:root {
  --crowns-gradient: linear-gradient(135deg, #3f7cf5 0%, #6ec5ff 100%);
  --crowns-dark: #0b1a2f;
  --crowns-light: #f5f8ff;
  --crowns-border: rgba(11, 26, 47, 0.12);
  --crowns-shadow: 0 20px 45px -25px rgba(11, 26, 47, 0.45);
  --crowns-radius: 20px;
}

.hero--crowns {
  padding: clamp(5rem, 8vw, 7rem) clamp(1.5rem, 5vw, 4rem);
  background: radial-gradient(circle at top left, rgba(111, 206, 255, 0.25), transparent 55%),
              radial-gradient(circle at bottom right, rgba(63, 124, 245, 0.25), transparent 45%),
              #ffffff;
  position: relative;
  overflow: hidden;
}

.hero--crowns::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(63, 124, 245, 0.12), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(110, 197, 255, 0.12), transparent 55%);
  opacity: 1;
  pointer-events: none;
}

.hero--crowns .hero-grid {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  position: relative;
  z-index: 1;
}

.hero--crowns .hero-title {
  font-size: clamp(2.5rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--crowns-dark);
  line-height: 1.1;
}

.hero--crowns .hero-title span {
  background: var(--crowns-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero--crowns .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  font-size: 0.85rem;
  color: rgba(11, 26, 47, 0.6);
}

.hero--crowns .hero-sub {
  margin-top: 1.25rem;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: #24344d;
  max-width: 52ch;
}

.hero--crowns .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.hero--crowns .stat-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--crowns-border);
  border-radius: var(--crowns-radius);
  padding: 1.4rem 1.6rem;
  box-shadow: var(--crowns-shadow);
  backdrop-filter: blur(6px);
}

.hero--crowns .stat-card h3 {
  font-size: 2rem;
  margin: 0;
}

.hero--crowns .stat-card p {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  color: #4c5c73;
}

.material-insight {
  padding: clamp(3.5rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 4rem);
  background: linear-gradient(135deg, rgba(63, 124, 245, 0.08), rgba(110, 197, 255, 0.18));
}

.material-insight__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(2rem, 5vw, 3rem);
  align-items: start;
}

.material-insight .lead {
  font-size: 1.15rem;
  color: #1f2d44;
  margin-bottom: 1.5rem;
}

.material-insight__bullets {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.7rem;
  color: #394b68;
  font-size: 1rem;
}

.material-palette {
  display: grid;
  gap: 1.2rem;
}

.palette-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--crowns-radius);
  border: 1px solid rgba(63, 124, 245, 0.18);
  padding: 1.4rem 1.6rem;
  box-shadow: 0 28px 45px -36px rgba(11, 26, 47, 0.6);
  position: relative;
  overflow: hidden;
}

.palette-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(63, 124, 245, 0.18), transparent 70%);
  opacity: 0.4;
  pointer-events: none;
}

.palette-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: var(--crowns-dark);
}

.palette-card p {
  margin: 0;
  font-size: 0.98rem;
  color: #3b4d6c;
}

.palette-card span {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: #1f4a7a;
  font-weight: 600;
}

.cta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero--crowns .cta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

.cta-strip a,
.cta-strip button {
  background: var(--crowns-dark);
  color: #fff;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-strip a:hover,
.cta-strip a:focus-visible,
.cta-strip button:hover,
.cta-strip button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px -20px rgba(11, 26, 47, 0.65);
}

.cta-strip .outline {
  background: transparent;
  color: var(--crowns-dark);
  border: 1px solid rgba(11, 26, 47, 0.25);
}

.gallery-section {
  padding: clamp(4rem, 7vw, 5.5rem) clamp(1.5rem, 5vw, 4rem);
  background: var(--crowns-light);
}

.lab-showcase {
  padding: clamp(3.5rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 4rem);
  background: #fff;
}

.lab-showcase__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: stretch;
}

.lab-video {
  position: relative;
  border-radius: var(--crowns-radius);
  overflow: hidden;
  box-shadow: var(--crowns-shadow);
  background: #000;
  aspect-ratio: 16 / 9;
}

.lab-video iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.lab-highlights {
  background: rgba(63, 124, 245, 0.06);
  border: 1px solid rgba(63, 124, 245, 0.18);
  border-radius: var(--crowns-radius);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--crowns-shadow);
  display: grid;
  gap: 1rem;
}

.lab-highlights h3 {
  margin: 0;
  color: var(--crowns-dark);
  font-size: 1.4rem;
}

.lab-highlights ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #3a4c68;
  font-size: 0.98rem;
  display: grid;
  gap: 0.5rem;
}

.section-header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--crowns-dark);
  margin: 0;
}

.section-header p {
  font-size: 1.05rem;
  max-width: 70ch;
  color: #40506a;
}

.crown-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.75rem;
}

.crown-card {
  background: #fff;
  border-radius: var(--crowns-radius);
  border: 1px solid rgba(63, 124, 245, 0.16);
  overflow: hidden;
  display: grid;
  gap: 0.85rem;
  padding: 1.3rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.crown-card:hover,
.crown-card:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--crowns-shadow);
}

.crown-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 16px;
}

.crown-card h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--crowns-dark);
}

.crown-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #4a5a73;
  font-size: 0.95rem;
  display: grid;
  gap: 0.35rem;
}

.crown-card button {
  justify-self: start;
  background: var(--crowns-gradient);
  color: #0b1a2f;
  border: none;
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.25s ease;
}

.crown-card button:hover,
.crown-card button:focus-visible {
  transform: translateY(-2px);
}

.matrix-section {
  padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
  background: #ffffff;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 55px -40px rgba(11, 26, 47, 0.55);
}

.matrix-table thead {
  background: var(--crowns-gradient);
  color: #0b1a2f;
}

.matrix-table th,
.matrix-table td {
  padding: 1.1rem;
  text-align: left;
  border-bottom: 1px solid rgba(11, 26, 47, 0.08);
  font-size: 0.98rem;
}

.matrix-table tbody tr:nth-child(even) {
  background: rgba(245, 248, 255, 0.6);
}

.matrix-table caption {
  caption-side: bottom;
  padding-top: 1rem;
  font-size: 0.9rem;
  color: #5b6b84;
}

.why-section {
  padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
  background: linear-gradient(180deg, rgba(63, 124, 245, 0.08) 0%, rgba(110, 197, 255, 0.18) 100%);
}

.why-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.why-card {
  background: #fff;
  border-radius: 18px;
  padding: 1.5rem;
  border: 1px solid rgba(11, 26, 47, 0.08);
  box-shadow: 0 20px 40px -32px rgba(11, 26, 47, 0.6);
}

.why-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--crowns-dark);
}

.why-card ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: #41506a;
  display: grid;
  gap: 0.45rem;
  font-size: 0.97rem;
}

.aftercare-section {
  padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
  background: #0b1a2f;
  color: #f8fbff;
}

.aftercare-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.aftercare-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.aftercare-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.aftercare-card ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.85);
}

.workflow-section {
  padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
  background: var(--crowns-light);
}

.workflow-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.workflow-step {
  position: relative;
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(11, 26, 47, 0.1);
  padding: 1.6rem;
  box-shadow: 0 25px 45px -35px rgba(11, 26, 47, 0.55);
  display: grid;
  gap: 0.75rem;
}

.workflow-step .step-index {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  text-transform: uppercase;
  color: rgba(11, 26, 47, 0.55);
}

.workflow-step h3 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--crowns-dark);
}

.workflow-step p {
  margin: 0;
  color: #445672;
  font-size: 0.97rem;
}

.workflow-step .step-detail {
  font-size: 0.85rem;
  color: #0d46a1;
  font-weight: 600;
}

.compare-section {
  padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
  background: #ffffff;
}

.table-scroll {
  overflow-x: auto;
  border-radius: 24px;
}

.compare-controls {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 2rem;
}

.compare-controls label {
  display: grid;
  gap: 0.5rem;
  font-weight: 600;
  color: #20314a;
}

.compare-controls select {
  border-radius: 12px;
  border: 1px solid rgba(11, 26, 47, 0.2);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background: var(--crowns-light);
}

.compare-visual {
  display: grid;
  justify-items: center;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 6vw, 3.5rem);
}

.compare-visual__note {
  font-size: 0.9rem;
  color: rgba(32, 49, 74, 0.7);
  text-align: center;
}

.compare-visual .slideshow {
  position: relative;
  width: 300px;
  height: 400px;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.compare-visual .slideshow .slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  transform: rotateY(270deg);
  transform-style: preserve-3d;
  animation: compareAnimate 40s linear infinite;
  animation-delay: calc(var(--i) * 4s);
  animation-fill-mode: both;
  will-change: transform;
  transition: transform 0.6s ease, opacity 0.6s ease;
}

@keyframes compareAnimate {
  0% {
    transform: rotateY(270deg);
  }

  10%,
  100% {
    transform: rotateY(90deg);
  }
}

.compare-visual .slideshow:hover .slide {
  animation-play-state: paused;
}

.compare-visual .slideshow:hover .slide[data-slot="A"] {
  transform: rotateY(90deg) translateX(-160px) translateZ(0) scale(0.97);
}

.compare-visual .slideshow:hover .slide[data-slot="B"] {
  transform: rotateY(90deg) translateX(160px) translateZ(0) scale(0.97);
}

@media (max-width: 640px) {
  .compare-visual .slideshow:hover .slide[data-slot="A"] {
    transform: rotateY(90deg) translateX(-110px) scale(0.95);
  }

  .compare-visual .slideshow:hover .slide[data-slot="B"] {
    transform: rotateY(90deg) translateX(110px) scale(0.95);
  }
}

.compare-visual .slideshow .slide img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}

.compare-visual .slideshow .slide img[hidden] {
  display: none;
}

.compare-visual .slideshow .slide h2 {
  position: relative;
  z-index: 1000;
  font-size: 2em;
  transform: rotateY(180deg) translateY(100px) translateZ(50px);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  font-weight: 900;
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #ff6ec4 0%, #7873f5 35%, #4ade80 70%, #ffd166 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 4px 10px rgba(15, 26, 47, 0.25));
}

.compare-visual .slideshow .slide h2 span {
  position: absolute;
  top: 50%;
  left: 0;
  font-size: 2em;
  font-weight: 300;
  transform: translateZ(50px);
  backface-visibility: hidden;
  background: linear-gradient(135deg, #42a5f5 0%, #7e57c2 40%, #ffb74d 80%, #ff6ec4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 35px 60px -40px rgba(11, 26, 47, 0.55);
}

.compare-table thead {
  background: var(--crowns-gradient);
  color: #0b1a2f;
}

.compare-table th,
.compare-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(11, 26, 47, 0.08);
  font-size: 0.98rem;
}

.compare-table tbody tr:nth-child(odd) {
  background: rgba(245, 248, 255, 0.7);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.conditions-section {
  padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
  background: var(--crowns-light);
}

.conditions-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.condition-card {
  background: #fff;
  border-radius: 18px;
  padding: 1.5rem;
  border: 1px solid rgba(63, 124, 245, 0.18);
  box-shadow: 0 20px 40px -32px rgba(11, 26, 47, 0.45);
}

.condition-card h3 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--crowns-dark);
}

.condition-card ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: #485a74;
  display: grid;
  gap: 0.45rem;
  font-size: 0.95rem;
}

.bridge-section {
  padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
  background: #ffffff;
}

.bridge-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.bridge-card {
  border-radius: 18px;
  padding: 1.5rem;
  border: 1px solid rgba(11, 26, 47, 0.1);
  box-shadow: 0 25px 45px -38px rgba(11, 26, 47, 0.5);
  background: #fff;
}

.bridge-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--crowns-dark);
}

.bridge-card ul {
  margin: 0.9rem 0 0;
  padding-left: 1.15rem;
  color: #425371;
  display: grid;
  gap: 0.4rem;
}

.pricing-banner {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border-radius: 18px;
  background: rgba(63, 124, 245, 0.08);
  border: 1px dashed rgba(11, 26, 47, 0.25);
  color: #20314a;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 26, 47, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1.5rem;
}

.modal-backdrop[aria-hidden="false"] {
  display: flex;
}

.modal-content {
  background: #fff;
  border-radius: 20px;
  max-width: min(720px, 100%);
  width: 100%;
  padding: 1.5rem;
  box-shadow: 0 30px 60px -35px rgba(0, 0, 0, 0.6);
  position: relative;
}

.modal-content img {
  width: 100%;
  border-radius: 16px;
  margin-bottom: 1rem;
}

.modal-content h3 {
  margin: 0 0 0.5rem;
  color: var(--crowns-dark);
}

.modal-content p {
  margin: 0;
  color: #43536e;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  border: none;
  background: rgba(11, 26, 47, 0.08);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 1.1rem;
}

@media (max-width: 640px) {
  .hero--crowns {
    padding-top: 4rem;
  }

  .hero--crowns .cta-strip {
    flex-direction: column;
  }

  .crown-card img {
    height: 160px;
  }
}