/* Precision Current Design Tokens */
:root {
  /* Core palette */
  --color-void-black: #0a0c10;
  --color-graphite: #0f1218;
  --color-carbon: #141820;
  --color-elevated: #1a1f2a;
  --color-signal-cyan: #00d4ff;
  --color-copper: #c8956c;
  --color-signal-white: #f0f2f5;
  --color-steel: #8a8f98;

  /* Semantic colors */
  --color-bg-primary: var(--color-void-black);
  --color-bg-secondary: var(--color-graphite);
  --color-surface: var(--color-carbon);
  --color-surface-elevated: var(--color-elevated);
  --color-text-primary: var(--color-signal-white);
  --color-text-secondary: var(--color-steel);
  --color-border: rgb(240 242 245 / 14%);
  --color-border-strong: rgb(0 212 255 / 42%);
  --color-success: #34d399;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: var(--color-signal-cyan);

  /* Typography */
  --font-display: "Tektur", "Segoe UI", sans-serif;
  --font-body: "Instrument Sans", "Inter", sans-serif;
  --font-mono: "Geist Mono", "IBM Plex Mono", monospace;
  --font-ui: "Jura", "Instrument Sans", sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2.125rem;
  --font-size-3xl: clamp(2.625rem, 6vw, 3.25rem);
  --font-size-4xl: clamp(3.25rem, 9vw, 5.5rem);

  --line-height-tight: 1.1;
  --line-height-heading: 1.2;
  --line-height-body: 1.6;

  --tracking-tight: -0.02em;
  --tracking-base: 0;
  --tracking-wide: 0.08em;

  /* Spacing (8px base) */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;

  /* Radius */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-round: 999px;

  /* Shadows and glows */
  --shadow-panel: 0 14px 40px rgb(0 0 0 / 45%);
  --shadow-card: 0 8px 30px rgb(0 0 0 / 38%);
  --shadow-lift: 0 16px 44px rgb(0 0 0 / 55%);
  --glow-cyan-soft: 0 0 0 1px rgb(0 212 255 / 22%), 0 0 18px rgb(0 212 255 / 20%);
  --glow-cyan-strong: 0 0 0 1px rgb(0 212 255 / 36%), 0 0 30px rgb(0 212 255 / 33%);
  --glow-copper-soft: 0 0 0 1px rgb(200 149 108 / 28%), 0 0 20px rgb(200 149 108 / 24%);

  /* Motion */
  --duration-fast: 0.2s;
  --duration-base: 0.3s;
  --duration-slow: 0.4s;
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-emphasis: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: all var(--duration-fast) var(--ease-standard);
  --transition-base: all var(--duration-base) var(--ease-standard);
  --transition-slow: all var(--duration-slow) var(--ease-emphasis);

  /* Layering */
  --z-base: 1;
  --z-dropdown: 50;
  --z-sticky: 100;
  --z-overlay: 200;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1360px;
  --grid-columns: 12;
  --grid-gap: clamp(0.875rem, 2vw, 1.5rem);

  /* Breakpoints */
  --bp-xs: 20rem;   /* 320px */
  --bp-sm: 30rem;   /* 480px */
  --bp-md: 48rem;   /* 768px */
  --bp-lg: 64rem;   /* 1024px */
  --bp-xl: 90rem;   /* 1440px */
  --bp-2xl: 120rem; /* 1920px */
}

:root[data-theme="light"] {
  --color-bg-primary: #e8edf2;
  --color-bg-secondary: #f5f8fb;
  --color-surface: #ffffff;
  --color-surface-elevated: #f2f6fb;
  --color-text-primary: #101319;
  --color-text-secondary: #4d5968;
  --color-border: rgb(13 26 39 / 16%);
}

/* Modern reset with accessibility defaults */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

textarea {
  resize: vertical;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

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

button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@font-face {
  font-family: "Tektur";
  src: url("/assets/fonts/tektur-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Tektur";
  src: url("/assets/fonts/tektur-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/assets/fonts/instrument-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/assets/fonts/instrument-sans-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/assets/fonts/instrument-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/assets/fonts/instrument-sans-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("/assets/fonts/geist-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("/assets/fonts/geist-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("/assets/fonts/geist-mono-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Jura";
  src: url("/assets/fonts/jura-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Jura";
  src: url("/assets/fonts/jura-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Jura";
  src: url("/assets/fonts/jura-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

html {
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  line-height: var(--line-height-body);
  color: var(--color-text-primary);
  background:
    radial-gradient(circle at 12% 18%, rgb(0 212 255 / 7%), transparent 35%),
    radial-gradient(circle at 85% 12%, rgb(200 149 108 / 6%), transparent 28%),
    var(--color-bg-primary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  line-height: var(--line-height-heading);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1,
h2 {
  text-transform: uppercase;
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h3 {
  font-family: var(--font-body);
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h4 {
  font-family: var(--font-body);
  font-size: var(--font-size-xl);
  font-weight: 600;
}

p,
li {
  color: var(--color-text-secondary);
}

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

strong {
  color: var(--color-text-primary);
}

code,
pre,
.text-mono,
.part-number {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.text-ui {
  font-family: var(--font-ui);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
}

.text-gradient--signal {
  background: linear-gradient(130deg, var(--color-signal-white) 10%, var(--color-signal-cyan) 55%, var(--color-copper) 100%);
  -webkit-background-clip: text;
  color: transparent;
}

.text-lead {
  font-size: var(--font-size-lg);
  max-width: 66ch;
}

.text-caption {
  font-size: var(--font-size-sm);
  color: var(--color-steel);
}

.link-inline {
  color: var(--color-signal-cyan);
  text-decoration: underline;
  text-decoration-color: rgb(0 212 255 / 45%);
  text-underline-offset: 0.25em;
  transition: var(--transition-fast);
}

.link-inline:hover,
.link-inline:focus-visible {
  text-decoration-color: var(--color-signal-cyan);
  text-shadow: 0 0 10px rgb(0 212 255 / 30%);
}


/* Premium typography refinements */
h1 {
  letter-spacing: -0.028em;
  text-wrap: pretty;
}

h2 {
  letter-spacing: -0.018em;
}

.text-lead {
  font-size: clamp(1.05rem, 1.2vw, 1.24rem);
  max-width: 62ch;
}

.text-ui--muted {
  font-family: var(--font-ui);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  color: rgb(138 143 152 / 92%);
}

/* Containers */
.l-container {
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

.l-container--wide {
  width: min(100% - 2rem, var(--container-wide));
}

.l-section {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.l-surface {
  background: var(--color-bg-secondary);
}

/* Grid system */
.l-grid {
  display: grid;
  gap: var(--grid-gap);
}

.l-grid--12 {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.l-grid--2,
.l-grid--3,
.l-grid--4 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 48rem) {
  .l-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .l-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .l-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .l-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .l-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Utilities */
.u-flex {
  display: flex;
}

.u-flex-wrap {
  flex-wrap: wrap;
}

.u-items-center {
  align-items: center;
}

.u-justify-between {
  justify-content: space-between;
}

.u-gap-sm { gap: var(--space-sm); }
.u-gap-md { gap: var(--space-md); }
.u-gap-lg { gap: var(--space-lg); }

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

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.u-mt-md { margin-top: var(--space-md); }
.u-mt-lg { margin-top: var(--space-lg); }
.u-mt-xl { margin-top: var(--space-xl); }

.u-mb-md { margin-bottom: var(--space-md); }
.u-mb-lg { margin-bottom: var(--space-lg); }
.u-mb-xl { margin-bottom: var(--space-xl); }

.u-p-md { padding: var(--space-md); }
.u-p-lg { padding: var(--space-lg); }
.u-p-xl { padding: var(--space-xl); }

.u-border-top {
  border-top: 1px solid var(--color-border);
}

.u-border-bottom {
  border-bottom: 1px solid var(--color-border);
}

.u-bg-surface {
  background: var(--color-surface);
}

/* Responsive helpers */
@media (max-width: 47.99rem) {
  .u-hide-mobile {
    display: none !important;
  }
}

@media (min-width: 48rem) {
  .u-hide-desktop {
    display: none !important;
  }
}


/* Premium rhythm overrides */
.l-section {
  padding-block: clamp(2.4rem, 6vw, 4.8rem);
}

.l-container {
  width: min(100% - 2rem, 80rem);
}

.l-surface {
  background:
    linear-gradient(180deg, rgb(18 23 33 / 68%), rgb(11 15 22 / 72%)),
    var(--color-bg-secondary);
}

/* Buttons */
.btn {
  --btn-bg: transparent;
  --btn-border: var(--color-border);
  --btn-color: var(--color-text-primary);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 2.75rem;
  padding: 0.625rem 1rem;
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  color: var(--btn-color);
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: var(--transition-base);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn--primary {
  --btn-bg: linear-gradient(140deg, rgb(0 212 255 / 20%), rgb(0 212 255 / 8%));
  --btn-border: rgb(0 212 255 / 58%);
  --btn-color: var(--color-signal-white);
  box-shadow: var(--glow-cyan-soft);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  box-shadow: var(--glow-cyan-strong);
}

.btn--secondary {
  --btn-bg: linear-gradient(140deg, rgb(200 149 108 / 22%), rgb(200 149 108 / 8%));
  --btn-border: rgb(200 149 108 / 65%);
  box-shadow: var(--glow-copper-soft);
}

.btn--ghost {
  --btn-border: rgb(240 242 245 / 32%);
}

.btn__icon {
  inline-size: 1rem;
  block-size: 1rem;
}

/* Cards */
.card {
  position: relative;
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgb(255 255 255 / 2%), transparent 40%),
    var(--color-surface);
  box-shadow: var(--shadow-card);
  transition: var(--transition-slow);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  pointer-events: none;
  transition: var(--transition-base);
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-lift);
}

.card:hover::after,
.card:focus-within::after {
  border-color: rgb(0 212 255 / 36%);
  box-shadow: inset 0 0 24px rgb(0 212 255 / 14%);
}

.card--glass {
  background: rgb(18 24 34 / 62%);
  backdrop-filter: blur(16px);
}

.category-card__icon,
.product-card__icon {
  inline-size: 2.75rem;
  block-size: 2.75rem;
  color: var(--color-signal-cyan);
}

.product-card__meta {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-signal-white);
}

/* Form system */
.form {
  display: grid;
  gap: var(--space-md);
}

.form__row {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 48rem) {
  .form__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.form__group {
  display: grid;
  gap: var(--space-xs);
}

.form__label {
  font-family: var(--font-ui);
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-signal-white);
}

.form__input,
.form__textarea,
.form__select {
  min-height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.75rem;
  background: rgb(255 255 255 / 2%);
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.form__textarea {
  min-height: 8rem;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgb(138 143 152 / 82%);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: rgb(0 212 255 / 55%);
  box-shadow: 0 0 0 3px rgb(0 212 255 / 14%);
  outline: none;
}

.form__hint,
.form__error,
.form__success {
  font-size: var(--font-size-xs);
}

.form__error {
  color: var(--color-danger);
}

.form__success {
  color: var(--color-success);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  min-height: 1.75rem;
  padding: 0.125rem 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-round);
  font-family: var(--font-ui);
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.badge--stock {
  border-color: rgb(52 211 153 / 32%);
  color: #6ee7b7;
  background: rgb(52 211 153 / 12%);
}

.badge--rfq {
  border-color: rgb(0 212 255 / 34%);
  color: var(--color-signal-cyan);
  background: rgb(0 212 255 / 11%);
}

.badge--warning {
  border-color: rgb(245 158 11 / 35%);
  color: #fbbf24;
  background: rgb(245 158 11 / 12%);
}

/* Loader */
.loader {
  inline-size: 2rem;
  block-size: 2rem;
  border-radius: 50%;
  border: 2px solid rgb(0 212 255 / 20%);
  border-top-color: var(--color-signal-cyan);
  animation: spin 0.8s linear infinite;
}

.loader--line {
  inline-size: 100%;
  block-size: 2px;
  background: linear-gradient(90deg, transparent, var(--color-signal-cyan), transparent);
  animation: pulse-line 1.8s linear infinite;
}

/* Glass navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.navbar--glass {
  border-bottom: 1px solid rgb(240 242 245 / 12%);
  background: rgb(10 12 16 / 68%);
  backdrop-filter: blur(20px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: var(--space-md);
}

.navbar__menu {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.navbar__toggle {
  display: inline-flex;
  color: var(--color-signal-cyan);
}

@media (min-width: 64rem) {
  .navbar__menu {
    display: flex;
  }

  .navbar__toggle {
    display: none;
  }
}

/* Filter toolbar */
.filter-toolbar {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(20 24 32 / 80%);
}

@media (min-width: 48rem) {
  .filter-toolbar {
    grid-template-columns: 1fr auto auto;
    align-items: center;
  }
}


/* Shared page architecture */
.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-signal-white);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-signal-white);
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.navbar__drawer {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: rgb(10 12 16 / 92%);
}

@media (min-width: 64rem) {
  .navbar__drawer {
    display: none;
  }
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(160deg, rgb(0 212 255 / 10%), transparent 40%),
    linear-gradient(130deg, rgb(200 149 108 / 10%), transparent 55%),
    var(--color-surface);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.hero-stats {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

@media (min-width: 48rem) {
  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.hero-stat {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgb(255 255 255 / 2%);
}

.hero-stat strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--color-signal-cyan);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  color: var(--color-steel);
  font-family: var(--font-ui);
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.breadcrumb a {
  color: var(--color-signal-cyan);
}

.breadcrumb__sep {
  color: rgb(138 143 152 / 65%);
}

.page-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 64rem) {
  .page-grid {
    grid-template-columns: minmax(250px, 290px) minmax(0, 1fr);
  }
}

.filter-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(20 24 32 / 90%);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-lg);
  position: sticky;
  top: 6rem;
  align-self: start;
}

.filter-group {
  display: grid;
  gap: var(--space-xs);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.filter-option input {
  accent-color: var(--color-signal-cyan);
}

.product-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 40rem) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 75rem) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 96rem) {
  .product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.product-card {
  display: grid;
  gap: var(--space-sm);
}

.product-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.product-card__thumb {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgb(255 255 255 / 2%);
}

.product-card__thumb img {
  inline-size: 1.5rem;
  block-size: 1.5rem;
}

.product-card__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-steel);
}

.product-card__brand img {
  inline-size: auto;
  block-size: 0.95rem;
}

.section-title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.related-grid,
.coverage-grid,
.industry-grid,
.benefits-grid,
.service-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 48rem) {
  .related-grid,
  .coverage-grid,
  .industry-grid,
  .benefits-grid,
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 75rem) {
  .related-grid,
  .industry-grid,
  .benefits-grid,
  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .coverage-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.faq-list {
  display: grid;
  gap: var(--space-md);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  background: rgb(255 255 255 / 2%);
}

.cta-banner {
  border: 1px solid rgb(0 212 255 / 35%);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgb(0 212 255 / 14%), rgb(0 212 255 / 4%));
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  padding-block: var(--space-2xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 48rem) {
  .footer-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.disclaimer-box {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  border: 1px solid rgb(200 149 108 / 42%);
  border-radius: var(--radius-sm);
  background: rgb(200 149 108 / 8%);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.empty-state {
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: rgb(0 212 255 / 6%);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.spec-table td,
.spec-table th {
  border: 1px solid var(--color-border);
  padding: var(--space-sm);
  text-align: left;
}

.spec-table th {
  color: var(--color-signal-white);
  background: rgb(255 255 255 / 4%);
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tab-chip {
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-round);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  font-family: var(--font-ui);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.table-wrap {
  overflow-x: auto;
}


/* Product page refinements */
.nav-links a[aria-current="page"] {
  color: var(--color-signal-cyan);
}

.tab-chip.is-active,
.tab-chip[aria-selected="true"] {
  border-color: rgb(0 212 255 / 70%);
  color: var(--color-signal-cyan);
  box-shadow: var(--glow-cyan-soft);
}

.product-carousel::-webkit-scrollbar {
  height: 0.45rem;
}

.product-carousel::-webkit-scrollbar-thumb {
  background: rgb(0 212 255 / 30%);
  border-radius: var(--radius-round);
}


/* ===== Precision Current premium refinement layer ===== */
.btn {
  min-height: 3.25rem;
  padding: 0.72rem 1.28rem;
  border-radius: 0.6rem;
  font-size: 0.8rem;
}

.btn::after {
  content: "→";
  font-size: 0.9em;
  opacity: 0;
  transform: translateX(-6px);
  transition: var(--transition-fast);
}

.btn:hover::after,
.btn:focus-visible::after {
  opacity: 0.85;
  transform: translateX(0);
}

.navbar.is-scrolled {
  background: rgb(8 11 15 / 84%);
  box-shadow: 0 12px 28px rgb(0 0 0 / 35%);
}

.nav-links a {
  position: relative;
  padding-bottom: 0.2rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-signal-cyan), rgb(0 212 255 / 5%));
  transition: width var(--duration-base) var(--ease-standard);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--color-signal-cyan);
  text-shadow: 0 0 14px rgb(0 212 255 / 20%);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.hero-panel {
  border-color: rgb(0 212 255 / 24%);
  border-radius: 0.9rem;
  box-shadow: var(--shadow-panel), inset 0 1px 0 rgb(255 255 255 / 7%);
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero-panel::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgb(0 212 255 / 8%) 1px, transparent 1px),
    linear-gradient(0deg, rgb(0 212 255 / 7%) 1px, transparent 1px);
  background-size: 58px 58px;
  opacity: 0.22;
}

.hero-panel::after {
  inset: 0;
  background: radial-gradient(650px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgb(0 212 255 / 14%), transparent 48%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
}

.hero-panel[data-cursor-glow]:hover::after {
  opacity: 1;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.62rem;
  margin-bottom: var(--space-md);
  border: 1px solid rgb(0 212 255 / 38%);
  border-radius: var(--radius-round);
  font-family: var(--font-ui);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  color: var(--color-signal-cyan);
  background: rgb(0 212 255 / 8%);
}

.hero-kicker::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-signal-cyan);
  box-shadow: 0 0 12px rgb(0 212 255 / 75%);
  animation: glow-pulse 2.2s ease-in-out infinite;
}

.hero-grid,
.split-panel {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 64rem) {
  .hero-grid,
  .split-panel {
    grid-template-columns: 1.3fr 0.9fr;
    align-items: stretch;
  }
}

.hero-side-panel {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgb(8 14 22 / 92%), rgb(13 18 26 / 92%));
}

.hero-stats {
  gap: 0.75rem;
}

.hero-stat {
  border-color: rgb(0 212 255 / 22%);
  background: linear-gradient(145deg, rgb(0 212 255 / 8%), rgb(255 255 255 / 1%));
}

.hero-stat strong {
  font-size: 1.15rem;
}

.section-divider {
  height: 1px;
  margin: var(--space-xl) 0;
  background: linear-gradient(90deg, transparent, rgb(0 212 255 / 68%), transparent);
  opacity: 0.52;
}

.signal-line {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: rgb(138 143 152 / 88%);
}

.signal-line::before {
  content: "";
  width: 1.4rem;
  height: 1px;
  background: var(--color-signal-cyan);
  box-shadow: 0 0 10px rgb(0 212 255 / 40%);
}

.metric-grid,
.trust-grid,
.logo-wall,
.resource-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 48rem) {
  .metric-grid,
  .trust-grid,
  .logo-wall,
  .resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 75rem) {
  .metric-grid,
  .trust-grid,
  .logo-wall,
  .resource-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .resource-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.metric-card,
.trust-item-card,
.resource-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: rgb(17 23 32 / 72%);
}

.metric-card strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-signal-cyan);
}

.brand-ticker {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-round);
  background: rgb(20 24 32 / 78%);
}

.brand-ticker__track {
  display: flex;
  align-items: center;
  gap: 2.6rem;
  min-width: max-content;
  padding: 0.85rem 1.2rem;
  animation: ticker-move 26s linear infinite;
}

.brand-ticker__track img {
  height: 1.22rem;
  width: auto;
  opacity: 0.92;
  filter: grayscale(0.15);
}

@keyframes ticker-move {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.industry-card {
  min-height: 100%;
}

.industry-card h3 {
  font-size: var(--font-size-xl);
}

.industry-card p {
  margin-bottom: var(--space-sm);
}

.card__icon-wrap {
  width: 2.9rem;
  height: 2.9rem;
  border: 1px solid rgb(0 212 255 / 34%);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgb(0 212 255 / 8%);
}

.card__icon-wrap img,
.card__icon-wrap svg {
  width: 1.35rem;
  height: 1.35rem;
}

.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.footer h3 {
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--color-signal-cyan);
}

.form-panel {
  border: 1px solid rgb(0 212 255 / 20%);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgb(14 20 29 / 88%), rgb(14 18 25 / 88%));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 6%);
  padding: clamp(1.1rem, 2vw, 1.5rem);
}

.form__input,
.form__textarea,
.form__select {
  min-height: 3rem;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  box-shadow: 0 0 0 3px rgb(0 212 255 / 18%), 0 0 18px rgb(0 212 255 / 16%);
}

.category-hero-note {
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: rgb(138 143 152 / 95%);
}

.circuit-divider {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(0 212 255 / 45%), transparent);
}

.circuit-divider::before,
.circuit-divider::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgb(0 212 255 / 90%);
  box-shadow: 0 0 12px rgb(0 212 255 / 40%);
}

.circuit-divider::before { left: 24%; }
.circuit-divider::after { right: 24%; }

/* Core keyframes */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translate3d(0, 16px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translate3d(14px, 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgb(0 212 255 / 0%);
  }

  50% {
    box-shadow: 0 0 22px 0 rgb(0 212 255 / 42%);
  }
}

@keyframes circuit-flow {
  from {
    stroke-dashoffset: 240;
  }

  to {
    stroke-dashoffset: 0;
  }
}

@keyframes float-node {
  0%, 100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -8px, 0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse-line {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

/* Animation helpers */
.a-reveal {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  will-change: transform, opacity;
}

.a-reveal.is-visible {
  animation: fade-up var(--duration-base) var(--ease-emphasis) forwards;
}

.a-reveal--delay-1.is-visible { animation-delay: 0.08s; }
.a-reveal--delay-2.is-visible { animation-delay: 0.14s; }
.a-reveal--delay-3.is-visible { animation-delay: 0.2s; }

.a-fade-in {
  animation: fade-in var(--duration-base) var(--ease-standard) both;
}

.a-slide-in-right {
  animation: slide-in-right var(--duration-base) var(--ease-emphasis) both;
}

.a-glow-pulse {
  animation: glow-pulse 2.6s ease-in-out infinite;
}

.a-float {
  animation: float-node 4.8s ease-in-out infinite;
}

/* Circuit line styles for svg backgrounds */
.circuit-path {
  stroke: currentcolor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 10 8;
  animation: circuit-flow 3.2s linear infinite;
}

.circuit-node {
  transform-origin: center;
  animation: glow-pulse 2.2s ease-in-out infinite;
}

/* Micro interactions */
.interactive-lift {
  transition: transform var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

.interactive-lift:hover,
.interactive-lift:focus-visible {
  transform: translateY(-2px);
}


/* Enhanced reveal API */
[data-animate],
[data-reveal],
.a-reveal {
  opacity: 0;
  transform: translate3d(0, 14px, 0);
  will-change: transform, opacity;
}

[data-animate].is-visible,
[data-reveal].is-visible,
.a-reveal.is-visible {
  animation: fade-up var(--duration-base) var(--ease-emphasis) forwards;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-animate],
  [data-reveal],
  .a-reveal {
    opacity: 1;
    transform: none;
  }
}



/* App-level baseline */

body {

  overflow-x: clip;

}



main {

  position: relative;

  isolation: isolate;

}



.skip-link {

  position: absolute;

  top: -40px;

  left: 0;

  z-index: var(--z-overlay);

  padding: 0.5rem 0.75rem;

  background: var(--color-signal-cyan);

  color: #001119;

  font-weight: 700;

}



.skip-link:focus {

  top: 0;

}





/* Precision Current premium overlays */

body::before,

body::after {

  content: "";

  position: fixed;

  inset: 0;

  pointer-events: none;

  z-index: 0;

}



body::before {

  background:

    linear-gradient(90deg, rgb(0 212 255 / 5%) 1px, transparent 1px),

    linear-gradient(0deg, rgb(0 212 255 / 4%) 1px, transparent 1px),

    url("/assets/images/backgrounds/circuit-board-pattern.svg");

  background-size: 100px 100px, 100px 100px, 320px 320px;

  opacity: 0.22;

  mix-blend-mode: screen;

}



body::after {

  background:

    radial-gradient(65rem 50rem at 8% -12%, rgb(0 212 255 / 20%), transparent 65%),

    radial-gradient(55rem 40rem at 96% 8%, rgb(200 149 108 / 16%), transparent 64%),

    radial-gradient(48rem 35rem at 52% 112%, rgb(0 212 255 / 10%), transparent 76%);

  opacity: 0.75;

}



header,

main,

footer {

  position: relative;

  z-index: 1;

}