:root {
  --bg: #08090c;
  --surface: #101218;
  --surface-strong: #171a22;
  --text: #f7f7f2;
  --muted: #a8adba;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffd318;
  --accent-dark: #c9a500;
  --green: #25d366;
  --danger: #ff6b6b;
  --header-height: 76px;
  font-family: "Inter", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

body.is-cart-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

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

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(8, 9, 12, 0.82);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  height: var(--header-height);
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(18px, 5vw, 72px);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
  min-width: 0;
}

.brand img {
  background: #000;
  height: 44px;
  object-fit: contain;
  width: 44px;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--text);
}

.cart-trigger,
.primary-link,
.secondary-link,
.submit-order,
.whatsapp-button,
.filter-btn,
.product-button,
.quantity-btn,
.icon-button {
  align-items: center;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  min-height: 44px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.cart-trigger {
  background: var(--accent);
  color: #111;
  gap: 10px;
  padding: 0 18px;
  font-weight: 800;
}

.cart-trigger strong {
  background: #111;
  color: var(--accent);
  display: grid;
  height: 24px;
  min-width: 24px;
  padding: 0 6px;
  place-items: center;
}

.cart-trigger:hover,
.primary-link:hover,
.submit-order:hover,
.product-button:hover {
  transform: translateY(-2px);
}

.hero {
  display: grid;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  position: relative;
}

.hero::after {
  background:
    linear-gradient(90deg, rgba(8, 9, 12, 0.96) 0%, rgba(8, 9, 12, 0.74) 38%, rgba(8, 9, 12, 0.34) 100%),
    linear-gradient(180deg, rgba(8, 9, 12, 0.04) 0%, rgba(8, 9, 12, 0.52) 100%);
  content: "";
  inset: 0;
  position: absolute;
}

.hero-media {
  inset: 0;
  overflow: hidden;
  position: absolute;
}

.hero-panel {
  height: 100%;
  overflow: hidden;
  position: absolute;
  top: 0;
}

.hero-panel::after {
  background: linear-gradient(110deg, rgba(255, 211, 24, 0.95), rgba(255, 211, 24, 0.18));
  content: "";
  height: 140%;
  position: absolute;
  right: -4px;
  top: -20%;
  transform: rotate(10deg);
  width: 2px;
}

.hero-panel img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  width: 100%;
  animation: slowPush 18s ease-in-out infinite alternate;
}

.hero-panel-one {
  clip-path: polygon(0 0, 39% 0, 31% 100%, 0 100%);
  left: 0;
  width: 48%;
}

.hero-panel-two {
  clip-path: polygon(20% 0, 100% 0, 82% 100%, 0 100%);
  left: 30%;
  width: 42%;
}

.hero-panel-three {
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  right: 0;
  width: 42%;
}

.hero-panel-one img {
  object-position: center;
}

.hero-panel-two img {
  object-position: center;
  animation-delay: -4s;
}

.hero-panel-three img {
  object-position: center;
  animation-delay: -8s;
}

.hero-content {
  align-self: center;
  max-width: 720px;
  padding: 56px clamp(20px, 7vw, 88px);
  position: relative;
  z-index: 1;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 12px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(4rem, 16vw, 11rem);
  line-height: 0.86;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 5vw, 4.7rem);
  line-height: 0.98;
  margin-bottom: 0;
}

.hero-copy {
  color: #e7e7df;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.6;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-link,
.secondary-link {
  font-weight: 800;
  padding: 0 22px;
}

.primary-link {
  background: var(--accent);
  color: #111;
}

.secondary-link {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  color: var(--text);
}

.payment-note {
  align-items: center;
  background: var(--accent);
  color: #111;
  display: flex;
  gap: 12px;
  justify-content: center;
  line-height: 1.45;
  padding: 16px clamp(18px, 5vw, 72px);
  text-align: center;
}

.color-note {
  align-items: center;
  background: #0d0f14;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  gap: 18px;
  justify-content: center;
  padding: 12px clamp(18px, 5vw, 72px);
}

.color-note strong {
  color: var(--text);
  white-space: nowrap;
}

.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  justify-content: center;
}

.color-swatches span {
  align-items: center;
  display: inline-flex;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 700;
}

.color-swatches span::before {
  background: var(--swatch);
  border: 1px solid rgba(255, 255, 255, 0.34);
  content: "";
  display: inline-block;
  height: 12px;
  width: 12px;
}

.intro-section,
.catalog-section,
.custom-section,
.site-footer {
  padding: clamp(54px, 8vw, 110px) clamp(18px, 5vw, 72px);
}

.intro-section {
  align-items: end;
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
}

.steps {
  border-left: 1px solid var(--line);
  display: grid;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
}

.steps li {
  align-items: center;
  color: var(--muted);
  display: flex;
  gap: 14px;
}

.steps span {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  color: var(--accent);
  display: grid;
  flex: 0 0 38px;
  height: 38px;
  place-items: center;
  font-weight: 800;
}

.section-heading {
  align-items: end;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 34px;
}

.filter-tabs {
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  overflow: auto;
  padding: 5px;
}

.filter-btn {
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  min-height: 38px;
  padding: 0 14px;
  white-space: nowrap;
}

.filter-btn.is-active {
  background: var(--accent);
  color: #111;
}

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

.product-grid.is-grouped {
  display: block;
}

.category-section {
  margin-top: 42px;
}

.category-section:first-child {
  margin-top: 0;
}

.category-heading {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
}

.category-heading h3 {
  font-size: clamp(1.35rem, 3vw, 2.4rem);
  margin: 0;
}

.category-heading span {
  color: var(--muted);
  font-weight: 700;
}

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

.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease;
}

.product-card:hover {
  border-color: rgba(255, 211, 24, 0.55);
  transform: translateY(-4px);
}

.product-image {
  aspect-ratio: 1 / 1;
  background: #050505;
  overflow: hidden;
}

.product-image img {
  height: 100%;
  object-fit: cover;
  width: 100%;
  transition: transform 300ms ease;
}

.product-card:hover img {
  transform: scale(1.04);
}

.product-info {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
}

.product-category {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.product-info h3 {
  font-size: 1.08rem;
  line-height: 1.2;
  margin: 0;
}

.product-info p {
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.product-footer {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-top: auto;
}

.kit-calculation {
  background: rgba(255, 211, 24, 0.08);
  border: 1px solid rgba(255, 211, 24, 0.24);
  color: var(--muted);
  display: grid;
  gap: 6px;
  line-height: 1.4;
  padding: 12px;
}

.kit-calculation strong {
  color: var(--text);
}

.kit-calculation small {
  color: var(--muted);
}

.kit-gallery {
  aspect-ratio: 16 / 10;
  background: #050505;
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}

.kit-gallery-frame {
  height: 100%;
  position: relative;
}

.kit-gallery-frame img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  opacity: 0;
  position: absolute;
  transition: opacity 180ms ease, transform 220ms ease;
  width: 100%;
}

.kit-gallery-frame img.is-active {
  opacity: 1;
  transform: scale(1.01);
}

.kit-gallery-arrow {
  background: rgba(8, 9, 12, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
  cursor: pointer;
  display: grid;
  font-size: 1.6rem;
  font-weight: 800;
  height: 38px;
  place-items: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  z-index: 2;
}

.kit-gallery-prev {
  left: 8px;
}

.kit-gallery-next {
  right: 8px;
}

.kit-gallery-count {
  background: rgba(8, 9, 12, 0.82);
  bottom: 8px;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 5px 8px;
  position: absolute;
  right: 8px;
  z-index: 2;
}

.price {
  font-size: 1.05rem;
  font-weight: 800;
}

.product-button {
  background: var(--text);
  color: #111;
  font-weight: 800;
  min-width: 108px;
  padding: 0 14px;
}

.cart-panel {
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: 40;
}

.cart-panel.is-open {
  pointer-events: auto;
}

.cart-backdrop {
  background: rgba(0, 0, 0, 0.62);
  inset: 0;
  opacity: 0;
  position: absolute;
  transition: opacity 220ms ease;
}

.cart-panel.is-open .cart-backdrop {
  opacity: 1;
}

.cart-drawer {
  background: #0d0f14;
  border-left: 1px solid var(--line);
  box-shadow: -22px 0 70px rgba(0, 0, 0, 0.32);
  display: flex;
  flex-direction: column;
  height: 100%;
  margin-left: auto;
  max-width: 520px;
  overflow: auto;
  padding: 24px;
  position: relative;
  transform: translateX(104%);
  transition: transform 260ms ease;
  width: min(100%, 520px);
}

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

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

.icon-button {
  background: var(--surface-strong);
  color: var(--text);
  font-size: 1.2rem;
  height: 44px;
  width: 44px;
}

.cart-items {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

.empty-cart {
  border: 1px dashed var(--line);
  color: var(--muted);
  line-height: 1.5;
  padding: 22px;
}

.cart-item {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 12px;
  grid-template-columns: 72px 1fr;
  padding-bottom: 14px;
}

.cart-item img {
  aspect-ratio: 1 / 1;
  height: 72px;
  object-fit: cover;
  width: 72px;
}

.cart-item h3 {
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.cart-item small {
  color: var(--muted);
}

.cart-item em {
  color: var(--accent);
  display: block;
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 700;
  line-height: 1.4;
  margin-top: 6px;
}

.cart-controls {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-top: 12px;
}

.quantity-control {
  align-items: center;
  border: 1px solid var(--line);
  display: inline-flex;
  height: 38px;
}

.quantity-btn {
  background: transparent;
  color: var(--text);
  min-height: 36px;
  width: 36px;
}

.quantity-control span {
  min-width: 34px;
  text-align: center;
}

.remove-btn {
  background: transparent;
  border: 0;
  color: var(--danger);
  cursor: pointer;
  font-weight: 700;
}

.cart-summary {
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
  padding: 18px;
}

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

.cart-summary strong {
  color: var(--accent);
  font-size: 1.35rem;
}

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

.checkout-form {
  display: grid;
  gap: 14px;
}

.checkout-form label {
  color: var(--muted);
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.checkout-form input,
.checkout-form textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  outline: 0;
  padding: 13px 14px;
  resize: vertical;
  width: 100%;
}

.checkout-form input:focus,
.checkout-form textarea:focus {
  border-color: var(--accent);
}

.submit-order {
  background: var(--accent);
  color: #111;
  font-weight: 900;
  margin-top: 6px;
  width: 100%;
}

.submit-order:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.custom-section {
  align-items: start;
  background: var(--surface);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
}

.custom-copy {
  max-width: 720px;
}

.custom-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-top: 22px;
}

.custom-form {
  background: #0d0f14;
  border: 1px solid var(--line);
  display: grid;
  gap: 14px;
  padding: 22px;
}

.custom-form label {
  color: var(--muted);
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.custom-form input,
.custom-form textarea {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  color: var(--text);
  outline: 0;
  padding: 13px 14px;
  resize: vertical;
  width: 100%;
}

.custom-form input:focus,
.custom-form textarea:focus {
  border-color: var(--accent);
}

.whatsapp-inline {
  background: var(--green);
  color: #04140a;
  display: inline-flex;
  font-weight: 900;
  margin-top: 12px;
  min-height: 44px;
  padding: 0 18px;
  align-items: center;
}

.order-status {
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
  min-height: 20px;
}

.order-status.is-error {
  color: var(--danger);
}

.success-message {
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.4);
  margin-top: 18px;
  padding: 20px;
}

.success-message h3 {
  color: #8dffb8;
  margin-bottom: 8px;
}

.success-message p {
  color: var(--text);
  line-height: 1.5;
}

.whatsapp-button {
  background: var(--green);
  color: #04140a;
  font-weight: 900;
  padding: 0 18px;
  width: 100%;
}

.floating-whatsapp {
  align-items: center;
  background: var(--green);
  bottom: 18px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.34);
  color: #04140a;
  display: inline-flex;
  font-weight: 900;
  gap: 8px;
  min-height: 52px;
  padding: 0 18px 0 14px;
  position: fixed;
  right: 18px;
  z-index: 30;
}

.floating-whatsapp::before {
  align-items: center;
  background: #04140a;
  color: var(--green);
  content: "W";
  display: inline-flex;
  font-size: 0.92rem;
  font-weight: 900;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.floating-whatsapp:hover,
.whatsapp-inline:hover,
.whatsapp-button:hover {
  transform: translateY(-2px);
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  gap: 24px;
  justify-content: space-between;
}

.site-footer div {
  align-items: center;
  color: var(--text);
  display: flex;
  gap: 12px;
  font-weight: 800;
}

.site-footer img {
  background: #000;
  height: 44px;
  object-fit: contain;
  width: 44px;
}

.reveal {
  animation: revealUp 700ms ease both;
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slowPush {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.08);
  }
}

@media (max-width: 1000px) {
  .product-grid,
  .category-products {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .site-header {
    gap: 12px;
    height: auto;
    min-height: var(--header-height);
    padding: 12px 16px;
  }

  .brand span {
    display: none;
  }

  .nav-links {
    display: none;
  }

  .cart-trigger span {
    display: none;
  }

  .hero {
    min-height: 620px;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(8, 9, 12, 0.72) 0%, rgba(8, 9, 12, 0.94) 74%);
  }

  .hero-panel-one {
    clip-path: polygon(0 0, 100% 0, 82% 100%, 0 100%);
    height: 54%;
    left: 0;
    top: 0;
    width: 56%;
  }

  .hero-panel-two {
    clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
    height: 54%;
    left: auto;
    right: 0;
    top: 0;
    width: 56%;
  }

  .hero-panel-three {
    clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
    height: 58%;
    right: 0;
    top: 42%;
    width: 100%;
  }

  .hero-panel::after {
    display: none;
  }

  .hero-content {
    align-self: end;
    padding: 48px 18px;
  }

  .payment-note {
    align-items: flex-start;
    flex-direction: column;
    text-align: left;
  }

  .color-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .color-swatches {
    justify-content: flex-start;
  }

  .intro-section,
  .custom-section,
  .section-heading,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .section-heading {
    display: flex;
  }

  .filter-tabs {
    width: 100%;
  }

  .filter-btn {
    flex: 1;
  }

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

  .cart-drawer {
    padding: 20px;
  }

  .floating-whatsapp {
    bottom: 12px;
    min-height: 48px;
    padding-right: 14px;
    right: 12px;
  }

  .floating-whatsapp span {
    display: none;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: clamp(3.6rem, 22vw, 5.8rem);
  }

  .hero-actions,
  .primary-link,
  .secondary-link {
    width: 100%;
  }

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

  .cart-item {
    grid-template-columns: 62px 1fr;
  }

  .cart-item img {
    height: 62px;
    width: 62px;
  }
}