:root {
  --background: #050505;
  --panel: #0b0b0d;
  --card: #111114;
  --red: #e50914;
  --red-hover: #ff1e2d;
  --text: #ffffff;
  --muted: #b8b8b8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, Manrope, Arial, Helvetica, sans-serif;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 28px;
  align-items: center;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--border);
  background: rgba(5, 5, 5, 0.84);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: clamp(18px, 2vw, 24px); font-weight: 850; }
.brand span, .service-card span { color: var(--red-hover); }
.site-header nav { display: flex; gap: 28px; color: var(--muted); font-size: 15px; font-weight: 850; }
.site-header nav a:hover, .sidebar a.active, .sidebar a:hover { color: var(--red-hover); }
.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 16px; }
.cart-link {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: #fff;
  padding: 0 12px;
}
.cart-link b { min-width: 22px; height: 22px; display: grid; place-items: center; border-radius: 999px; background: var(--red); }

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--red);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--red), #b70812);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(229, 9, 20, 0.26);
  transition: transform 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-2px); background: var(--red-hover); }
.button.ghost { background: rgba(255, 255, 255, 0.04); border-color: var(--border); box-shadow: none; }
.button.small { min-height: 40px; padding-inline: 18px; font-size: 14px; }

.section { width: min(1160px, calc(100% - 36px)); margin: 0 auto; padding: 78px 0; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 820px);
  gap: clamp(32px, 6vw, 82px);
  align-items: center;
  min-height: calc(100vh - 78px);
}
.hero::before, .shop-hero::before {
  content: "";
  position: absolute;
  inset: 70px 0 auto auto;
  width: 58vw;
  height: 560px;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 0 28%, rgba(229, 9, 20, 0.16) 28% 29%, transparent 29% 100%), radial-gradient(circle at 70% 30%, rgba(229, 9, 20, 0.28), transparent 42%);
  opacity: 0.72;
}
.hero-copy, .shop-hero > *, .shop-layout, .contact, .footer { position: relative; }
.eyebrow, .breadcrumb { margin: 0 0 14px; color: var(--red-hover); font-size: 13px; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 620px; margin-bottom: 22px; font-size: clamp(44px, 7vw, 78px); line-height: 0.98; }
h2 { margin-bottom: 18px; font-size: clamp(30px, 4vw, 44px); line-height: 1.06; }
h3 { font-size: 19px; }
.hero-copy > p:not(.eyebrow), .shop-hero p, .split p, .contact p, .footer p, .service-card p, .product-card p, .side-box p, .admin-panel-card p { color: var(--muted); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin: 34px 0; }
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefits article, .benefit-band article { display: grid; gap: 7px; }
.benefits span, .benefit-band span { color: var(--red-hover); font-size: 24px; }
.benefits p, .benefit-band p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

.hero-visual { min-height: 520px; display: grid; place-items: center; perspective: 1100px; }
.laptop {
  width: min(620px, 100%);
  min-height: 390px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  background: linear-gradient(145deg, #0c0c0f, #050505);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(229, 9, 20, 0.16);
  transform: rotateX(8deg) rotateY(-12deg) rotateZ(1deg);
}
.screen-top { display: flex; gap: 10px; align-items: center; margin-bottom: 20px; }
.screen-top span { margin-right: auto; font-weight: 800; }
.screen-top i { width: 9px; height: 9px; border-radius: 999px; background: var(--red); }
.screen-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.metric, .chart-line, .activity { min-height: 86px; padding: 18px; border: 1px solid var(--border); border-radius: 8px; background: rgba(255, 255, 255, 0.04); color: var(--muted); font-weight: 800; }
.metric.hot { background: linear-gradient(135deg, var(--red), #8f050c); color: #fff; }
.chart-line { grid-column: span 2; min-height: 190px; background: linear-gradient(160deg, transparent 25%, rgba(229, 9, 20, 0.42) 26% 28%, transparent 29%), rgba(255, 255, 255, 0.04); }
.activity { display: grid; gap: 14px; }
.activity span { height: 30px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); }

.centered { text-align: center; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 34px; text-align: left; }
.service-card, .product-card, .side-box, .benefit-band, .contact, .login-card, .admin-panel-card, .stats-grid article {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018));
}
.service-card, .product-card, .side-box, .admin-panel-card, .stats-grid article { padding: 24px; }
.service-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
}
.service-card a { color: var(--red-hover); font-weight: 800; }
.service-card a { margin-top: auto; }
.service-card span { display: block; margin-bottom: 32px; font-size: 28px; font-weight: 900; }
.service-icon-img {
  width: 34px;
  height: 34px;
  margin-bottom: 32px;
  filter: brightness(0) invert(1);
}
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.shop-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; min-height: 360px; }
.shop-device { height: 260px; padding: 30px; border: 1px solid rgba(229, 9, 20, 0.32); border-radius: 18px; background: radial-gradient(circle at 75% 25%, rgba(229, 9, 20, 0.24), transparent 34%), linear-gradient(145deg, #161619, #050505); box-shadow: var(--shadow); }
.shop-device span { font-size: 24px; font-weight: 900; }
.shop-device i { display: block; width: 70%; height: 18px; margin-top: 28px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); }
.shop-device i:last-child { width: 46%; background: rgba(229, 9, 20, 0.42); }
.shop-layout { display: grid; grid-template-columns: 240px 1fr; gap: 24px; padding-top: 10px; }
.sidebar { display: grid; align-content: start; gap: 16px; }
.side-box a { display: flex; width: 100%; justify-content: space-between; padding: 11px 0; color: var(--muted); }
.side-box a span { min-width: 24px; height: 24px; display: inline-grid; place-items: center; border-radius: 6px; background: rgba(255, 255, 255, 0.07); color: #fff; font-size: 12px; }
.accent-box { border-color: rgba(229, 9, 20, 0.32); }
.shop-toolbar { display: grid; grid-template-columns: 1fr minmax(160px, 230px) minmax(210px, 260px) auto; gap: 12px; align-items: center; margin-bottom: 18px; color: var(--muted); }
input, textarea, select { width: 100%; border: 1px solid var(--border); border-radius: 8px; background: rgba(255, 255, 255, 0.055); color: var(--text); padding: 13px 14px; outline: 0; }
textarea { min-height: 118px; resize: vertical; }
select option { background: #111114; }
input:focus, textarea:focus, select:focus { border-color: rgba(255, 30, 45, 0.72); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-card { position: relative; min-height: 390px; display: flex; flex-direction: column; overflow: hidden; }
.badge { position: absolute; top: 16px; left: 16px; z-index: 2; padding: 7px 10px; border-radius: 6px; background: var(--red); color: #fff; font-size: 11px; text-transform: uppercase; }
.preview-art, .product-image { width: 100%; aspect-ratio: 16 / 10; margin-bottom: 18px; border: 1px solid var(--border); border-radius: 8px; object-fit: cover; background: linear-gradient(135deg, rgba(229, 9, 20, 0.15), rgba(255, 255, 255, 0.08)); }
.preview-art { padding: 14px; }
.preview-art > span { display: block; height: 11px; margin-bottom: 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); }
.preview-art > span:nth-child(2) { width: 70%; }
.preview-art > span:nth-child(3) { width: 48%; background: rgba(229, 9, 20, 0.6); }
.preview-chart { height: 58px; display: flex; align-items: end; gap: 8px; margin-top: 18px; }
.preview-chart i { flex: 1; border-radius: 6px 6px 0 0; background: linear-gradient(180deg, var(--red-hover), #640208); }
.price-row { display: flex; align-items: center; gap: 10px; margin-top: auto; font-size: 22px; }
.price-row del { color: var(--muted); font-size: 15px; }
.card-actions { display: grid; grid-template-columns: 1fr 46px; gap: 8px; margin-top: 18px; }
.card-actions button, .admin-product button, .admin-product a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(229, 9, 20, 0.45);
  border-radius: 8px;
  background: rgba(229, 9, 20, 0.74);
  color: #fff;
  font-weight: 800;
  padding: 0 12px;
}
.icon-button { font-size: 22px; }
.benefit-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 28px; }
.benefit-band article { grid-template-columns: 38px 1fr; }
.contact { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 36px; padding: 36px; }
.contact form, .checkout-form, .product-form, .settings-form { display: grid; gap: 12px; }
.form-message, .notice { margin: 10px 0 0; color: #6dff91; }
.form-message.error, .error { color: var(--red-hover); }
.footer { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; width: min(1160px, calc(100% - 36px)); margin: 0 auto; padding: 42px 0 26px; border-top: 1px solid var(--border); }
.footer a { display: block; margin-bottom: 10px; color: var(--muted); }
.footer .brand { color: #fff; }
.footer small { grid-column: 1 / -1; text-align: center; color: #858585; }

.modal { position: fixed; inset: 0; z-index: 40; display: none; place-items: center; padding: 20px; background: rgba(0, 0, 0, 0.78); }
.modal.open { display: grid; }
.modal-card { width: min(560px, 100%); max-height: 90vh; overflow: auto; position: relative; padding: 28px; border: 1px solid var(--border); border-radius: 8px; background: #0b0b0d; box-shadow: var(--shadow); }
.modal-close { position: absolute; right: 16px; top: 16px; width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 8px; background: transparent; color: #fff; }
.cart-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.cart-row span { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }
.cart-row button { border: 1px solid var(--border); border-radius: 8px; background: transparent; color: #fff; padding: 8px 10px; }
.cart-total { display: block; margin: 18px 0; font-size: 20px; }
.empty-cart { color: var(--muted); }

.admin-login { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 70% 20%, rgba(229, 9, 20, 0.22), transparent 34%), #050505; }
.login-card { width: min(430px, 100%); display: grid; gap: 16px; padding: 32px; }
.login-card h1 { font-size: 34px; }
.login-card label { display: grid; gap: 8px; color: var(--muted); }
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 270px 1fr; background: #050505; }
.admin-sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 10px; padding: 24px; border-right: 1px solid var(--border); background: #09090b; }
.admin-sidebar .brand { margin-bottom: 28px; }
.admin-sidebar a, .admin-sidebar button { min-height: 44px; display: flex; align-items: center; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--muted); text-align: left; padding: 0 14px; width: 100%; }
.admin-sidebar a.active, .admin-sidebar a:hover, .admin-sidebar button:hover { border-color: rgba(229, 9, 20, 0.35); background: rgba(229, 9, 20, 0.12); color: #fff; }
.admin-main { min-width: 0; padding: 32px; }
.admin-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.admin-top h1 { margin: 0; font-size: clamp(30px, 4vw, 46px); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stats-grid article { display: grid; gap: 10px; }
.stats-grid span, td, th { color: var(--muted); }
.stats-grid strong { font-size: 30px; }
.admin-columns { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 18px; margin-top: 18px; }
.admin-columns.wide { grid-template-columns: minmax(330px, 0.7fr) 1.3fr; }
.sales-chart { height: 250px; display: flex; align-items: end; gap: 6px; padding-top: 24px; }
.sales-chart span { flex: 1; min-width: 5px; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, var(--red-hover), #68030a); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.product-list { display: grid; gap: 12px; }
.admin-product { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 14px; border: 1px solid var(--border); border-radius: 8px; background: rgba(255, 255, 255, 0.03); }
.admin-product p { margin: 4px 0 0; }
.inline-form { margin: 0; }

@media (max-width: 980px) {
  .site-header, .hero, .shop-hero, .split, .shop-layout, .contact, .footer, .admin-shell, .admin-columns, .admin-columns.wide { grid-template-columns: 1fr; }
  .site-header nav, .header-actions { justify-content: flex-start; flex-wrap: wrap; }
  .hero { min-height: auto; }
  .service-grid, .product-grid, .benefit-band, .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shop-toolbar { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; }
}
@media (max-width: 640px) {
  .section { width: min(100% - 28px, 1160px); padding: 52px 0; }
  .site-header { padding-inline: 14px; }
  .site-header nav { gap: 12px 18px; font-size: 14px; }
  .benefits, .service-grid, .product-grid, .benefit-band, .stats-grid, .form-row, .admin-product { grid-template-columns: 1fr; }
  .hero-visual { min-height: 340px; }
  .laptop { min-height: 300px; transform: none; }
  .screen-grid { grid-template-columns: 1fr; }
  .chart-line { grid-column: auto; }
  .contact, .login-card, .admin-main { padding: 22px; }
}

.main-nav a.active {
  color: var(--red-hover);
}

.cart-link {
  width: 42px;
  height: 42px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  position: relative;
}

.cart-link img,
.admin-sidebar img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.cart-link b {
  position: absolute;
  right: -8px;
  top: -8px;
  font-size: 12px;
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 10px;
}

.hamburger span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #fff;
  border-radius: 99px;
}

.page-hero {
  min-height: 350px;
  display: grid;
  align-content: center;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  max-width: 760px;
}

.page-hero p:not(.breadcrumb) {
  max-width: 680px;
  color: var(--muted);
  line-height: 1.75;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 24px;
}

.card-actions a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(229, 9, 20, 0.45);
  border-radius: 8px;
  background: rgba(229, 9, 20, 0.74);
  color: #fff;
  font-weight: 800;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 46px;
  align-items: start;
}

.product-detail .preview-art,
.detail-image {
  width: 100%;
  aspect-ratio: 16 / 11;
  min-height: 360px;
}

.detail-copy h1 {
  font-size: clamp(38px, 5vw, 62px);
}

.detail-copy > p {
  color: var(--muted);
  line-height: 1.8;
}

.detail-price {
  margin: 22px 0;
  font-size: 30px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0;
}

.detail-panel {
  margin-top: 20px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.portfolio-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018));
}

.portfolio-card img,
.portfolio-card .preview-art {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  margin-bottom: 18px;
}

.portfolio-meta {
  display: grid;
  gap: 8px;
  margin: 16px 0;
  color: #fff;
  font-weight: 800;
}

.cart-page {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 0.8fr);
  gap: 22px;
}

.legal-content {
  max-width: 900px;
}

.legal-content h2 {
  margin-top: 26px;
  font-size: 26px;
}

.legal-content p {
  color: var(--muted);
  line-height: 1.8;
}

.qty-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qty-actions button {
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  padding: 0 10px;
}

.admin-sidebar a,
.admin-sidebar button {
  gap: 10px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
  }

  .hamburger {
    display: block;
    justify-self: end;
  }

  .main-nav {
    display: none !important;
    grid-column: 1 / -1;
    flex-direction: column;
    gap: 0 !important;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #0b0b0d;
  }

  .main-nav.open {
    display: flex !important;
  }

  .main-nav a {
    padding: 12px;
  }

  .header-actions {
    grid-column: auto;
  }

  .header-contact {
    display: none;
  }

  .product-detail,
  .cart-page {
    grid-template-columns: 1fr;
  }

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

  .section-heading {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .product-detail .preview-art,
  .detail-image {
    min-height: 240px;
  }

  .cart-row,
  .qty-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}