/* ==========================================================================
   Silvaris — Educational pages (Colloidal Silver + History)
   Full-colour, high-energy styling. No bottle-first product look on CS.
   ========================================================================== */

/* ---------- Shared colour tokens (CS edu only) ---------- */
.cs-landing--vivid {
  --edu-teal: #0a4f4c;
  --edu-teal-deep: #062e2c;
  --edu-coral: #e85a4f;
  --edu-coral-hot: #ff6b5c;
  --edu-gold: #e8c36a;
  --edu-violet: #6b5b95;
  --edu-cream: #fff7ef;
  --edu-ink: #0e1413;
  --edu-glow: 0 0 80px rgba(232, 90, 79, 0.35);
}

/* ==========================================================================
   COLLOIDAL SILVER — vivid
   ========================================================================== */

.cs-landing--vivid {
  background: var(--edu-cream);
  color: var(--edu-ink);
  overflow-x: clip;
}

/* ---- Hero ---- */
.cs-hero--vivid {
  position: relative;
  min-height: min(92vh, 900px);
  padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(4rem, 9vw, 7rem);
  display: flex;
  align-items: center;
  color: #f7f4ee;
  border-bottom: 0;
  background: var(--edu-teal-deep);
  overflow: hidden;
}
.cs-hero--vivid .cs-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cs-hero--vivid .cs-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transform: scale(1.04);
  animation: cs-ken 28s ease-in-out infinite alternate;
}
.cs-hero--vivid .cs-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.cs-hero--vivid .cs-hero__glow--coral {
  width: 42vw;
  height: 42vw;
  right: -8%;
  top: 10%;
  background: rgba(232, 90, 79, 0.45);
  animation: cs-float 12s ease-in-out infinite;
}
.cs-hero--vivid .cs-hero__glow--teal {
  width: 36vw;
  height: 36vw;
  left: -10%;
  bottom: -10%;
  background: rgba(14, 120, 112, 0.55);
  animation: cs-float 14s ease-in-out infinite reverse;
}
.cs-hero--vivid .cs-hero__noise {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(6, 30, 28, 0.75) 0%, rgba(6, 30, 28, 0.35) 45%, rgba(232, 90, 79, 0.2) 100%),
    radial-gradient(ellipse 70% 60% at 80% 40%, rgba(232, 90, 79, 0.25), transparent 60%);
  pointer-events: none;
}
.cs-hero--vivid .cs-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 960px) {
  .cs-hero--vivid .cs-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}
.cs-hero--vivid .cs-hero__title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  max-width: 12ch;
  margin: 0.35rem 0 1.15rem;
  background: linear-gradient(135deg, #fff 0%, #ffe8e0 40%, #f0b4ae 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.25));
}
.cs-hero--vivid .cs-hero__lede {
  color: rgba(247, 244, 238, 0.88);
  font-size: clamp(1.08rem, 1.8vw, 1.25rem);
  max-width: 38em;
  line-height: 1.7;
}
.cs-hero--vivid .cs-hero__bullets li {
  color: rgba(247, 244, 238, 0.92);
}
.cs-hero--vivid .cs-hero__bullets li::before {
  background: linear-gradient(135deg, var(--edu-coral-hot), var(--edu-gold));
  box-shadow: 0 0 12px rgba(232, 90, 79, 0.6);
}
.cs-hero--vivid .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.cs-hero--vivid .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.cs-hero--vivid .silvaris-breadcrumbs,
.cs-hero--vivid .silvaris-breadcrumbs a {
  color: rgba(247, 244, 238, 0.7);
}
.cs-hero--vivid .silvaris-breadcrumbs a:hover { color: #fff; }

/* Floating art stack */
.cs-hero__stack {
  position: relative;
  min-height: 22rem;
  max-width: 28rem;
  margin-inline: auto;
}
@media (min-width: 960px) {
  .cs-hero__stack { min-height: 28rem; max-width: none; }
}
.cs-hero__card {
  position: absolute;
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35), var(--edu-glow);
  background: #000;
}
.cs-hero__card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cs-hero__card--a {
  width: 58%;
  aspect-ratio: 3/4;
  right: 0;
  top: 0;
  z-index: 2;
  transform: rotate(4deg);
  animation: cs-card-a 10s ease-in-out infinite;
}
.cs-hero__card--b {
  width: 42%;
  aspect-ratio: 1;
  left: 0;
  top: 18%;
  z-index: 3;
  transform: rotate(-8deg);
  animation: cs-card-b 11s ease-in-out infinite;
}
.cs-hero__card--c {
  width: 68%;
  aspect-ratio: 16/9;
  left: 12%;
  bottom: 0;
  z-index: 1;
  transform: rotate(2deg);
  animation: cs-card-c 12s ease-in-out infinite;
}

@keyframes cs-ken {
  from { transform: scale(1.02) translateY(0); }
  to { transform: scale(1.08) translateY(-2%); }
}
@keyframes cs-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(3%, -4%); }
}
@keyframes cs-card-a {
  0%, 100% { transform: rotate(4deg) translateY(0); }
  50% { transform: rotate(6deg) translateY(-10px); }
}
@keyframes cs-card-b {
  0%, 100% { transform: rotate(-8deg) translateY(0); }
  50% { transform: rotate(-5deg) translateY(12px); }
}
@keyframes cs-card-c {
  0%, 100% { transform: rotate(2deg) translateX(0); }
  50% { transform: rotate(0deg) translateX(8px); }
}

/* ---- Marquee ---- */
.cs-marquee {
  overflow: hidden;
  background: linear-gradient(90deg, var(--edu-coral) 0%, #c94a42 40%, var(--edu-teal) 100%);
  color: #fff;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.cs-marquee__track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  animation: cs-marquee 32s linear infinite;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}
.cs-marquee__dot {
  opacity: 0.65;
  color: var(--edu-gold);
}
@keyframes cs-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---- Mosaic ---- */
.cs-mosaic {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  background:
    radial-gradient(ellipse 50% 40% at 0% 0%, rgba(232, 90, 79, 0.12), transparent 55%),
    radial-gradient(ellipse 40% 50% at 100% 100%, rgba(10, 79, 76, 0.12), transparent 50%),
    var(--edu-cream);
}
.cs-section__head--center {
  text-align: center;
  margin-inline: auto;
  max-width: 36rem;
}
.cs-section__head--center h2 {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  background: linear-gradient(120deg, var(--edu-teal-deep), var(--edu-coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cs-mosaic__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 2rem;
}
@media (min-width: 800px) {
  .cs-mosaic__grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 11rem;
    gap: 1rem;
  }
}
.cs-mosaic__item {
  position: relative;
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  min-height: 10rem;
  border: 1px solid rgba(14, 20, 19, 0.08);
  box-shadow: 0 16px 40px rgba(14, 20, 19, 0.08);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s;
}
.cs-mosaic__item:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 28px 60px rgba(14, 20, 19, 0.16), 0 0 0 1px rgba(232, 90, 79, 0.2);
  z-index: 2;
}
.cs-mosaic__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.cs-mosaic__item:hover img { transform: scale(1.08); }
.cs-mosaic__item figcaption {
  position: absolute;
  left: 0.85rem;
  bottom: 0.75rem;
  padding: 0.35rem 0.7rem;
  background: rgba(6, 30, 28, 0.72);
  color: #fff;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
@media (min-width: 800px) {
  .cs-mosaic__item--lg {
    grid-column: span 2;
    grid-row: span 2;
    min-height: 100%;
  }
  .cs-mosaic__item--wide {
    grid-column: span 2;
  }
}

/* ---- CTA strip (no bottle) ---- */
.cs-cta-strip {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background:
    linear-gradient(135deg, var(--edu-teal-deep) 0%, #0d3d3a 45%, #3d1f1c 100%);
  color: rgba(247, 244, 238, 0.85);
  position: relative;
  overflow: hidden;
}
.cs-cta-strip::before {
  content: '';
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 80% 50%, rgba(232, 90, 79, 0.35), transparent 45%);
  pointer-events: none;
}
.cs-cta-strip__inner {
  position: relative;
  display: grid;
  gap: 1.75rem;
  align-items: center;
}
@media (min-width: 800px) {
  .cs-cta-strip__inner {
    grid-template-columns: 1.4fr 0.8fr;
    gap: 2.5rem;
  }
}
.cs-cta-strip h2 {
  color: #fff;
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  margin: 0.35rem 0 0.85rem;
  max-width: 18ch;
}
.cs-cta-strip .lede--light { color: rgba(247, 244, 238, 0.75); }
.cs-cta-strip__price {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: #f0b4ae;
  margin: 0 0 1rem;
}
.cs-cta-strip__price span {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(247, 244, 238, 0.55);
  margin-left: 0.35rem;
}

/* ---- Section upgrades on vivid CS ---- */
.cs-landing--vivid .cs-section {
  position: relative;
}
.cs-landing--vivid .cs-section--cream {
  background:
    radial-gradient(ellipse 40% 50% at 100% 0%, rgba(232, 90, 79, 0.08), transparent 50%),
    #faf3eb;
}
.cs-landing--vivid .cs-section--dark {
  background:
    radial-gradient(ellipse 50% 60% at 0% 100%, rgba(232, 90, 79, 0.25), transparent 50%),
    linear-gradient(160deg, #062e2c 0%, #0a4f4c 50%, #123836 100%);
}
.cs-landing--vivid .cs-card {
  border-radius: 16px;
  border: 1px solid rgba(14, 20, 19, 0.08);
  background: #fff;
  box-shadow: 0 12px 36px rgba(14, 20, 19, 0.06);
  transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s;
  overflow: hidden;
  position: relative;
}
.cs-landing--vivid .cs-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--edu-coral), var(--edu-gold), var(--edu-teal));
  opacity: 0;
  transition: opacity 0.3s;
}
.cs-landing--vivid .cs-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(14, 20, 19, 0.12);
  border-color: rgba(232, 90, 79, 0.25);
}
.cs-landing--vivid .cs-card:hover::after { opacity: 1; }
.cs-landing--vivid .cs-card__icon {
  background: linear-gradient(135deg, rgba(232, 90, 79, 0.12), rgba(10, 79, 76, 0.12));
  border-radius: 12px;
  color: var(--edu-coral);
}

.cs-landing--vivid .cs-split__media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 28px 60px rgba(14, 20, 19, 0.14);
  border: 2px solid rgba(255, 255, 255, 0.6);
}
.cs-landing--vivid .cs-split__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 16rem;
}
.cs-landing--vivid .cs-split__blob {
  position: absolute;
  width: 40%;
  height: 40%;
  right: -8%;
  bottom: -8%;
  background: radial-gradient(circle, rgba(232, 90, 79, 0.45), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.cs-landing--vivid .cs-process__step {
  border-radius: 16px;
  border: 1px solid rgba(14, 20, 19, 0.08);
  background: #fff;
  transition: transform 0.3s, box-shadow 0.3s;
}
.cs-landing--vivid .cs-process__step:hover {
  transform: translateX(6px);
  box-shadow: 0 16px 40px rgba(14, 20, 19, 0.1);
}
.cs-landing--vivid .cs-process__n {
  background: linear-gradient(135deg, var(--edu-coral), #c94a42);
  color: #fff;
  box-shadow: 0 8px 20px rgba(232, 90, 79, 0.35);
}

.cs-landing--vivid .cs-compare__card {
  border-radius: 16px;
  overflow: hidden;
}
.cs-landing--vivid .cs-compare__card--accent {
  background: linear-gradient(160deg, #fff 0%, #fff0ed 100%);
  border-color: rgba(232, 90, 79, 0.3);
}

.cs-landing--vivid .cs-learn__card {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(14, 20, 19, 0.12);
  transform: translateZ(0);
}
.cs-landing--vivid .cs-learn__card img {
  transition: transform 0.7s ease;
}
.cs-landing--vivid .cs-learn__card:hover img {
  transform: scale(1.1);
}

.cs-landing--vivid .cs-safety {
  border-radius: 20px;
  background: linear-gradient(135deg, #fff 0%, #fff5f2 100%);
  border: 1px solid rgba(232, 90, 79, 0.2);
  box-shadow: 0 16px 40px rgba(232, 90, 79, 0.08);
}

.cs-landing--vivid .faq-item {
  border-radius: 12px;
  border: 1px solid rgba(14, 20, 19, 0.08);
  background: #fff;
  margin-bottom: 0.55rem;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.cs-landing--vivid .faq-item.is-open,
.cs-landing--vivid .faq-item:hover {
  border-color: rgba(232, 90, 79, 0.35);
  box-shadow: 0 10px 28px rgba(14, 20, 19, 0.06);
}

.cs-landing--vivid .cs-made-pillars li {
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(14, 20, 19, 0.08);
}
.cs-landing--vivid .cs-made-note {
  border-radius: 20px;
  background: linear-gradient(135deg, var(--edu-teal-deep), #0d4a47);
  color: rgba(247, 244, 238, 0.85);
  border: 0;
}
.cs-landing--vivid .cs-made-note h3 { color: #fff; }
.cs-landing--vivid .cs-made-note__stats strong {
  color: #f0b4ae;
  font-family: var(--font-serif);
}

/* Trust strip more colourful if still present */
.cs-landing--vivid .cs-trust {
  background: linear-gradient(90deg, #062e2c, #0a4f4c 40%, #3a221f);
}

/* History is styled in main.css only — do not override layout here. */

/* ---- Motion reduce ---- */
@media (prefers-reduced-motion: reduce) {
  .cs-hero--vivid .cs-hero__bg img,
  .cs-hero__card--a,
  .cs-hero__card--b,
  .cs-hero__card--c,
  .cs-marquee__track {
    animation: none !important;
  }
}

/* ---- Final CTA ---- */
.cs-final--vivid {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) 0 !important;
  overflow: hidden;
  background: #041c1a;
  color: rgba(247, 244, 238, 0.85);
}
.cs-final--vivid .cs-final__bg {
  position: absolute;
  inset: 0;
}
.cs-final--vivid .cs-final__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.cs-final--vivid .cs-final__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(4, 28, 26, 0.88) 0%, rgba(4, 28, 26, 0.55) 50%, rgba(58, 34, 31, 0.7) 100%);
}
.cs-final--vivid .cs-final__panel {
  position: relative;
  z-index: 1;
  max-width: 36rem;
  text-align: center;
  margin-inline: auto;
}
.cs-final--vivid h2 {
  color: #fff;
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  margin: 0.4rem 0 1rem;
}
.cs-final--vivid .btns { justify-content: center; }
.cs-final--vivid .cs-disclaimer {
  margin-top: 1.75rem;
  font-size: 0.8rem;
  color: rgba(247, 244, 238, 0.5);
  line-height: 1.55;
}

/* ---- Mobile ---- */
@media (max-width: 700px) {
  .cs-hero__stack { min-height: 16rem; }
  .cs-hero__card--a { width: 52%; }
  .cs-hero__card--b { width: 38%; }
  .cs-hero--vivid .cs-hero__title { max-width: none; }
  .cs-mosaic__grid { grid-template-columns: 1fr; }
  .cs-mosaic__item--lg,
  .cs-mosaic__item--wide { grid-column: auto; }
}