:root {
  --paper: #050507;
  --paper-strong: #10111a;
  --ink: #f7f7fb;
  --muted: #b9bac7;
  --blue: #1f6fff;
  --red: #ff263f;
  --neon: #16e8ff;
  --line: rgba(255, 255, 255, 0.16);
  --card: rgba(12, 13, 22, 0.82);
  --shadow: 0 0 28px rgba(31, 111, 255, 0.26), 0 0 44px rgba(255, 38, 63, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(31, 111, 255, 0.2), transparent 24%),
    radial-gradient(circle at 88% 8%, rgba(255, 38, 63, 0.18), transparent 26%),
    linear-gradient(90deg, rgba(22, 232, 255, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 38, 63, 0.06) 1px, transparent 1px),
    var(--paper);
  background-size: auto, auto, 34px 34px, 34px 34px, auto;
  font-family: "Space Grotesk", Arial, sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 7, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: 0 0 26px rgba(31, 111, 255, 0.16);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Oswald", Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--blue);
  border: 2px solid var(--red);
  box-shadow: 0 0 16px rgba(22, 232, 255, 0.65), 0 0 24px rgba(255, 38, 63, 0.42);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-links a {
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  color: var(--neon);
  border-color: var(--red);
  text-shadow: 0 0 12px rgba(22, 232, 255, 0.72);
}

.hero {
  min-height: calc(100vh - 75px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(44px, 7vw, 92px) clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(31, 111, 255, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(255, 38, 63, 0.13), transparent 36%);
}

.hero-content {
  max-width: 850px;
}

.kicker {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  text-shadow: 0 0 14px rgba(255, 38, 63, 0.64);
}

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

h1,
h2,
h3 {
  font-family: "Oswald", Arial, sans-serif;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(4.3rem, 13vw, 11rem);
  line-height: 0.9;
  color: var(--blue);
  text-shadow: 4px 4px 0 rgba(255, 38, 63, 0.92), 0 0 18px rgba(22, 232, 255, 0.72), 0 0 44px rgba(31, 111, 255, 0.8);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.3rem);
  line-height: 1;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.hero-copy {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.25rem, 2.2vw, 2rem);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 2px solid rgba(255, 255, 255, 0.72);
  font-weight: 800;
  text-transform: uppercase;
  box-shadow: 0 0 18px rgba(22, 232, 255, 0.22);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translate(2px, 2px);
  box-shadow: 0 0 20px rgba(255, 38, 63, 0.46), 0 0 28px rgba(22, 232, 255, 0.34);
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--red), #b40724);
  border-color: var(--red);
}

.button.ghost {
  color: var(--neon);
  background: rgba(8, 12, 20, 0.82);
  border-color: var(--blue);
}

.hero-panel {
  padding: 28px;
  border: 1px solid rgba(22, 232, 255, 0.42);
  background: linear-gradient(135deg, rgba(12, 13, 22, 0.92), rgba(20, 9, 16, 0.88));
  box-shadow: var(--shadow), inset 0 0 32px rgba(31, 111, 255, 0.12);
}

.hero-panel p {
  margin: 18px 0 0;
  font-family: "Oswald", Arial, sans-serif;
  font-size: clamp(1.65rem, 3vw, 2.8rem);
  line-height: 1.05;
  text-transform: uppercase;
}

.panel-tag,
.stock-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  color: #fff;
  background: var(--blue);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  box-shadow: 0 0 14px rgba(22, 232, 255, 0.55);
}

.section {
  padding: clamp(52px, 7vw, 96px) clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 820px;
}

.about {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(280px, 1.1fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: start;
}

.about p:not(.kicker),
.info-list,
.faq p,
.step-grid p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.filter-button {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(22, 232, 255, 0.42);
  color: var(--ink);
  background: rgba(12, 13, 22, 0.92);
  font: inherit;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-button.active,
.filter-button:hover {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 0 16px rgba(22, 232, 255, 0.42), 0 0 20px rgba(255, 38, 63, 0.28);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border: 1px solid rgba(22, 232, 255, 0.3);
  background: var(--card);
  box-shadow: 0 0 18px rgba(31, 111, 255, 0.16);
}

.product-image {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 5;
  border-bottom: 1px solid rgba(22, 232, 255, 0.22);
  background:
    linear-gradient(135deg, rgba(31, 111, 255, 0.3), transparent 44%),
    linear-gradient(315deg, rgba(255, 38, 63, 0.28), transparent 42%),
    var(--paper-strong);
  overflow: hidden;
}

.product-image span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
}

.product-image figure {
  position: absolute;
  inset: 0;
  margin: 0;
}

.product-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-image.multiple {
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.product-image.multiple figure {
  position: relative;
  inset: auto;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.product-image.multiple img {
  position: absolute;
}

.product-image figcaption {
  position: absolute;
  left: 8px;
  bottom: 8px;
  z-index: 1;
  padding: 4px 7px;
  color: #fff;
  background: rgba(5, 5, 7, 0.72);
  border: 1px solid rgba(22, 232, 255, 0.45);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card.sold-out {
  opacity: 0.66;
}

.product-card.sold-out .stock-tag {
  background: var(--red);
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
}

.product-body h3 {
  min-height: 2.4em;
}

.product-description {
  min-height: 4.5em;
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.product-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.price {
  margin: 0;
  color: var(--red);
  font-family: "Oswald", Arial, sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  text-shadow: 0 0 12px rgba(255, 38, 63, 0.52);
}

.whatsapp-button {
  margin-top: auto;
  width: 100%;
}

.whatsapp-button.disabled {
  pointer-events: none;
  color: rgba(255, 255, 255, 0.52);
  background: #272833;
  border-color: rgba(255, 255, 255, 0.2);
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-grid article {
  padding: 24px;
  border: 1px solid rgba(22, 232, 255, 0.3);
  background: var(--card);
  box-shadow: 0 0 18px rgba(31, 111, 255, 0.1);
}

.step-grid span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--red);
  font-family: "Oswald", Arial, sans-serif;
  font-size: 2rem;
  font-weight: 700;
  text-shadow: 0 0 12px rgba(255, 38, 63, 0.5);
}

.info-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(280px, 1.25fr);
  gap: clamp(24px, 5vw, 80px);
}

.info-list p {
  margin-bottom: 12px;
}

.faq {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid rgba(22, 232, 255, 0.3);
  background: var(--card);
}

summary {
  padding: 18px;
  font-weight: 800;
  cursor: pointer;
  text-transform: uppercase;
}

details p {
  margin: 0;
  padding: 0 18px 18px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 4vw, 54px);
  color: #fff;
  background: #030305;
  border-top: 1px solid rgba(255, 38, 63, 0.42);
}

.footer p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-weight: 800;
}

.footer-links a {
  color: var(--neon);
}

.cart-trigger { border: 1px solid var(--neon); background: transparent; color: var(--ink); padding: 8px 12px; font: inherit; font-weight: 800; cursor: pointer; }
.checkout-dialog { width: min(600px, calc(100vw - 24px)); color: var(--ink); background: var(--paper-strong); border: 1px solid var(--neon); }
.checkout-dialog::backdrop { background: rgba(0,0,0,.8); }.checkout-shell { display: grid; gap: 16px; padding: 24px; }.checkout-close { justify-self: end; background: none; border: 0; color: var(--ink); font-size: 2rem; }.cart-items p { display:flex; justify-content:space-between; gap:12px; border-bottom:1px solid var(--line); padding:10px 0; }
.checkout-shell label, .checkout-shell fieldset { display: grid; gap: 7px; color: var(--muted); font-weight: 700; }.checkout-shell input, .checkout-shell select { width: 100%; padding: 11px; color: var(--ink); background: #080912; border: 1px solid var(--line); font: inherit; }.checkout-shell fieldset { grid-template-columns: 1fr 1fr; border-color: var(--line); }.delivery-price { color: var(--neon); font-weight: 800; }.privacy-note { color: var(--muted); font-size: .82rem; }

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

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

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

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

@media (max-width: 560px) {
  .hero {
    min-height: auto;
  }

  h1 {
    font-size: clamp(3.4rem, 24vw, 5.4rem);
  }

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

  .footer {
    flex-direction: column;
  }
}
