:root {
  --bg: #07111f;
  --bg-soft: #10243b;
  --panel: rgba(10, 25, 46, 0.78);
  --panel-strong: rgba(12, 34, 58, 0.92);
  --line: rgba(151, 229, 218, 0.22);
  --emerald: #1fd6a4;
  --emerald-deep: #0f9f7a;
  --yellow: #ffe66d;
  --blue: #69b7ff;
  --violet: #a47dff;
  --white: #f8fcff;
  --muted: #b7c9dc;
  --shadow: 0 18px 40px rgba(2, 10, 20, 0.45);
  --radius: 26px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Tajawal", sans-serif;
  color: var(--white);
  background:
    radial-gradient(circle at top right, rgba(31, 214, 164, 0.18), transparent 30%),
    radial-gradient(circle at bottom left, rgba(164, 125, 255, 0.18), transparent 25%),
    linear-gradient(135deg, #050c17, #0a1830 40%, #061221 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 55%, transparent 95%);
}

body::after {
  background:
    radial-gradient(circle at 15% 20%, rgba(105, 183, 255, 0.12), transparent 22%),
    radial-gradient(circle at 80% 18%, rgba(255, 230, 109, 0.1), transparent 18%),
    radial-gradient(circle at 72% 84%, rgba(31, 214, 164, 0.12), transparent 25%);
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

button,
a {
  font: inherit;
}

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 38px;
  position: relative;
}

.bubbles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.bubbles span {
  position: absolute;
  bottom: -80px;
  left: var(--left);
  width: var(--size);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.55), rgba(105, 183, 255, 0.08));
  box-shadow: 0 0 18px rgba(255, 230, 109, 0.18);
  animation: bubble-rise 12s linear infinite;
  animation-delay: var(--delay);
}

.hero,
.product-card,
.info-grid article,
.site-footer,
.periodic-strip,
.section-heading {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero {
  border-radius: 34px;
  padding: 28px;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0.6;
  clip-path: polygon(25% 7%, 75% 7%, 100% 50%, 75% 93%, 25% 93%, 0 50%);
}

.hero::before {
  left: -40px;
  top: 70px;
  background: linear-gradient(180deg, rgba(31, 214, 164, 0.08), transparent);
}

.hero::after {
  right: -50px;
  bottom: -20px;
  background: linear-gradient(180deg, rgba(164, 125, 255, 0.12), transparent);
}

.topbar,
.hero-grid,
.hero-actions,
.hero-stats,
.product-meta,
.site-footer,
.brand,
.info-grid {
  display: flex;
}

.topbar,
.product-meta,
.site-footer,
.brand,
.info-grid {
  align-items: center;
}

.topbar,
.site-footer {
  justify-content: space-between;
}

.topbar {
  gap: 16px;
  margin-bottom: 34px;
}

.brand {
  gap: 16px;
}

.brand-badge,
.periodic-card span,
.periodic-strip div,
.mini-label,
.eyebrow,
.tag {
  font-family: "Orbitron", sans-serif;
}

.brand-badge {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 20px;
  color: var(--yellow);
  font-weight: 700;
  background: linear-gradient(145deg, rgba(105, 183, 255, 0.18), rgba(31, 214, 164, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0 24px rgba(255, 255, 255, 0.04);
}

.eyebrow,
.mini-label {
  letter-spacing: 0.08em;
  color: var(--emerald);
  text-transform: uppercase;
  margin: 0 0 6px;
  font-size: 0.8rem;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.hero-grid {
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}

.hero-copy {
  flex: 1.15;
}

.hero-copy h2 {
  font-size: clamp(2.4rem, 4vw, 4.5rem);
  margin-bottom: 18px;
  max-width: 11ch;
}

.hero-copy h2 span {
  color: var(--yellow);
  text-shadow: 0 0 24px rgba(255, 230, 109, 0.25);
}

.lead,
.section-heading p,
.product-info p,
.site-footer p,
.info-grid p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions {
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0;
}

.cta,
.product-meta button {
  border: none;
  text-decoration: none;
  color: #04111d;
  background: linear-gradient(135deg, var(--yellow), #ffd04e);
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  box-shadow: 0 10px 24px rgba(255, 208, 78, 0.22);
  cursor: pointer;
}

.cta:hover,
.product-meta button:hover {
  transform: translateY(-3px);
}

.cta.secondary,
.cta.ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: none;
}

.hero-stats {
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats article {
  min-width: 130px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stats strong {
  display: block;
  font-size: 1.6rem;
  color: var(--blue);
  margin-bottom: 4px;
}

.hero-stats span,
.product-info p,
.info-grid p,
.site-footer p {
  font-size: 0.98rem;
}

.lab-panel {
  flex: 0.9;
  min-height: 470px;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    linear-gradient(160deg, rgba(8, 24, 42, 0.86), rgba(17, 48, 78, 0.8));
  border: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
}

.lab-panel::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 24px;
  border: 1px dashed rgba(255, 255, 255, 0.11);
}

.periodic-card {
  position: absolute;
  top: 34px;
  width: 90px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
}

.periodic-card:nth-child(1) { right: 28px; }
.periodic-card:nth-child(2) { right: 132px; top: 88px; }
.periodic-card:nth-child(3) { right: 236px; top: 34px; }

.periodic-card span {
  font-size: 1.55rem;
  color: var(--yellow);
}

.periodic-card small {
  color: var(--muted);
}

.periodic-card.active {
  background: linear-gradient(180deg, rgba(31, 214, 164, 0.2), rgba(164, 125, 255, 0.14));
  box-shadow: 0 0 28px rgba(31, 214, 164, 0.18);
}

.flask {
  position: absolute;
  bottom: 28px;
  width: 140px;
  height: 230px;
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-top: none;
  clip-path: polygon(34% 0, 66% 0, 68% 18%, 86% 82%, 14% 82%, 32% 18%);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.03);
}

.flask-left { right: 48px; }
.flask-right {
  left: 48px;
  transform: scale(0.82) translateY(12px);
}

.flask::before {
  content: "";
  position: absolute;
  top: -26px;
  left: 50%;
  width: 34px;
  height: 38px;
  transform: translateX(-50%);
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-bottom: none;
  border-radius: 14px 14px 0 0;
}

.liquid {
  position: absolute;
  inset: auto 14px 18px;
  height: 44%;
  border-radius: 0 0 28px 28px;
  background: linear-gradient(180deg, rgba(255, 230, 109, 0.95), rgba(31, 214, 164, 0.72));
  overflow: hidden;
  animation: liquid-wave 4s ease-in-out infinite;
}

.liquid::before,
.liquid::after {
  content: "";
  position: absolute;
  top: -18px;
  width: 120px;
  height: 40px;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 45%;
}

.liquid::before {
  right: -10px;
  animation: swirl 5s linear infinite;
}

.liquid::after {
  left: -14px;
  opacity: 0.45;
  animation: swirl 7s linear infinite reverse;
}

.molecule-cluster {
  position: absolute;
  inset: auto 0 24px 0;
  margin: auto;
  width: 220px;
  height: 220px;
}

.atom,
.bond {
  position: absolute;
}

.atom {
  width: 28px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, var(--violet));
  box-shadow: 0 0 18px rgba(164, 125, 255, 0.35);
}

.atom:nth-child(1) { top: 30px; right: 92px; }
.atom:nth-child(2) { top: 100px; right: 28px; background: radial-gradient(circle at 30% 30%, #fff, var(--emerald)); box-shadow: 0 0 18px rgba(31, 214, 164, 0.35); }
.atom:nth-child(3) { top: 162px; right: 96px; background: radial-gradient(circle at 30% 30%, #fff, var(--yellow)); box-shadow: 0 0 18px rgba(255, 230, 109, 0.35); }
.atom:nth-child(4) { top: 100px; right: 158px; background: radial-gradient(circle at 30% 30%, #fff, var(--blue)); box-shadow: 0 0 18px rgba(105, 183, 255, 0.35); }

.bond {
  height: 3px;
  background: linear-gradient(90deg, rgba(255,255,255,0.15), rgba(255,255,255,0.6));
  transform-origin: right center;
}

.bond-a { width: 88px; top: 114px; right: 64px; transform: rotate(-36deg); }
.bond-b { width: 80px; top: 118px; right: 104px; transform: rotate(36deg); }
.bond-c { width: 80px; top: 118px; right: 110px; transform: rotate(180deg); }

.periodic-strip {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 34px;
  padding: 14px;
  border-radius: 24px;
}

.periodic-strip div {
  display: grid;
  place-items: center;
  min-height: 58px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.08);
}

.section-heading {
  margin-bottom: 24px;
  border-radius: 28px;
  padding: 24px;
}

.section-heading h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 12px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  border-radius: var(--radius);
  overflow: hidden;
}

.product-card.featured {
  grid-column: span 2;
}

.image-frame {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.product-card.featured .image-frame {
  height: 280px;
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(4, 16, 28, 0.72));
}

.tag {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 230, 109, 0.92);
  color: #031019;
  font-size: 0.75rem;
}

.product-info {
  padding: 20px;
}

.product-info h4 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.product-meta {
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}

.price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--yellow);
}

.info-grid {
  gap: 22px;
  margin: 28px 0;
}

.info-grid article {
  flex: 1;
  min-width: 0;
  padding: 24px;
  border-radius: 24px;
  display: block;
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  font-size: 1.4rem;
  margin-bottom: 14px;
  color: var(--yellow);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255,255,255,0.1);
}

.site-footer {
  gap: 20px;
  border-radius: 28px;
  padding: 24px;
  margin-bottom: 24px;
}

.site-footer h4 {
  font-size: 1.6rem;
  margin-bottom: 0;
}

@keyframes bubble-rise {
  0% {
    transform: translate3d(0, 0, 0) scale(0.7);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  100% {
    transform: translate3d(24px, -115vh, 0) scale(1.25);
    opacity: 0;
  }
}

@keyframes liquid-wave {
  0%, 100% {
    height: 44%;
    filter: hue-rotate(0deg);
  }
  50% {
    height: 48%;
    filter: hue-rotate(20deg);
  }
}

@keyframes swirl {
  from { transform: rotate(0deg) translateX(0); }
  to { transform: rotate(360deg) translateX(8px); }
}

@media (max-width: 1100px) {
  .hero-grid,
  .info-grid,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .periodic-strip {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(1200px, calc(100% - 20px));
  }

  .hero,
  .section-heading,
  .site-footer {
    padding: 20px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .brand {
    align-items: flex-start;
  }

  .hero-copy h2 {
    max-width: none;
    font-size: 2.4rem;
  }

  .lab-panel {
    min-height: 400px;
  }

  .periodic-card:nth-child(3) {
    right: 190px;
  }

  .products-grid,
  .periodic-strip {
    grid-template-columns: 1fr;
  }

  .product-card.featured {
    grid-column: auto;
  }

  .product-card.featured .image-frame,
  .image-frame {
    height: 240px;
  }

  .product-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .flask-left { right: 22px; }
  .flask-right { left: 22px; }
}