:root {
  --color-navy-900: #001424;
  --color-navy-800: #001839;
  --color-navy-700: #0b2b4d;
  --color-red-700: #8c0107;
  --color-red-600: #ad0109;
  --color-red-500: #cf1b26;
  --color-blue-700: #004387;
  --color-blue-600: #0057af;
  --color-green-600: #006633;
  --color-amber-500: #f5a623;
  --color-white: #ffffff;
  --color-grey-50: #f8f8f8;
  --color-grey-100: #ececec;
  --color-grey-200: #dddddd;
  --color-grey-400: #9b9b9b;
  --color-grey-600: #585858;
  --color-ink-900: #000000;
  --color-ink-800: #1a1a1a;

  --color-primary: var(--color-navy-900);
  --color-primary-hover: var(--color-navy-800);
  --color-on-primary: var(--color-white);
  --color-secondary: var(--color-navy-800);
  --color-accent: var(--color-red-600);
  --color-accent-hover: var(--color-red-700);
  --color-on-accent: var(--color-white);
  --color-info: var(--color-blue-600);
  --color-info-hover: var(--color-blue-700);
  --color-success: var(--color-green-600);
  --color-warning: var(--color-amber-500);

  --color-background: var(--color-grey-50);
  --color-surface: var(--color-white);
  --color-surface-alt: var(--color-grey-100);
  --color-text: var(--color-ink-800);
  --color-text-strong: var(--color-ink-900);
  --color-text-muted: var(--color-grey-600);
  --color-border: var(--color-grey-200);
  --color-border-strong: var(--color-grey-400);

  --font-display: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Lato", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "VT323", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.55;

  --tracking-tight: -0.01em;
  --tracking-wide: 0.06em;
  --tracking-wider: 0.12em;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(0, 20, 36, 0.08), 0 1px 1px rgba(0, 20, 36, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 20, 36, 0.1);
  --shadow-lg: 0 16px 40px rgba(0, 20, 36, 0.16);

  --container-max: 1240px;
  --header-height: 68px;
  --focus-ring: 0 0 0 3px rgba(0, 87, 175, 0.45);

  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-info);
  text-decoration: none;
}

a:hover {
  color: var(--color-info-hover);
  text-decoration: underline;
}

ul[class],
ol[class] {
  margin: 0;
  padding: 0;
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-info);
  outline-offset: 2px;
}

::selection {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
}

.skip-link:focus {
  top: var(--space-3);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-strong);
}

h1 {
  font-size: clamp(2rem, 1.4rem + 3vw, 3.25rem);
}

h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.6vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.625rem);
}

h4 {
  font-size: var(--text-lg);
}

h5 {
  font-size: var(--text-base);
}

h6 {
  font-size: var(--text-sm);
}

p {
  margin: 0 0 var(--space-4);
}

small,
.text-sm {
  font-size: var(--text-sm);
}

.text-xs {
  font-size: var(--text-xs);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-accent);
}

.text-center {
  text-align: center;
}

.eyebrow {
  display: block;
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.stack > * + * {
  margin-top: var(--space-4);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
}

.section {
  padding-block: var(--space-7);
}

.section-alt {
  background: var(--color-surface-alt);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.section-title h2,
.section-title h3 {
  margin: 0;
}

.section-link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-on-accent);
}

.btn-secondary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-secondary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-on-primary);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text-strong);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-sm {
  min-height: 36px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-block {
  width: 100%;
}

.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-media {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  background: var(--color-grey-50);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card-body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
}

.card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
}

.card-text {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-2);
}

.product-card .card-media {
  aspect-ratio: 1 / 1;
}

.product-card .card-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-brand {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}

.product-meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-surface-alt);
  color: var(--color-text-strong);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.badge-accent {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.badge-success {
  background: var(--color-success);
  color: var(--color-white);
}

.badge-info {
  background: var(--color-info);
  color: var(--color-white);
}

.price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.price-old {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input {
  width: 100%;
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.input:focus-visible {
  outline: none;
  border-color: var(--color-info);
  box-shadow: var(--focus-ring);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--header-height);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  color: var(--color-primary);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.site-brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-size: var(--text-base);
  font-weight: 800;
}

.site-brand-name {
  color: currentColor;
}

.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle-label {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.nav-toggle-label span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.nav-toggle:checked + .nav-toggle-label {
  background: var(--color-surface-alt);
  border-color: var(--color-border-strong);
}

.site-nav {
  order: 3;
  display: none;
  flex-basis: 100%;
  padding-bottom: var(--space-3);
}

.nav-toggle:checked ~ .site-nav {
  display: block;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-strong);
  text-decoration: none;
}

.nav-link:hover {
  background: var(--color-surface-alt);
  color: var(--color-accent);
  text-decoration: none;
}

.nav-link[aria-current="page"] {
  color: var(--color-accent);
}

.header-utilities {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.utility-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-weight: 600;
  color: var(--color-text-strong);
  text-decoration: none;
}

.utility-link:hover {
  background: var(--color-surface-alt);
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer {
  margin-top: var(--space-8);
  padding-block: var(--space-7) var(--space-4);
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--text-sm);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.footer-brand {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-white);
}

.footer-tagline {
  max-width: 34ch;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.footer-heading {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-white);
}

.footer-list,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.64);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (min-width: 40em) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 48em) {
  .container {
    padding-inline: var(--space-6);
  }

  .section {
    padding-block: var(--space-8);
  }
}

@media (min-width: 60em) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .nav-toggle,
  .nav-toggle-label {
    display: none;
  }

  .site-nav {
    order: 0;
    display: block;
    flex: 1 1 auto;
    flex-basis: auto;
    padding-bottom: 0;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-1);
  }

  .nav-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
  }

  .header-utilities {
    margin-left: 0;
  }

  .footer-grid {
    grid-template-columns: 1.6fr repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}