/* CNDA premium public surface — approved blue / white / near-black system. */

body.cnda-premium {
  --cnda-bg: #020713;
  --cnda-bg-2: #061126;
  --cnda-panel: rgba(7, 20, 44, 0.82);
  --cnda-panel-strong: #07162f;
  --cnda-white: #f8fbff;
  --cnda-muted: #aebbd0;
  --cnda-blue: #1f6fff;
  --cnda-blue-bright: #348dff;
  --cnda-blue-deep: #0a348f;
  --cnda-line: rgba(64, 135, 255, 0.25);
  --cnda-line-soft: rgba(255, 255, 255, 0.09);
  background: #020713;
  color: var(--cnda-white);
}

.cnda-premium main {
  background:
    radial-gradient(70rem 42rem at 86% 8%, rgba(25, 91, 208, 0.17), transparent 64%),
    radial-gradient(48rem 35rem at 8% 35%, rgba(13, 64, 148, 0.12), transparent 66%),
    linear-gradient(180deg, #020713 0%, #040b18 46%, #020713 100%);
}

.cnda-premium .d1r2-header {
  background: linear-gradient(180deg, rgba(250, 252, 255, 0.96), rgba(244, 248, 255, 0.88));
}

.cnda-premium .strategy-tabs {
  border-color: rgba(58, 125, 246, 0.26);
  background: rgba(5, 15, 34, 0.76);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.cnda-premium .strategy-tabs a {
  color: #b8c6db;
}

.cnda-premium .strategy-tabs a[aria-current="page"] {
  color: #fff;
  background: linear-gradient(135deg, #0a347f, #1762df 60%, #2b83ff);
  box-shadow: 0 10px 28px rgba(21, 92, 214, 0.35);
}

.cnda-hero {
  padding: clamp(2rem, 5vw, 4.25rem) 0 clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--cnda-line-soft);
}

.cnda-hero__media {
  position: relative;
  margin: 1.5rem 0 0;
  border-radius: clamp(1.15rem, 2.5vw, 2rem);
  overflow: hidden;
  border: 1px solid rgba(76, 143, 255, 0.32);
  box-shadow:
    0 36px 100px rgba(0, 0, 0, 0.52),
    0 0 70px rgba(26, 100, 230, 0.13);
  background: #020713;
}

.cnda-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.035);
}

.cnda-hero__media img,
.cnda-ais-showcase__media img {
  display: block;
  width: 100%;
  height: auto;
}

.cnda-hero__copy {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.9fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  padding-top: clamp(2.25rem, 5vw, 4rem);
}

.cnda-premium .strategy-section__eyebrow,
.cnda-premium .strategy-hero__eyebrow,
.cnda-premium .strategy-card__eyebrow {
  color: #5c9cff;
}

.cnda-hero__copy h1,
.cnda-premium .strategy-section h2 {
  color: var(--cnda-white);
  background: transparent !important;
}

.cnda-hero__copy h1 {
  margin: 0;
  max-width: 13ch;
  font-family: var(--d1r2-font-display), Georgia, serif;
  font-size: clamp(2.7rem, 5.5vw, 5.4rem);
  line-height: 0.99;
  letter-spacing: -0.05em;
}

.cnda-hero__copy p,
.cnda-premium .strategy-section__lede,
.cnda-premium .strategy-product p,
.cnda-premium .strategy-lane p,
.cnda-premium .strategy-validation span,
.cnda-premium .strategy-better span,
.cnda-premium .strategy-chain__step span {
  color: var(--cnda-muted) !important;
}

.cnda-hero__copy p {
  margin: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.42rem) !important;
  line-height: 1.62;
}

.cnda-premium .strategy-btn--primary {
  background: linear-gradient(135deg, #0b3d9b, #1768e8 62%, #308aff);
  box-shadow: 0 18px 42px rgba(23, 104, 232, 0.27);
}

.cnda-premium .strategy-btn--ghost {
  color: #eaf2ff;
  background: rgba(255,255,255,0.035);
  border-color: rgba(105, 157, 255, 0.34);
}

.cnda-premium .strategy-section {
  border-bottom-color: var(--cnda-line-soft);
  background: transparent;
}

.cnda-premium .strategy-section--soft {
  background: linear-gradient(180deg, rgba(7, 20, 44, 0.7), rgba(3, 10, 24, 0.78));
}

.cnda-chain {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  position: relative;
  gap: 0;
  padding: 1.25rem 0;
}

.cnda-chain::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 2.3rem;
  height: 2px;
  background: linear-gradient(90deg, #0a2d6f, #1d70ff 45%, #74aaff 72%, #f4f8ff);
  opacity: 0.8;
}

.cnda-chain__item {
  position: relative;
  padding: 4rem 1rem 1rem 0;
  min-height: 10rem;
}

.cnda-chain__item::before {
  content: "";
  position: absolute;
  top: 1.78rem;
  left: 0;
  width: 0.92rem;
  height: 0.92rem;
  border-radius: 50%;
  background: #2a80ff;
  border: 3px solid #07152e;
  box-shadow: 0 0 0 1px #4d94ff, 0 0 24px rgba(37, 121, 255, 0.45);
}

.cnda-chain__item strong {
  display: block;
  color: #fff;
  font-size: 0.98rem;
  line-height: 1.28;
}

.cnda-chain__item span {
  display: block;
  margin-top: 0.5rem;
  color: #8fa0b9;
  font-size: 0.87rem;
  line-height: 1.5;
}

.cnda-ais-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(18rem, 0.7fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.cnda-ais-showcase__media {
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1px solid rgba(62, 131, 255, 0.35);
  background: #020713;
  box-shadow: 0 28px 80px rgba(0,0,0,0.42), 0 0 48px rgba(25, 101, 235, 0.13);
}

.cnda-ais-showcase__copy {
  padding: 1rem 0;
}

.cnda-ais-showcase__index {
  color: #5c9cff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.cnda-ais-showcase__copy h3 {
  margin: 0.75rem 0 0;
  color: #fff;
  font-size: clamp(2rem, 3.5vw, 3.3rem);
  line-height: 1.04;
}

.cnda-ais-showcase__hook {
  margin-top: 1rem !important;
  color: #72aaff !important;
  font-weight: 720;
  font-size: 1.18rem !important;
}

.cnda-ais-showcase__copy p {
  color: var(--cnda-muted) !important;
}

.cnda-ais-showcase__signal {
  display: block;
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--cnda-line);
  color: #fff;
  line-height: 1.5;
}

.cnda-armory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.cnda-premium .strategy-product {
  min-height: 19rem;
  padding: clamp(1.5rem, 3vw, 2.1rem);
  border: 1px solid var(--cnda-line-soft);
  border-radius: 1.2rem;
  background:
    linear-gradient(145deg, rgba(9, 26, 55, 0.92), rgba(4, 13, 30, 0.96));
  box-shadow: 0 18px 50px rgba(0,0,0,0.22);
  overflow: hidden;
}

.cnda-premium .strategy-product::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #368cff, #0a347f 70%, transparent);
}

.cnda-premium .strategy-product__index {
  color: #4f96ff;
}

.cnda-premium .strategy-product h3,
.cnda-premium .strategy-better strong,
.cnda-premium .strategy-lane strong,
.cnda-premium .strategy-validation span {
  color: #f7faff;
}

.cnda-premium .strategy-product__hook {
  color: #70a8ff;
}

.cnda-premium .strategy-better,
.cnda-premium .strategy-lane,
.cnda-premium .strategy-validation {
  border-color: var(--cnda-line-soft);
  background: rgba(6, 18, 40, 0.78);
  box-shadow: none;
}

.cnda-premium .strategy-better {
  border-left-color: #2b7fff;
}

.cnda-premium .strategy-validation strong,
.cnda-premium .strategy-validation a {
  color: #5e9eff;
}

.cnda-premium .strategy-note {
  color: #9caec6;
  border-left-color: #4b91ff;
  background: rgba(8, 23, 50, 0.72);
}

.cnda-nav-link {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.35rem !important;
  background: transparent !important;
}

.cnda-nav-mark {
  display: block;
  width: auto;
  height: 2.2rem;
  max-width: 7.25rem;
  object-fit: contain;
  mix-blend-mode: multiply;
}

@media (max-width: 1100px) {
  .cnda-chain { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.5rem; }
  .cnda-chain::before { display: none; }
  .cnda-chain__item { padding-top: 2.5rem; }
  .cnda-chain__item::before { top: 1rem; }
}

@media (max-width: 900px) {
  .cnda-hero__copy,
  .cnda-ais-showcase { grid-template-columns: 1fr; }
  .cnda-armory-grid { grid-template-columns: 1fr; }
  .cnda-premium .strategy-product { min-height: auto; }
}

@media (max-width: 680px) {
  .cnda-chain { grid-template-columns: 1fr 1fr; }
  .cnda-nav-mark { height: 1.9rem; max-width: 6.2rem; }
}
