:root {
  color-scheme: dark;
  --bg: #050816;
  --bg-soft: #090f23;
  --panel: rgba(13, 21, 45, 0.84);
  --panel-solid: #0c142c;
  --line: rgba(148, 163, 184, 0.18);
  --text: #eef5ff;
  --muted: #94a3b8;
  --blue: #38bdf8;
  --purple: #8b5cf6;
  --green: #34d399;
  --danger: #fb7185;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(56, 189, 248, 0.15), transparent 28%),
    radial-gradient(circle at 84% 14%, rgba(139, 92, 246, 0.14), transparent 25%),
    linear-gradient(160deg, #03050d 0%, #070b18 50%, #060a16 100%);
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 72px);
  background: rgba(5, 8, 22, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.3);
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
}

nav {
  display: flex;
  gap: 22px;
  color: #cbd5e1;
}

nav a:hover {
  color: white;
}

.cart-button,
.primary-button,
.secondary-button,
.checkout-button,
.newsletter button {
  border: 0;
  border-radius: 14px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.cart-button:hover,
.primary-button:hover,
.secondary-button:hover,
.checkout-button:hover,
.newsletter button:hover {
  transform: translateY(-2px);
}

.cart-button {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 15px;
  color: white;
  background: #111a35;
  border: 1px solid var(--line);
}

.cart-button span {
  display: grid;
  min-width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 999px;
  background: var(--blue);
  color: #03111c;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  align-items: center;
  gap: clamp(30px, 7vw, 100px);
  min-height: 650px;
  padding: 90px clamp(20px, 7vw, 110px);
}

.eyebrow {
  display: block;
  margin-bottom: 13px;
  color: var(--blue);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.hero h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 6.7rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.hero-content > p {
  max-width: 720px;
  margin: 28px 0;
  color: #b7c3d8;
  font-size: 1.13rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-button,
.secondary-button {
  padding: 15px 20px;
}

.primary-button {
  color: #03111c;
  background: linear-gradient(135deg, #67e8f9, #38bdf8);
  box-shadow: 0 15px 40px rgba(56, 189, 248, 0.24);
}

.secondary-button {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 28px;
  color: #a9b8ce;
  font-size: 0.91rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  padding: 34px;
  border: 1px solid rgba(56, 189, 248, 0.24);
  border-radius: 30px;
  background:
    linear-gradient(150deg, rgba(56, 189, 248, 0.09), rgba(139, 92, 246, 0.07)),
    var(--panel);
  box-shadow: var(--shadow);
}

.hero-panel::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.16) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-panel > * {
  position: relative;
  z-index: 2;
}

.hero-panel span {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.hero-panel strong {
  display: block;
  margin-top: 105px;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  line-height: 0.9;
  color: var(--green);
}

.hero-panel p {
  max-width: 320px;
  color: #b8c4d8;
  line-height: 1.6;
}

.scanner {
  position: absolute;
  top: 0;
  left: -20%;
  width: 140%;
  height: 2px;
  background: var(--green);
  box-shadow: 0 0 25px var(--green);
  animation: scan 4s linear infinite;
}

@keyframes scan {
  from { transform: translateY(20px); }
  to { transform: translateY(340px); }
}

.section {
  padding: 80px clamp(20px, 7vw, 110px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 35px;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.045em;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.category {
  min-height: 155px;
  padding: 20px;
  text-align: left;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.025);
}

.category:hover,
.category.active {
  border-color: rgba(56, 189, 248, 0.55);
  background: rgba(56, 189, 248, 0.09);
  transform: translateY(-3px);
}

.category span,
.category strong,
.category small {
  display: block;
}

.category span {
  margin-bottom: 25px;
  font-size: 1.6rem;
}

.category small {
  margin-top: 7px;
  color: var(--muted);
}

.products-section {
  background: rgba(255, 255, 255, 0.015);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.products-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 35px;
}

.search-box {
  display: flex;
  align-items: center;
  min-width: min(100%, 330px);
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.035);
}

.search-box input {
  width: 100%;
  padding: 14px 11px;
  color: white;
  border: 0;
  outline: 0;
  background: transparent;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 19px;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.16);
  transition: transform 180ms ease, border-color 180ms ease;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.42);
}

.product-visual {
  position: relative;
  display: grid;
  min-height: 205px;
  place-items: center;
  font-size: 4.8rem;
  background:
    radial-gradient(circle at center, rgba(56, 189, 248, 0.19), transparent 48%),
    linear-gradient(145deg, #0b1430, #080d1d);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #041018;
  background: var(--green);
  font-size: 0.72rem;
  font-weight: 900;
}

.product-content {
  padding: 19px;
}

.product-category {
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-content h3 {
  min-height: 50px;
  margin: 9px 0 6px;
}

.product-content p {
  min-height: 63px;
  color: var(--muted);
  line-height: 1.5;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 13px;
  margin-top: 18px;
}

.product-price {
  font-size: 1.35rem;
  font-weight: 900;
}

.add-button {
  padding: 11px 14px;
  color: #03111c;
  border: 0;
  border-radius: 12px;
  background: var(--blue);
  font-weight: 900;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.benefits article {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: var(--panel);
}

.benefits article > span {
  color: var(--purple);
  font-size: 2rem;
  font-weight: 900;
}

.benefits p {
  color: var(--muted);
  line-height: 1.7;
}

.newsletter {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  margin: 25px clamp(20px, 7vw, 110px) 80px;
  padding: 45px;
  border: 1px solid rgba(139, 92, 246, 0.32);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(56, 189, 248, 0.08)),
    var(--panel);
}

.newsletter p {
  color: var(--muted);
}

.newsletter form {
  display: flex;
  gap: 10px;
}

.newsletter input {
  min-width: 270px;
  padding: 14px;
  color: white;
  border: 1px solid var(--line);
  border-radius: 13px;
  outline: 0;
  background: #080e20;
}

.newsletter button {
  padding: 14px 18px;
  color: #07111c;
  background: var(--green);
}

.form-message {
  grid-column: 1 / -1;
  margin: 0;
}

footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.3fr;
  gap: 40px;
  padding: 45px clamp(20px, 7vw, 110px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

footer strong {
  display: block;
  margin-bottom: 10px;
  color: white;
}

footer a {
  color: var(--blue);
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 60;
  display: flex;
  width: min(440px, 94vw);
  height: 100vh;
  flex-direction: column;
  padding: 25px;
  background: #080e20;
  border-left: 1px solid var(--line);
  box-shadow: -25px 0 80px rgba(0, 0, 0, 0.48);
  transform: translateX(110%);
  transition: transform 220ms ease;
}

.cart-drawer.open {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.icon-button {
  width: 42px;
  height: 42px;
  color: white;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  font-size: 1.8rem;
}

.cart-items {
  flex: 1;
  overflow: auto;
  margin: 22px 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 55px 1fr auto;
  align-items: center;
  gap: 13px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.cart-item-icon {
  display: grid;
  height: 55px;
  place-items: center;
  border-radius: 14px;
  background: #101a35;
  font-size: 1.6rem;
}

.cart-item small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
}

.remove-button {
  color: var(--danger);
  border: 0;
  background: transparent;
}

.cart-summary {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.cart-summary > div {
  display: flex;
  justify-content: space-between;
  font-size: 1.2rem;
}

.checkout-button {
  width: 100%;
  margin: 20px 0 12px;
  padding: 15px;
  color: #03111c;
  background: linear-gradient(135deg, var(--green), #6ee7b7);
}

.cart-summary small {
  color: var(--muted);
  line-height: 1.5;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  visibility: hidden;
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  transition: opacity 180ms ease;
}

.overlay.show {
  visibility: visible;
  opacity: 1;
}

.toast {
  position: fixed;
  right: 25px;
  bottom: 25px;
  z-index: 80;
  max-width: 360px;
  padding: 14px 18px;
  color: #041018;
  border-radius: 14px;
  background: var(--green);
  font-weight: 800;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(25px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 55px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 20px;
}

@media (max-width: 1100px) {
  nav {
    display: none;
  }

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

  .hero-panel {
    min-height: 300px;
  }

  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 700px) {
  .topbar {
    padding: 13px 16px;
  }

  .brand small {
    display: none;
  }

  .cart-button {
    font-size: 0;
  }

  .cart-button span {
    font-size: 0.9rem;
  }

  .hero {
    min-height: auto;
    padding: 65px 20px;
  }

  .hero h1 {
    font-size: 3.15rem;
  }

  .trust-row {
    display: grid;
  }

  .section {
    padding: 58px 20px;
  }

  .category-grid,
  .product-grid,
  .benefits {
    grid-template-columns: 1fr;
  }

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

  .newsletter {
    grid-template-columns: 1fr;
    margin: 15px 20px 55px;
    padding: 25px;
  }

  .newsletter form {
    flex-direction: column;
  }

  .newsletter input {
    min-width: 0;
    width: 100%;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 35px 20px;
  }
}