep);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
}

.bg-deep {
  background: var(--deep);
}

.bg-dark-forest {
  background: var(--forest);
}

.bg-teal {
  background: var(--teal);
}

.text-teal {
  color: var(--teal);
}

.link-teal {
  color: var(--teal);
  text-decoration: none;
}

.link-teal:hover {
  text-decoration: underline;
}

.border-teal {
  border-color: var(--teal) !important;
}

.border-y-teal {
  border-top: 1px solid var(--teal);
  border-bottom: 1px solid var(--teal);
}

.btn-teal {
  background: var(--teal);
  color: var(--forest);
  border: none;
  font-weight: 700;
}

.btn-teal:hover {
  background: var(--teal-600);
  color: var(--forest);
}

.badge.bg-teal {
  color: var(--forest) !important;
}

.hero {
  background: radial-gradient(1200px 400px at 20% -10%, rgba(45, 212, 191, 0.12), transparent),
    linear-gradient(160deg, rgba(45, 212, 191, 0.08), transparent 60%),
    var(--deep);
  padding: 3rem 0 1rem;
}

.hero .overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.logo-lg {
  width: 96px;
  height: auto;
  filter: drop-shadow(0 6px 24px rgba(0, 0, 0, .4));
}

.card.lift {
  background: rgba(12, 34, 23, .6);
  transition: transform .2s ease, box-shadow .2s ease;
  color:#cfeae3;
}

.card.lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .35);
}

.navbar-dark .navbar-nav .nav-link {
  color: #d7f3ec;
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: var(--teal);
}

.navbar-dark .navbar-brand {
  color: #fff;
}

.pdf-frame {
  background: #000;
}

/* small utilities */
.fw-800 {
  font-weight: 800;
}

/* === Contrast fix for Features cards === */
#features .card.lift {
  background: rgba(12, 34, 23, 0.92);
  border-color: var(--teal);
}

#features .card.lift,
#features .card.lift .card-body,
#features .card.lift h3,
#features .card.lift .h5,
#features .card.lift p {
  color: var(--text) !important;
}

#features .card.lift p {
  opacity: .98;
}

/* ====================================== */
.card.lift {
  background: rgba(12, 34, 23, .9);
  transition: transform .2s ease, box-shadow .2s ease;
  border: 1px solid rgba(45, 212, 191, .35)
}

.card.lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .35)
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  align-items: stretch;
  margin-top: 12px
}

.how-card {
  background: linear-gradient(180deg, rgba(12, 34, 23, 0.72), rgba(12, 34, 23, 0.9));
  padding: 20px;
  border-radius: 12px;
  border: 1px solid rgba(45, 212, 191, 0.06);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 12px
}

.how-card img {
  width: 100%;
  object-fit: cover;
  border-radius: 8px
}

.how-card h4 {
  margin: 0
}

.how-card p {
  margin: 0;
  opacity: .95;
  line-height: 1.45
}

.logo-tile {
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.25));
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  padding: 12px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}

.logo-tile img {
  max-width: 100%;
  max-height: 56px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .4))
}

.showcase-card h4 {
  display: flex;
  align-items: center;
  gap: 10px
}

.showcase-card .desc {
  opacity: .95
}

.border-y-teal {
  border-top: 1px solid var(--teal);
  border-bottom: 1px solid var(--teal)
}

footer small,
footer .small {
  color: #cfeae3
}

@media(min-width:1200px) {
  .container {
    max-width: 1100px
  }
}