:root {
  --primary: #0e4a52;
  --primary-light: #147a80;
  --accent: #00e6c3;
  --accent-glow: #5ffbe4;
  --accent-light: rgba(0, 230, 195, 0.12);
  --warning: #f6ad3c;
  --text: #e9f5f3;
  --text-secondary: #9fb8b4;
  --text-tertiary: #5f7d79;
  --bg: #060d14;
  --bg-soft: #0a1620;
  --bg-elevated: #101f2c;
  --bg-dark: #03070b;
  --border: rgba(0, 230, 195, 0.14);
  --border-strong: rgba(0, 230, 195, 0.32);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.6), 0 0 30px -12px rgba(0, 230, 195, 0.12);
  --shadow-lg: 0 30px 70px -20px rgba(0, 0, 0, 0.7), 0 0 50px -15px rgba(0, 230, 195, 0.15);
  --glow: 0 0 28px rgba(0, 230, 195, 0.5);
  --accent-violet: #a78bfa;
  --radius: 1.25rem;
  --radius-sm: 0.625rem;
  --header-height: 5.25rem;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(600px circle at 12% 18%, rgba(0, 230, 195, 0.055) 0%, transparent 60%),
    radial-gradient(500px circle at 88% 8%, rgba(95, 251, 228, 0.04) 0%, transparent 55%),
    radial-gradient(700px circle at 50% 95%, rgba(0, 230, 195, 0.04) 0%, transparent 60%);
}

body > * {
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.topbar {
  background: var(--bg-dark);
  color: rgba(233, 245, 243, 0.75);
  font-size: 0.8125rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 230, 195, 0.08);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.topbar-links {
  display: flex;
  gap: 1.25rem;
}

.topbar a {
  color: #fff;
  font-weight: 500;
  transition: color var(--transition);
}

.topbar a:hover {
  color: var(--accent);
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(6, 13, 20, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition), background var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(6, 13, 20, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.logo-img {
  height: 64px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  display: block;
}

.logo-shine {
  position: relative;
  display: inline-block;
  overflow: hidden;
  border-radius: 0.5rem;
}

.logo-shine::after {
  content: '';
  position: absolute;
  inset: -40% -20%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 42%, rgba(255, 255, 255, 0.35) 48%, rgba(0, 230, 195, 0.55) 50%, rgba(255, 255, 255, 0.35) 52%, transparent 58%);
  animation: sweepLight 7s ease-in-out infinite;
  mix-blend-mode: screen;
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  position: relative;
  display: grid;
  place-items: center;
}

.logo-icon::after {
  content: '';
  width: 1rem;
  height: 1rem;
  border: 2px solid #fff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 6s linear infinite;
}

.logo-text span {
  color: var(--accent);
}

.nav-list {
  display: flex;
  gap: 1.75rem;
}

.nav-list a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.25rem 0;
  position: relative;
  transition: color var(--transition);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--accent);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  width: 100%;
}

/* Dropdown menu */
.has-dropdown {
  position: relative;
}

.has-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-icon {
  transition: transform var(--transition);
  opacity: 0.7;
}

.has-dropdown:hover .dropdown-icon,
.has-dropdown.open .dropdown-icon {
  transform: rotate(180deg);
}

.dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 100;
}

.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown li {
  list-style: none;
}

.dropdown a {
  display: block;
  padding: 0.6rem 0.85rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-radius: 0.5rem;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.dropdown a:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.dropdown a::after {
  display: none;
}

.menu-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.9375rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-glow) 100%);
  color: #04141a;
  box-shadow: 0 6px 20px rgba(0, 230, 195, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 10px 30px rgba(0, 230, 195, 0.42), var(--glow);
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent);
  color: #04141a;
  box-shadow: var(--glow);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  text-shadow: 0 0 16px rgba(0, 230, 195, 0.4);
}

.text-gradient {
  background: linear-gradient(90deg, var(--primary-light) 0%, var(--accent) 55%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.section-header {
  margin-bottom: 3rem;
  text-align: left;
}

.section-header h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-header.center {
  text-align: center;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 42rem;
  margin: 1rem auto 0;
}

.center {
  text-align: center;
}

.hidden-mobile {
  display: inline-flex;
}

/* Hero Slider */
.hero-slider {
  position: relative;
  height: 650px;
  overflow: hidden;
  background: var(--bg-dark);
  isolation: isolate;
}

@keyframes driftParticles {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-1.5%, -2%); }
}

@keyframes sweepLight {
  0% { transform: translateX(-30%); }
  50% { transform: translateX(10%); }
  100% { transform: translateX(-30%); }
}

.slider-container {
  position: absolute;
  inset: 0;
  width: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.1) translateX(2.5%);
  filter: blur(3px);
  transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1.35s cubic-bezier(0.16, 1, 0.3, 1),
              filter 1s ease,
              visibility 1.1s;
  z-index: 1;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

.slide::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(3px 3px at 15% 25%, rgba(0, 230, 195, 0.9), transparent),
    radial-gradient(2px 2px at 32% 68%, rgba(95, 251, 228, 0.75), transparent),
    radial-gradient(2.5px 2.5px at 58% 18%, rgba(0, 230, 195, 0.6), transparent),
    radial-gradient(2px 2px at 74% 55%, rgba(95, 251, 228, 0.8), transparent),
    radial-gradient(3px 3px at 88% 32%, rgba(0, 230, 195, 0.55), transparent),
    radial-gradient(2px 2px at 46% 82%, rgba(0, 230, 195, 0.7), transparent),
    radial-gradient(2.5px 2.5px at 22% 88%, rgba(95, 251, 228, 0.5), transparent);
  animation: driftParticles 18s ease-in-out infinite;
  opacity: 0.8;
}

.slide::after {
  content: '';
  position: absolute;
  inset: -20%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 40%, rgba(0, 230, 195, 0.06) 48%, rgba(95, 251, 228, 0.1) 50%, rgba(0, 230, 195, 0.06) 52%, transparent 60%);
  animation: sweepLight 7s ease-in-out infinite;
  mix-blend-mode: screen;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateX(0);
  filter: blur(0);
  z-index: 2;
  pointer-events: auto;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  transition: transform 6s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1);
}

.slide.active .slide-bg {
  transform: scale(1.08);
}

.slide-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(3, 7, 11, 0.94) 0%, rgba(6, 13, 20, 0.8) 45%, rgba(6, 13, 20, 0.35) 100%);
  z-index: 1;
}

.slide-bg-1 {
  background: radial-gradient(circle at 72% 45%, rgba(0, 230, 195, 0.32) 0%, transparent 50%),
              linear-gradient(135deg, #03080c 0%, #0a1a1e 100%);
}

.slide-bg-2 {
  background: radial-gradient(circle at 80% 40%, rgba(255, 92, 92, 0.28) 0%, transparent 45%),
              linear-gradient(135deg, #04090c 0%, #14090a 100%);
}

.slide-bg-4 {
  background: radial-gradient(circle at 75% 45%, rgba(56, 189, 248, 0.3) 0%, transparent 45%),
              linear-gradient(135deg, #030a10 0%, #06141c 100%);
}

.slide-bg-5 {
  background: radial-gradient(circle at 75% 45%, rgba(167, 139, 250, 0.3) 0%, transparent 45%),
              linear-gradient(135deg, #08060f 0%, #140f24 100%);
}

.slide-bg-6 {
  background: radial-gradient(circle at 75% 45%, rgba(147, 112, 246, 0.3) 0%, transparent 45%),
              linear-gradient(135deg, #08060f 0%, #150e26 100%);
}

.slide-bg-3 {
  background: radial-gradient(circle at 75% 45%, rgba(251, 146, 60, 0.28) 0%, transparent 45%),
              linear-gradient(135deg, #0a0704 0%, #1c1206 100%);
}

.slide-bg-7 {
  background: radial-gradient(circle at 75% 45%, rgba(251, 191, 36, 0.28) 0%, transparent 45%),
              linear-gradient(135deg, #0a0704 0%, #1c1608 100%);
}

.slide-bg-8 {
  background: radial-gradient(circle at 75% 45%, rgba(129, 140, 248, 0.34) 0%, transparent 45%),
              linear-gradient(135deg, #0a0a1c 0%, #16143a 100%);
}

.slide-content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.slide-product {
  flex-shrink: 0;
  width: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float-product 6s ease-in-out infinite;
  opacity: 0;
}

.slide.active .slide-product {
  animation: productPop 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s both,
             float-product 6s ease-in-out infinite 1.15s;
}

.slide-product img {
  max-width: 100%;
  max-height: 600px;
  filter: drop-shadow(0 40px 70px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 60px rgba(0, 230, 195, 0.18));
  transform: perspective(1000px) rotateY(-12deg) rotateX(6deg) scale(1.15);
  transition: transform var(--transition);
}

.slide-product img:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.2);
}

@keyframes float-product {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

@keyframes productPop {
  0% { opacity: 0; transform: scale(0.72) rotate(-10deg) translateY(30px); }
  100% { opacity: 1; transform: scale(1) rotate(0) translateY(0); }
}

.slide-text {
  max-width: 640px;
  color: #fff;
}

.slide-text > * {
  opacity: 0;
  transform: translateY(26px);
}

.slide.active .slide-text > * {
  animation: textReveal 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.slide.active .slide-text .eyebrow { animation-delay: 0.2s; }
.slide.active .slide-text h1,
.slide.active .slide-text .slide-heading { animation-delay: 0.34s; }
.slide.active .slide-text p { animation-delay: 0.5s; }
.slide.active .slide-text .btn { animation-delay: 0.66s; }

@keyframes textReveal {
  to { opacity: 1; transform: translateY(0); }
}

.slide-text .eyebrow {
  color: var(--accent);
}

.slide-text h1,
.slide-text .slide-heading {
  font-family: 'Manrope', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.slide-text p {
  font-size: 1.125rem;
  color: rgba(233, 245, 243, 0.8);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: rgba(0, 230, 195, 0.06);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.slider-arrow:hover {
  background: rgba(0, 230, 195, 0.16);
  border-color: var(--accent);
  box-shadow: var(--glow);
  transform: translateY(-50%) scale(1.08);
}

.slider-arrow svg {
  width: 1.25rem;
  height: 1.25rem;
}

.slider-prev {
  left: 1.5rem;
}

.slider-next {
  right: 1.5rem;
}

.slider-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 0.6rem;
}

.slider-dots button {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  border: none;
  background: rgba(233, 245, 243, 0.25);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), width var(--transition);
}

.slider-dots button.active {
  background: var(--accent);
  transform: scale(1.2);
  box-shadow: 0 0 12px rgba(0, 230, 195, 0.7);
}

/* Trust Bar */
.trust-bar {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.trust-item {
  text-align: center;
  padding: 0 1rem;
}

.trust-item strong {
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.trust-item span {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* About / Technology */
.about {
  padding: 6rem 0;
  background: var(--bg);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-visual {
  display: flex;
  justify-content: center;
}

.tech-card {
  position: relative;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, var(--bg-elevated) 0%, var(--bg-soft) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 80px rgba(0, 230, 195, 0.08), inset 0 0 60px rgba(0, 230, 195, 0.04);
}

.tech-ring {
  position: relative;
  width: 240px;
  height: 240px;
  border: 2px solid rgba(0, 230, 195, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse-ring 4s ease-in-out infinite;
}

.tech-core {
  width: 5rem;
  height: 5rem;
  background: radial-gradient(circle at 30% 30%, var(--accent-glow), var(--primary));
  border-radius: 50%;
  box-shadow: 0 0 60px rgba(0, 230, 195, 0.5);
  position: relative;
}

.tech-core::before,
.tech-core::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(0, 230, 195, 0.55);
  box-shadow: 0 0 16px rgba(0, 230, 195, 0.6);
}

.tech-core::before {
  width: 1.25rem;
  height: 1.25rem;
  top: -3.5rem;
  left: 3rem;
}

.tech-core::after {
  width: 0.875rem;
  height: 0.875rem;
  bottom: -3rem;
  right: 2rem;
}

.tech-badges {
  position: absolute;
  inset: 0;
  animation: spin 24s linear infinite;
}

.tech-badge {
  position: absolute;
  padding: 0.5rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.tech-badge:nth-child(1) {
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.tech-badge:nth-child(2) {
  bottom: 20%;
  left: 8%;
}

.tech-badge:nth-child(3) {
  bottom: 20%;
  right: 8%;
}

.about-content h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.check-list {
  margin-bottom: 2rem;
}

.check-list li {
  padding-left: 1.75rem;
  position: relative;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Products */
.products {
  padding: 6rem 0;
  background: var(--bg-soft);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}

.product-color {
  height: 8px;
}

.product-image {
  height: 240px;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.product-image::before {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 230, 195, 0.18) 0%, rgba(0, 230, 195, 0) 70%);
  opacity: 0.8;
  z-index: 0;
}

.product-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
  transition: transform var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.05) translateY(-4px);
}

.color-cardio { background: linear-gradient(90deg, #ef4444, #b91c1c); }
.color-derma { background: linear-gradient(90deg, #d97706, #b45309); }
.color-ophta { background: linear-gradient(90deg, #0ea5e9, #0369a1); }
.color-ortho { background: linear-gradient(90deg, #22c55e, #15803d); }
.color-neuro { background: linear-gradient(90deg, #8b5cf6, #6d28d9); }
.color-tissue { background: linear-gradient(90deg, #ec4899, #be185d); }
.color-exoart { background: linear-gradient(90deg, #6366f1, #4338ca); }

.product-body {
  padding: 1.75rem;
}

.product-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.product-body h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.product-body p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.product-features {
  margin-bottom: 1.25rem;
}

.product-features li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Indications Tabs */
.indications {
  padding: 6rem 0;
  background: var(--bg);
}

.tabs {
  max-width: 900px;
  margin: 0 auto;
}

.tab-list {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.tab-btn {
  flex-shrink: 0;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 9999px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.tab-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tab-btn.active {
  background: var(--accent);
  color: #04141a;
  border-color: var(--accent);
  box-shadow: var(--glow);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-content.active {
  display: block;
}

.tab-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.indication-list li {
  padding: 1rem 1rem 1rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  color: var(--text);
  font-weight: 500;
}

.indication-list li::before {
  content: '✓';
  position: absolute;
  left: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

.tab-info {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.tab-info strong {
  display: block;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.tab-info p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Science */
.science {
  padding: 6rem 0;
  background: var(--bg-dark);
  color: #fff;
}

.science-inner {
  max-width: 900px;
  margin: 0 auto;
}

.science .eyebrow {
  color: var(--accent);
}

.science h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.science p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2.5rem;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.spec-item {
  background: rgba(0, 230, 195, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.spec-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.spec-label {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.5rem;
}

.spec-value {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  color: #fff;
}

/* Other Areas */
.other-areas {
  padding: 6rem 0;
  background: var(--bg-soft);
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.area-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.area-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}

.area-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.area-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.area-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.area-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* Contact */
.contact {
  padding: 6rem 0;
  background: var(--bg);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact-details {
  display: grid;
  gap: 1.25rem;
}

.contact-item .contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 0.25rem;
}

.contact-item a,
.contact-item p {
  font-size: 1rem;
  color: var(--text);
}

.contact-item a:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg-elevated);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-tertiary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 230, 195, 0.14);
}

.form-status {
  margin-top: 1rem;
  font-size: 0.9375rem;
  min-height: 1.5rem;
}

.form-status.success {
  color: var(--accent);
}

.form-status.error {
  color: #f87171;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: rgba(233, 245, 243, 0.72);
  padding: 4rem 0 1.5rem;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  margin-bottom: 1.25rem;
  color: #fff;
}

.footer-brand .logo-img {
  height: 76px;
  max-width: 280px;
}

.footer-brand p {
  max-width: 22rem;
  line-height: 1.7;
  font-size: 0.9375rem;
}

.footer-menu h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.footer-menu li {
  margin-bottom: 0.625rem;
}

.footer-menu a,
.footer-menu p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.footer-menu a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-icons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-icons a {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.social-icons a:hover {
  background: var(--accent);
  color: #04141a;
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

.social-icons svg {
  width: 1.1rem;
  height: 1.1rem;
}

.footer-bottom p {
  font-size: 0.875rem;
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 3rem;
  height: 3rem;
  background: var(--primary);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-light);
}

.back-to-top svg {
  width: 1.25rem;
  height: 1.25rem;
}

.whatsapp-float {
  position: fixed;
  left: 1.5rem;
  bottom: 1.5rem;
  width: 3.25rem;
  height: 3.25rem;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow), 0 0 0 0 rgba(37, 211, 102, 0.55);
  z-index: 999;
  transition: transform 0.2s ease, background 0.2s ease;
  animation: whatsappPulse 2.6s ease-out infinite;
}

@keyframes whatsappPulse {
  0% { box-shadow: var(--shadow), 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70% { box-shadow: var(--shadow), 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: var(--shadow), 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-float:hover {
  background: #1ebe57;
  transform: translateY(-2px);
}

.whatsapp-float svg {
  width: 1.75rem;
  height: 1.75rem;
}

/* Animations */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1024px) {
  .slide-content {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 2rem;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .slide-text {
    max-width: 100%;
  }

  .slide-product {
    width: 280px;
  }

  .slide-product img {
    max-height: 280px;
    transform: none;
  }

  .slide-product img:hover {
    transform: none;
  }

  .slide-text h1,
  .slide-text .slide-heading {
    font-size: 2.75rem;
  }

  .products-grid,
  .area-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .spec-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 4.5rem;
  }

  .logo-img {
    height: 40px;
  }

  .hidden-mobile {
    display: none !important;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    clip-path: inset(0 0 100% 0);
    opacity: 0;
    visibility: hidden;
    transition: clip-path var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav.open {
    clip-path: inset(0 0 0 0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .nav-list a {
    display: block;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
  }

  .has-dropdown > a {
    justify-content: space-between;
  }

  .dropdown-icon {
    width: 12px;
    height: 8px;
  }

  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    background: var(--bg-elevated);
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    min-width: auto;
    border-bottom: 1px solid var(--border);
  }

  .has-dropdown.open .dropdown {
    display: block;
    transform: none;
  }

  .dropdown a {
    padding: 0.85rem 2rem;
    border-bottom: none;
  }

  .dropdown a::after {
    display: none;
  }

  .hero-slider {
    height: auto;
    min-height: 700px;
  }

  .slide-content {
    flex-direction: column-reverse;
    justify-content: center;
    text-align: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    padding-bottom: 3rem;
  }

  .slide-text {
    max-width: 100%;
  }

  .slide-text h1,
  .slide-text .slide-heading {
    font-size: 2rem;
  }

  .slide-product {
    width: 220px;
  }

  .slide-product img {
    max-height: 220px;
    transform: none;
  }

  .slide-product img:hover {
    transform: none;
  }

  .slider-arrow {
    display: none;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .about-inner,
  .contact-inner,
  .tab-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-content h2,
  .science h2,
  .contact-info h2 {
    font-size: 1.875rem;
  }

  .tech-card {
    width: 280px;
    height: 280px;
  }

  .tech-ring {
    width: 180px;
    height: 180px;
  }

  .products-grid,
  .area-grid,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .tab-list {
    gap: 0.4rem;
  }

  .tab-btn {
    padding: 0.6rem 1rem;
    font-size: 0.8125rem;
  }

  .section-header h2 {
    font-size: 1.875rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}