:root {
  --c2-deep-navy: #0B1320;
  --c2-midnight: #121C2F;
  --c2-card: #121C2F;
  --c2-teal: #18C4D8;
  --c2-aqua: #18C4D8;
  --c2-blue: #2C4E68;
  --c2-coral: #F56A3D;
  --c2-green: #26a99a;
  --c2-purple: #7761a9;
  --c2-slate: #5f7180;
  --c2-ivory: #F5F3EF;
  --c2-text: #d8e1ea;
  --c2-muted: #9fb0c2;
  --c2-border: rgba(24, 196, 216, 0.2);
}

.c2-research-menu {
  position: relative;
  overflow: hidden;
  padding: 72px 20px;
  background:
    radial-gradient(circle at 15% 10%, rgba(24, 196, 216, 0.13), transparent 32%),
    radial-gradient(circle at 90% 12%, rgba(245, 106, 61, 0.08), transparent 28%),
    linear-gradient(145deg, #06111e 0%, var(--c2-deep-navy) 45%, #0b2134 100%);
  color: var(--c2-text);
  font-family: 'Outfit', ui-sans-serif, system-ui, sans-serif;
}

.c2-research-menu::before,
.c2-research-menu::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 180px;
  border: 1px solid rgba(24, 196, 216, 0.08);
  border-radius: 50%;
  transform: rotate(-8deg);
  pointer-events: none;
}

.c2-research-menu::before { top: 110px; left: -210px; }
.c2-research-menu::after { right: -230px; bottom: 100px; }

.c2-menu-container {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.c2-menu-header {
  margin-bottom: 34px;
  text-align: center;
}

.c2-logo-text {
  color: var(--c2-ivory);
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(48px, 8vw, 88px);
  line-height: 1;
}

.c2-letter { font-size: 1.2em; }
.c2-number {
  margin-left: 2px;
  color: var(--c2-coral);
  font-size: 0.45em;
  vertical-align: baseline;
}
.c2-tides {
  margin-left: 12px;
  font-style: italic;
}

.c2-wave {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 190px;
  margin: 12px auto 14px;
}
.c2-wave span {
  display: block;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--c2-teal), #63dceb, transparent);
  transform: skewX(-18deg);
}
.c2-wave span:last-child {
  width: 84%;
  margin-left: auto;
}

.c2-subtitle {
  margin: 0 0 24px;
  color: var(--c2-aqua);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.4em;
  text-transform: uppercase;
}

.c2-menu-header h2 {
  max-width: 760px;
  margin: 0 auto;
  color: var(--c2-ivory);
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 500;
  line-height: 1.05;
}
.c2-menu-header h2 span { color: var(--c2-teal); }

.c2-intro {
  max-width: 680px;
  margin: 18px auto 0;
  color: var(--c2-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.c2-trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 30px;
}

.c2-trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 68px;
  padding: 12px;
  border: 1px solid var(--c2-border);
  border-radius: 14px;
  background: rgba(12, 31, 49, 0.65);
  backdrop-filter: blur(12px);
  color: var(--c2-ivory);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-align: left;
}

.c2-trust-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-right: 10px;
  border: 1px solid var(--c2-teal);
  border-radius: 50%;
  color: var(--c2-aqua);
  flex: 0 0 auto;
}

.c2-category {
  --category-color: var(--c2-teal);
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(14px);
}

.c2-category-teal { --category-color: var(--c2-teal); }
.c2-category-blue { --category-color: #2f74b8; }
.c2-category-coral { --category-color: var(--c2-coral); }
.c2-category-green { --category-color: var(--c2-green); }
.c2-category-purple { --category-color: var(--c2-purple); }
.c2-category-slate { --category-color: var(--c2-slate); }

.c2-category-title {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--category-color) 92%, transparent), color-mix(in srgb, var(--category-color) 38%, transparent), transparent);
}

.c2-category-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  color: white;
  font-size: 1.35rem;
  flex: 0 0 auto;
}

.c2-category-label {
  display: block;
  margin-bottom: 3px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.c2-category-title h3 {
  margin: 0;
  color: white;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  line-height: 1.2;
}

.c2-product-grid { display: grid; }
.c2-product-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.c2-product { position: relative; padding: 26px; }
.c2-product-grid-2 > .c2-product + .c2-product {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.c2-product-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.c2-product h4 {
  margin: 0;
  color: var(--c2-ivory);
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 600;
}

.c2-dose {
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid color-mix(in srgb, var(--category-color) 65%, white);
  border-radius: 999px;
  background: color-mix(in srgb, var(--category-color) 25%, transparent);
  color: white;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.c2-product-name {
  margin: 9px 0 16px;
  color: var(--category-color);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c2-product ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.c2-product li {
  position: relative;
  padding-left: 24px;
  color: var(--c2-text);
  font-size: 0.92rem;
  line-height: 1.45;
}

.c2-product li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border: 1px solid var(--category-color);
  border-radius: 50%;
  color: var(--category-color);
  font-size: 0.63rem;
  font-weight: 900;
}

.c2-split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.c2-research-disclaimer {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 26px;
  padding: 22px;
  border: 1px solid rgba(24, 196, 216, 0.28);
  border-radius: 18px;
  background: rgba(5, 16, 28, 0.78);
}

.c2-disclaimer-badge {
  flex: 0 0 auto;
  padding: 11px 18px;
  border: 1px solid var(--c2-teal);
  border-radius: 10px;
  color: var(--c2-aqua);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.c2-research-disclaimer p {
  margin: 0;
  color: var(--c2-muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .c2-trust-row { grid-template-columns: repeat(2, 1fr); }
  .c2-split-grid { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 700px) {
  .c2-research-menu { padding: 48px 14px; }
  .c2-product-grid-2 { grid-template-columns: 1fr; }
  .c2-product-grid-2 > .c2-product + .c2-product {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 0;
  }
  .c2-category-title { padding: 16px 18px; }
  .c2-product { padding: 22px 18px; }
  .c2-research-disclaimer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .c2-trust-row { grid-template-columns: 1fr; }
  .c2-product-heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .c2-subtitle { letter-spacing: 0.22em; }
}