/* NSS site bundle — edit modular css/* then run: python scripts/_cleanup_nss.py */

/* ===== fonts.css ===== */
/* NSS — local Persian font (Vazirmatn, limited weights) */

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

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

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

/* ===== reset.css ===== */
/* NSS — minimal reset (preserve semantics, avoid opinionated styling) */

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

* {
  margin: 0;
}

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

body {
  min-height: 100%;
  line-height: 1.5;
}

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

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

button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

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

ul,
ol {
  list-style: none;
  padding: 0;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ===== variables.css ===== */
/* NSS — dark-first design system tokens
   Brand palette derived from logo red #FB0011 + charcoal surfaces. */

:root {
  /* Dark charcoal surfaces — cool, sharp, logo-friendly */
  --color-bg: #0a0b0d;
  --color-bg-secondary: #111317;
  --color-surface: #171a1f;
  --color-surface-elevated: #1e232b;
  --color-surface-hover: #272d37;

  /* Compatibility aliases */
  --color-background: var(--color-bg);
  --color-surface-alt: var(--color-bg-secondary);

  /* Brand — logo red as primary action; steel as secondary */
  --color-primary: #fb0011;
  --color-primary-hover: #ff2a35;
  --color-primary-soft: rgb(251 0 17 / 0.14);
  --color-primary-rgb: 251 0 17;
  --color-secondary: #c5ccd6;
  --color-secondary-hover: #e8edf5;
  --color-accent: #fb0011;
  --color-accent-soft: rgb(251 0 17 / 0.14);

  --color-text: #f2f4f7;
  --color-text-muted: #9aa3b2;
  --color-text-inverse: #ffffff;
  --color-text-soft: #d0d6e0;

  --color-border: #2a303a;
  --color-border-strong: #3c4452;

  --color-success: #3fa87a;
  --color-warning: #e0a33a;
  --color-danger: #fb0011;
  --color-focus: #ff5a62;

  /* Elevation — restrained, no heavy glow */
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.35);
  --shadow-md: 0 12px 32px rgb(0 0 0 / 0.4);
  --glow-accent: 0 0 0 1px rgb(251 0 17 / 0.35);

  /* Radii — sharper to match geometric logo */
  --radius-sm: 0.25rem;
  --radius-md: 0.4rem;
  --radius-lg: 0.55rem;

  /* Spacing scale */
  --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: 4.5rem;
  --space-section: clamp(2.75rem, 5vw, 5rem);
  --gutter: clamp(1rem, 3vw, 1.75rem);

  /* Layout */
  --container-width: 72rem;
  --container-narrow: 42rem;
  --header-height: 4rem;
  --measure: 65ch;

  /* Motion */
  --transition-fast: 150ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-normal: 240ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-base: var(--transition-normal);
  --transition-slow: 360ms cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-distance: 1.35rem;
  --motion-lift: -3px;

  /* Soft glass surfaces */
  --glass-bg: rgb(22 26 32 / 0.55);
  --glass-bg-strong: rgb(14 16 20 / 0.72);
  --glass-border: rgb(255 255 255 / 0.1);
  --glass-highlight: rgb(255 255 255 / 0.04);
  --glass-blur: 16px;
  --glass-shadow: 0 18px 48px rgb(0 0 0 / 0.35);

  /* Typography */
  --font-family: "Vazirmatn", "Tahoma", "Segoe UI", sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  --font-size-caption: clamp(0.72rem, 0.7rem + 0.15vw, 0.78rem);
  --font-size-small: clamp(0.84rem, 0.8rem + 0.2vw, 0.9rem);
  --font-size-body: clamp(0.95rem, 0.92rem + 0.2vw, 1.05rem);
  --font-size-body-large: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
  --font-size-label: clamp(0.9rem, 0.88rem + 0.15vw, 0.95rem);
  --font-size-nav: clamp(0.9rem, 0.88rem + 0.15vw, 0.95rem);
  --font-size-button: clamp(0.9rem, 0.88rem + 0.15vw, 0.95rem);
  --font-size-h4: clamp(1.05rem, 1rem + 0.35vw, 1.2rem);
  --font-size-h3: clamp(1.2rem, 1.1rem + 0.55vw, 1.45rem);
  --font-size-h2: clamp(1.45rem, 1.25rem + 1vw, 1.9rem);
  --font-size-h1: clamp(1.7rem, 1.4rem + 1.4vw, 2.4rem);
  --font-size-display: clamp(1.85rem, 1.5rem + 1.8vw, 2.85rem);

  --line-height-tight: 1.3;
  --line-height-body: 1.8;
  --line-height-heading: 1.45;
}

/* ===== base.css ===== */
/* NSS — document defaults (dark-first) */

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

@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;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .hero-visual__pulse {
    animation: none !important;
  }
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

::selection {
  background-color: rgb(var(--color-primary-rgb) / 0.35);
  color: var(--color-text);
}

img {
  height: auto;
}

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

.skip-link {
  position: absolute;
  inset-block-start: var(--space-2);
  inset-inline-start: var(--space-2);
  z-index: 1200;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ===== typography.css ===== */
/* NSS — responsive Persian typography scale */

.display {
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: -0.015em;
  max-inline-size: 18ch;
}

h1,
.h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

h2,
.h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

h3,
.h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

h4,
.h4 {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

p {
  max-inline-size: var(--measure);
  color: var(--color-text-soft);
}

p + p {
  margin-block-start: var(--space-4);
}

.text-body {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

.text-body-large {
  font-size: var(--font-size-body-large);
  line-height: var(--line-height-body);
}

.text-small {
  font-size: var(--font-size-small);
  line-height: var(--line-height-body);
}

.text-caption {
  font-size: var(--font-size-caption);
  line-height: 1.55;
  color: var(--color-text-muted);
}

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

.text-label {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-soft);
}

.lead {
  font-size: var(--font-size-body-large);
  line-height: var(--line-height-body);
  color: var(--color-text-muted);
  max-inline-size: 42ch;
}

/* ===== layout.css ===== */
/* NSS — layout primitives */

.container {
  width: min(100% - (var(--gutter) * 2), var(--container-width));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - (var(--gutter) * 2), var(--container-narrow));
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  isolation: isolate;
  background-color: transparent;
  border-block-end: 1px solid var(--glass-border);
}

/* Blur on a pseudo-element so it does not create a containing block
   that traps position:fixed mobile navigation. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  backdrop-filter: blur(var(--glass-blur)) saturate(1.2);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.2);
  background:
    linear-gradient(180deg, var(--glass-highlight), transparent 40%),
    var(--glass-bg-strong);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

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

.btn.site-header__cta {
  display: none;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-nav);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.site-brand:hover {
  color: var(--color-primary);
}

.site-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 2.25rem;
  block-size: 2.25rem;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(145deg, rgb(var(--color-primary-rgb) / 0.28), rgb(30 35 43 / 0.95));
  border: 1px solid rgb(var(--color-primary-rgb) / 0.45);
  color: var(--color-primary);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  font-style: italic;
}

.site-brand__logo {
  display: block;
  block-size: 2.15rem;
  inline-size: auto;
  max-inline-size: 9.25rem;
  object-fit: contain;
  object-position: center;
}

.site-footer__logo {
  display: block;
  block-size: 3rem;
  inline-size: auto;
  max-inline-size: 13.5rem;
  margin-block-end: var(--space-3);
  object-fit: contain;
  object-position: center right;
}

.site-main {
  display: block;
}

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

.section--alt {
  background-color: var(--color-bg-secondary);
  border-block: 1px solid rgb(42 59 82 / 0.55);
}

.section__header {
  margin-block-end: var(--space-6);
  max-inline-size: var(--measure);
}

.section__header > * + * {
  margin-block-start: var(--space-3);
}

.site-footer {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-soft);
  padding-block: var(--space-7) var(--space-5);
  border-block-start: 1px solid var(--color-border);
}

.site-footer a {
  color: var(--color-text-soft);
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: var(--color-primary);
}

.site-footer a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-6);
}

.site-footer__title {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-block-end: var(--space-3);
}

.site-footer__text {
  color: var(--color-text-muted);
  max-inline-size: 36ch;
  font-size: var(--font-size-small);
}

.site-footer__list {
  display: grid;
  gap: var(--space-2);
}

.site-footer__list a {
  font-size: var(--font-size-small);
  transition: color var(--transition-fast);
}

.site-footer__bottom {
  margin-block-start: var(--space-6);
  padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--color-border);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* ===== components.css ===== */
/* NSS — reusable UI patterns (dark-first) */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding-inline: var(--space-5);
  padding-block: var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-medium);
  line-height: 1.2;
  text-align: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

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

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 22px rgb(var(--color-primary-rgb) / 0.22);
}

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

.btn--secondary {
  background-color: var(--color-surface-elevated);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

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

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

.btn--ghost:hover,
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgb(var(--color-primary-rgb) / 0.08);
}

.btn--danger {
  background-color: var(--color-danger);
  color: #fff;
}

.btn--danger:hover {
  filter: brightness(1.08);
}

.btn--success {
  background-color: var(--color-success);
  color: #fff;
}

.btn--success:hover {
  filter: brightness(1.08);
}

.btn--sm {
  min-height: 2.35rem;
  padding-inline: var(--space-4);
  font-size: var(--font-size-small);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Navigation toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background-color: var(--color-surface);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: var(--color-accent-soft);
}

.nav-toggle__icon {
  display: block;
  inline-size: 1.125rem;
  block-size: 2px;
  background-color: currentColor;
  position: relative;
  transition: background-color var(--transition-fast);
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  block-size: 2px;
  background-color: currentColor;
  transition: transform var(--transition-base), inset-block-start var(--transition-base);
}

.nav-toggle__icon::before {
  inset-block-start: -6px;
}

.nav-toggle__icon::after {
  inset-block-start: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  inset-block-start: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  inset-block-start: 0;
  transform: rotate(-45deg);
}

/* Mobile navigation panel */
.site-nav {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 90;
  display: block;
  min-height: calc(100vh - var(--header-height));
  min-height: calc(100dvh - var(--header-height));
  padding: var(--space-4) var(--gutter) var(--space-6);
  background:
    linear-gradient(180deg, var(--glass-highlight), transparent 30%),
    var(--glass-bg-strong);
  border-block-start: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.15);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.15);
  transform: translate3d(100%, 0, 0);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    transform var(--transition-normal) var(--ease-out),
    opacity var(--transition-normal),
    visibility var(--transition-normal);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.site-nav.is-open {
  transform: translate3d(0, 0, 0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.site-nav__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-block-end: var(--space-4);
  padding-block-end: var(--space-3);
  border-block-end: 1px solid var(--color-border);
}

.site-nav__toolbar-title {
  margin: 0;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.site-nav__close .nav-toggle__icon {
  background-color: transparent;
}

.site-nav__close .nav-toggle__icon::before {
  inset-block-start: 0;
  transform: rotate(45deg);
}

.site-nav__close .nav-toggle__icon::after {
  inset-block-start: 0;
  transform: rotate(-45deg);
}

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

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  min-height: 3rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-nav);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-soft);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.site-nav__link:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

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

.site-nav__link[aria-current="page"] {
  background-color: var(--color-accent-soft);
  color: var(--color-secondary);
  box-shadow: inset 3px 0 0 var(--color-secondary);
}

.site-nav__item--has-preview > .site-nav__link {
  gap: var(--space-2);
}

.site-nav__item--has-preview > .site-nav__link::after {
  content: "";
  inline-size: 0.4rem;
  block-size: 0.4rem;
  margin-inline-start: 0.1rem;
  border-inline-end: 1.5px solid currentColor;
  border-block-end: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.65;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-nav__item--has-preview:hover > .site-nav__link::after,
.site-nav__item--has-preview:focus-within > .site-nav__link::after,
.site-nav__item--has-preview.is-preview-open > .site-nav__link::after {
  opacity: 1;
  transform: rotate(225deg);
}

/* Hover / focus preview panels — solid surface for readable text */
.site-nav__preview {
  display: none;
  margin: var(--space-1) 0 var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-elevated);
  box-shadow: var(--shadow-md);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.site-nav__item--has-preview.is-preview-open > .site-nav__preview {
  display: block;
}

.site-nav__preview-head {
  margin-block-end: var(--space-3);
  padding-block-end: var(--space-3);
  border-block-end: 1px solid var(--color-border);
}

.site-nav__preview-eyebrow {
  margin: 0 0 var(--space-1);
  font-size: var(--font-size-caption);
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.site-nav__preview-title {
  margin: 0;
  font-size: var(--font-size-nav);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.site-nav__preview-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__preview-link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "label mark"
    "desc mark";
  column-gap: var(--space-3);
  row-gap: 0.25rem;
  align-items: center;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.site-nav__preview-link-label {
  grid-area: label;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.site-nav__preview-link-desc {
  grid-area: desc;
  font-size: var(--font-size-caption);
  line-height: 1.45;
  color: var(--color-text-soft);
}

.site-nav__preview-link-mark {
  grid-area: mark;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.site-nav__preview-link:hover,
.site-nav__preview-link:focus-visible {
  background-color: var(--color-primary-soft);
  border-color: rgb(var(--color-primary-rgb) / 0.35);
  color: var(--color-text);
  transform: translateY(-1px);
}

.site-nav__preview-link:hover .site-nav__preview-link-mark,
.site-nav__preview-link:focus-visible .site-nav__preview-link-mark {
  color: var(--color-primary);
  transform: translateX(-0.15rem);
}

.site-nav__preview-link[aria-current="page"] {
  background-color: var(--color-accent-soft);
  border-color: rgb(var(--color-primary-rgb) / 0.4);
}

.site-nav__preview-link[aria-current="page"] .site-nav__preview-link-label {
  color: var(--color-secondary);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background-color: rgb(5 10 16 / 0.55);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.nav-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Cards */
.card {
  background:
    linear-gradient(165deg, var(--glass-highlight), transparent 50%),
    rgb(23 26 32 / 0.72);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.45);
  background:
    linear-gradient(165deg, rgb(255 255 255 / 0.06), transparent 50%),
    rgb(30 35 43 / 0.8);
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  margin-block-end: var(--space-4);
  border-radius: var(--radius-sm);
  background-color: rgb(var(--color-primary-rgb) / 0.1);
  border: 1px solid rgb(var(--color-primary-rgb) / 0.25);
  color: var(--color-primary);
}

.card__icon svg {
  inline-size: 1.25rem;
  block-size: 1.25rem;
}

.card__title {
  margin-block-end: var(--space-3);
}

.card__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.card-grid {
  display: grid;
  gap: var(--space-4);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  background-color: rgb(var(--color-primary-rgb) / 0.12);
  border: 1px solid rgb(var(--color-primary-rgb) / 0.28);
  color: var(--color-primary);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
}

.badge__dot {
  inline-size: 0.45rem;
  block-size: 0.45rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  box-shadow: 0 0 0 0 rgb(var(--color-primary-rgb) / 0.5);
}

/* Hero */
.hero {
  position: relative;
  padding-block: clamp(2.5rem, 6vw, 4.75rem);
  overflow: hidden;
  border-block-end: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse 70% 55% at 100% 0%, rgb(var(--color-primary-rgb) / 0.16), transparent 55%),
    radial-gradient(ellipse 50% 45% at 0% 100%, rgb(255 255 255 / 0.04), transparent 50%),
    var(--color-bg);
}

.hero::before {
  content: "";
  position: absolute;
  inset-block: 18% 35%;
  inset-inline-start: 0;
  inline-size: min(42vw, 28rem);
  pointer-events: none;
  opacity: 0.28;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 10px,
      rgb(var(--color-primary-rgb) / 0.7) 10px,
      rgb(var(--color-primary-rgb) / 0.7) 11px
    );
  mask-image: linear-gradient(90deg, rgb(0 0 0 / 0.9), transparent);
}

.hero__grid {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.hero__content > * + * {
  margin-block-start: var(--space-4);
}

.hero__actions {
  margin-block-start: var(--space-6);
}

.hero-visual {
  position: relative;
  justify-self: center;
  inline-size: min(100%, 22rem);
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.hero-visual__canvas {
  inline-size: 100%;
  block-size: 100%;
}

.hero-visual--logo {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 7;
  inline-size: min(100%, 28rem);
  background:
    radial-gradient(ellipse at 28% 50%, rgb(225 6 0 / 0.1), transparent 58%),
    var(--color-surface);
}

.hero-visual__logo {
  display: block;
  inline-size: 88%;
  block-size: auto;
  max-block-size: 78%;
  object-fit: contain;
}

.hero-visual__pulse {
  position: absolute;
  inset-inline-end: 18%;
  inset-block-start: 22%;
  inline-size: 0.55rem;
  block-size: 0.55rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  box-shadow: 0 0 0 0 rgb(var(--color-primary-rgb) / 0.45);
  animation: pulse-soft 2.8s ease-out infinite;
}

/* Form foundation */
.form-field {
  display: grid;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-soft);
}

.form-control {
  width: 100%;
  min-height: 2.75rem;
  padding-inline: var(--space-4);
  padding-block: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-control::placeholder {
  color: rgb(154 171 192 / 0.7);
}

.form-control:hover:not(:disabled):not(:focus) {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface-elevated);
}

.form-control:focus,
.form-control:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--glow-accent);
  background-color: var(--color-surface-elevated);
}

.form-control.is-error,
.form-control[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-hint {
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
}

.form-error {
  font-size: var(--font-size-caption);
  color: var(--color-danger);
}

.form-demo {
  margin-block-start: var(--space-5);
  max-inline-size: 28rem;
  display: grid;
  gap: var(--space-4);
}

@keyframes pulse-soft {
  0% {
    box-shadow: 0 0 0 0 rgb(var(--color-primary-rgb) / 0.45);
  }

  70% {
    box-shadow: 0 0 0 12px rgb(var(--color-primary-rgb) / 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgb(var(--color-primary-rgb) / 0);
  }
}

/* ===== public.css ===== */
/* NSS — public multi-page patterns */

/* Page intro / breadcrumb */
.page-hero {
  padding-block: clamp(2rem, 4vw, 3.25rem);
  border-block-end: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse 70% 80% at 100% 0%, rgb(var(--color-primary-rgb) / 0.08), transparent 55%),
    var(--color-bg);
}

.page-hero__inner > * + * {
  margin-block-start: var(--space-3);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-block-end: var(--space-4);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  max-width: 100%;
  overflow-wrap: anywhere;
}

.breadcrumb a {
  color: var(--color-text-soft);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  opacity: 0.5;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
}

/* Status / alerts */
.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  border: 1px solid transparent;
}

.status--success {
  color: var(--color-success);
  background: rgb(63 168 122 / 0.12);
  border-color: rgb(63 168 122 / 0.28);
}

.status--warning {
  color: var(--color-warning);
  background: rgb(208 161 74 / 0.12);
  border-color: rgb(208 161 74 / 0.28);
}

.status--danger {
  color: var(--color-danger);
  background: rgb(211 90 79 / 0.12);
  border-color: rgb(211 90 79 / 0.28);
}

.status--info {
  color: var(--color-primary);
  background: rgb(var(--color-primary-rgb) / 0.12);
  border-color: rgb(var(--color-primary-rgb) / 0.28);
}

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
}

.alert--warning {
  background: rgb(var(--color-primary-rgb) / 0.12);
  border: 1px solid rgb(var(--color-primary-rgb) / 0.35);
  color: var(--color-text);
}

.alert--success {
  border-color: rgb(63 168 122 / 0.4);
  background: rgb(63 168 122 / 0.1);
}

.alert--error {
  border-color: rgb(211 90 79 / 0.4);
  background: rgb(211 90 79 / 0.1);
}

.alert[hidden] {
  display: none;
}

/* Toolbar / filters */
.toolbar {
  display: grid;
  gap: var(--space-3);
  margin-block-end: var(--space-5);
}

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

.toolbar__search {
  flex: 1 1 14rem;
  min-width: 0;
}

.toolbar__select {
  flex: 0 1 11rem;
  min-width: 0;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding-inline: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.filter-chip:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.45);
  color: var(--color-primary);
}

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

.filter-chip.is-active {
  border-color: var(--color-primary);
  color: #fff;
  background: rgb(var(--color-primary-rgb) / 0.18);
  box-shadow: inset 0 -2px 0 var(--color-primary);
}

/* Product / article media */
.media-frame {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background:
    linear-gradient(160deg, var(--color-surface-elevated), var(--color-surface));
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--color-primary);
}

.media-frame svg {
  width: 42%;
  height: auto;
  opacity: 0.85;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Product card */
.product-card {
  display: grid;
  gap: var(--space-3);
  background:
    linear-gradient(165deg, var(--glass-highlight), transparent 50%),
    rgb(23 26 32 / 0.72);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  transition: border-color var(--transition-base), transform var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.45);
  background:
    linear-gradient(165deg, rgb(255 255 255 / 0.06), transparent 50%),
    rgb(30 35 43 / 0.8);
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow);
}

.product-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  justify-content: space-between;
}

.product-card__price {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.product-card__title {
  font-size: var(--font-size-h4);
}

.product-grid {
  display: grid;
  gap: var(--space-4);
}

/* Article card */
.article-card {
  display: grid;
  gap: var(--space-3);
  background:
    linear-gradient(165deg, var(--glass-highlight), transparent 50%),
    rgb(23 26 32 / 0.72);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.article-card:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.4);
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow);
}

.article-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
}

.article-grid {
  display: grid;
  gap: var(--space-4);
}

/* Detail layouts */
.detail-grid {
  display: grid;
  gap: var(--space-6);
}

.detail-panel {
  background:
    linear-gradient(165deg, var(--glass-highlight), transparent 48%),
    rgb(23 26 32 / 0.7);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  box-shadow: var(--shadow-sm);
}

.price-lg {
  font-size: clamp(1.4rem, 1.2rem + 1vw, 1.85rem);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

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

.spec-table th,
.spec-table td {
  padding: var(--space-3);
  border-block-end: 1px solid var(--color-border);
  text-align: start;
  vertical-align: top;
}

.spec-table th {
  width: 38%;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.feature-list,
.process-list {
  display: grid;
  gap: var(--space-3);
}

.feature-list li,
.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
}

.feature-list__mark,
.process-list__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: rgb(var(--color-primary-rgb) / 0.12);
  border: 1px solid rgb(var(--color-primary-rgb) / 0.3);
  color: var(--color-primary);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
}

/* Gallery */
.gallery {
  display: grid;
  gap: var(--space-3);
}

.gallery__main {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.gallery__main svg {
  width: 48%;
  color: var(--color-primary);
}

.gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.gallery__thumb {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.gallery__thumb.is-active,
.gallery__thumb:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.gallery__thumb svg {
  width: 45%;
}

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--space-5);
}

.contact-list {
  display: grid;
  gap: var(--space-4);
}

.contact-item__label {
  display: block;
  margin-block-end: var(--space-1);
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
}

.map-placeholder {
  min-height: 14rem;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border-strong);
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 10px,
      rgb(42 59 82 / 0.25) 10px,
      rgb(42 59 82 / 0.25) 20px
    ),
    var(--color-surface);
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  text-align: center;
  padding: var(--space-4);
}

/* Values / why */
.value-grid {
  display: grid;
  gap: var(--space-4);
}

/* Pagination */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-block-start: var(--space-6);
}

.pagination__btn {
  min-width: 2.5rem;
  min-height: 2.5rem;
  padding-inline: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
}

.pagination__btn.is-active,
.pagination__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Search results */
.result-list {
  display: grid;
  gap: var(--space-3);
}

.result-card {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.result-card__type {
  margin-block-end: var(--space-2);
}

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.empty-state > * + * {
  margin-block-start: var(--space-3);
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: var(--space-8);
}

.error-page__code {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  line-height: 1;
  margin-block-end: var(--space-4);
}

/* Content prose for articles */
.prose > * + * {
  margin-block-start: var(--space-4);
}

.prose h2 {
  margin-block-start: var(--space-6);
}

.prose ul {
  list-style: disc;
  padding-inline-start: 1.25rem;
  display: grid;
  gap: var(--space-2);
  color: var(--color-text-soft);
}

.share-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.share-bar__label {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* Highlight strip */
.highlight-grid {
  display: grid;
  gap: var(--space-4);
}

.highlight-item {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background:
    linear-gradient(165deg, var(--glass-highlight), transparent 55%),
    rgb(23 26 32 / 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.highlight-item__value {
  display: block;
  margin-block-end: var(--space-2);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.is-hidden {
  display: none !important;
}

.card__actions {
  margin-block-start: var(--space-4);
}

/* Glass helpers */
.glass-panel,
.glass-soft {
  background:
    linear-gradient(165deg, var(--glass-highlight), transparent 42%),
    var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.15);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.15);
  box-shadow: var(--glass-shadow);
}

.glass-soft {
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  box-shadow: var(--shadow-sm);
}

/* Header search toggle + modal popup */
.search-shell {
  position: relative;
}

.search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--color-text-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.search-toggle:hover,
.search-shell.is-search-open .search-toggle {
  border-color: rgb(var(--color-primary-rgb) / 0.55);
  color: var(--color-text);
  background: rgb(var(--color-primary-rgb) / 0.12);
}

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

.search-modal {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: grid;
  place-items: start center;
  padding: max(4.5rem, 12vh) var(--gutter) var(--space-6);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.search-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.search-modal[hidden] {
  display: none !important;
}

.search-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgb(4 6 9 / 0.62);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.search-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(36rem, 100%);
  max-height: min(78dvh, 40rem);
  display: grid;
  grid-template-rows: auto auto auto auto minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  transform: translate3d(0, 0.75rem, 0) scale(0.985);
  transition: transform var(--transition-slow) var(--ease-out);
}

.search-modal.is-open .search-modal__dialog {
  transform: none;
}

.search-modal__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.search-modal__title {
  margin: 0;
  font-size: var(--font-size-h3);
}

.search-modal__close {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: rgb(255 255 255 / 0.04);
  color: var(--color-text);
  font-size: 1.4rem;
  line-height: 1;
}

.search-modal__bar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2);
}

.search-modal__input {
  background: rgb(8 10 14 / 0.55);
  border-color: var(--glass-border);
}

.search-modal__suggest {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.search-suggest-chip {
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: rgb(255 255 255 / 0.04);
  color: var(--color-text-soft);
  padding: 0.35rem 0.75rem;
  font-size: var(--font-size-caption);
  min-height: 2.25rem;
}

.search-suggest-chip:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.45);
  color: var(--color-text);
}

.search-modal__meta {
  margin: 0;
}

.search-modal__results {
  display: grid;
  gap: var(--space-2);
  overflow: auto;
  padding-inline-end: 0.15rem;
  min-height: 8rem;
}

.search-modal__hint,
.search-modal__empty {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  padding: var(--space-3);
}

.search-result {
  display: grid;
  gap: 0.2rem;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: rgb(255 255 255 / 0.03);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.search-result:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.45);
  background: rgb(var(--color-primary-rgb) / 0.08);
  transform: translateY(-1px);
}

.search-result__title {
  color: var(--color-text);
  font-size: var(--font-size-small);
}

.search-result__excerpt {
  color: var(--color-text-muted);
  font-size: var(--font-size-caption);
}

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

/* Demo admin shortcut */
.demo-admin-link {
  position: fixed;
  inset-inline-start: var(--space-4);
  inset-block-end: var(--space-4);
  z-index: 90;
  min-height: 2.35rem;
  padding-inline: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px dashed rgb(var(--color-primary-rgb) / 0.55);
  background: rgb(10 11 13 / 0.92);
  color: var(--color-secondary);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  backdrop-filter: blur(8px);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.demo-admin-link:hover {
  background: var(--color-accent-soft);
  border-style: solid;
}

/* Toast + modal */
.toast-host {
  position: fixed;
  inset-block-end: var(--space-5);
  inset-inline-end: var(--space-5);
  z-index: 400;
  display: grid;
  gap: var(--space-2);
  width: min(20rem, calc(100vw - 2rem));
}

.toast {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  color: var(--color-text);
  font-size: var(--font-size-small);
  opacity: 0;
  transform: translate3d(0, 0.45rem, 0);
  transition:
    opacity var(--transition-normal) var(--ease-out),
    transform var(--transition-normal) var(--ease-out);
}

.toast.is-visible {
  opacity: 1;
  transform: none;
}

.toast--success {
  border-color: rgb(63 168 122 / 0.45);
}

.toast--error {
  border-color: rgb(211 90 79 / 0.45);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgb(5 10 16 / 0.65);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal.is-open .modal__backdrop {
  opacity: 1;
  animation: soft-fade-in var(--transition-normal) var(--ease-out);
}

.modal__dialog {
  position: relative;
  width: min(100%, 26rem);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translate3d(0, 0.45rem, 0) scale(0.985);
  transition:
    opacity var(--transition-normal) var(--ease-out),
    transform var(--transition-normal) var(--ease-out);
}

.modal.is-open .modal__dialog {
  opacity: 1;
  transform: none;
}

.modal__title {
  font-size: var(--font-size-h4);
  margin-block-end: var(--space-3);
}

.modal__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-block-start: var(--space-5);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block-end: var(--space-5);
  border-block-end: 1px solid var(--color-border);
  padding-block-end: var(--space-2);
}

.tab {
  min-height: 2.6rem;
  padding-inline: var(--space-4);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.tab:hover {
  color: var(--color-primary);
  background: rgb(var(--color-primary-rgb) / 0.08);
}

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

.tab.is-active {
  color: var(--color-secondary);
  background: var(--color-accent-soft);
  border-color: rgb(var(--color-primary-rgb) / 0.35);
  border-block-end-color: transparent;
  box-shadow: inset 0 -2px 0 var(--color-secondary);
}

.tab:disabled,
.tab[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.ip-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse 80% 70% at 100% 0%, rgb(var(--color-primary-rgb) / 0.12), transparent 55%),
    var(--color-surface);
  text-align: center;
}

.ip-card__value {
  margin-block: var(--space-3);
  font-size: clamp(1.4rem, 1.1rem + 1.5vw, 2rem);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  word-break: break-all;
}

@keyframes soft-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes soft-scale-in {
  from {
    opacity: 0;
    transform: translate3d(0, 0.35rem, 0) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .search-panel,
  .modal__dialog,
  .modal.is-open .modal__backdrop,
  .toast {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}

/* FAQ — native details */
.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: rgb(23 26 32 / 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}

.faq-item__summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-4);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.faq-item__summary::-webkit-details-marker {
  display: none;
}

.faq-item__summary::after {
  content: "+";
  float: left;
  color: var(--color-secondary);
  font-weight: var(--font-weight-semibold);
}

.faq-item[open] .faq-item__summary::after {
  content: "−";
}

.faq-item__body {
  padding: 0 var(--space-4) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: var(--line-height-body);
}

.cta-band {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid rgb(var(--color-primary-rgb) / 0.28);
  background:
    radial-gradient(ellipse 80% 70% at 100% 0%, rgb(var(--color-primary-rgb) / 0.12), transparent 55%),
    linear-gradient(165deg, var(--glass-highlight), transparent 50%),
    rgb(23 26 32 / 0.7);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
}

.map-placeholder {
  min-height: 12rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  text-align: center;
  padding: var(--space-5);
}

.related-grid {
  display: grid;
  gap: var(--space-4);
}

.suggest-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block-start: var(--space-4);
}

.suggest-chips a {
  min-height: 2.4rem;
  display: inline-flex;
  align-items: center;
  padding-inline: var(--space-3);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

.suggest-chips a:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: var(--color-accent-soft);
}

.demo-note {
  margin-block-start: var(--space-3);
  font-size: var(--font-size-caption);
  color: var(--color-warning);
}

.quote-cart-link[aria-current="page"] {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.preview-banner {
  position: sticky;
  inset-block-start: 0;
  z-index: 300;
  background: color-mix(in srgb, var(--color-warning, var(--color-primary)) 22%, var(--color-bg));
  border-block-end: 1px solid var(--color-border);
  padding-block: 0.65rem;
}

.preview-banner__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.preview-banner p {
  margin: 0;
  font-size: var(--font-size-small);
  color: var(--color-text);
}

body.has-preview-banner .site-header {
  inset-block-start: 0;
}

.quote-layout {
  display: grid;
  gap: var(--space-6);
}

.quote-list {
  display: grid;
  gap: var(--space-4);
}

.quote-item {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 0.75rem);
  background: var(--color-surface);
}

.quote-item__media {
  inline-size: 3.5rem;
  block-size: 3.5rem;
  display: grid;
  place-items: center;
  color: var(--color-secondary);
}

.quote-item__media svg {
  inline-size: 2rem;
  block-size: 2rem;
}

.quote-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

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

  .quote-item {
    grid-template-columns: auto 1fr auto;
    align-items: start;
  }
}

@media (min-width: 56rem) {
  .quote-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.8fr);
    align-items: start;
  }
}

/* ===== motion.css ===== */
/* NSS — consistent motion language (subtle / premium / accessible) */

/* Scroll reveal — foreign-site style rise + fade */
.reveal {
  opacity: 0;
  transform: translate3d(0, var(--motion-distance), 0) scale(0.985);
  filter: blur(2px);
  transition:
    opacity 700ms var(--ease-out),
    transform 700ms var(--ease-out),
    filter 700ms var(--ease-out);
  will-change: opacity, transform, filter;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
  will-change: auto;
}

.reveal-delay-1 {
  transition-delay: 90ms;
}

.reveal-delay-2 {
  transition-delay: 160ms;
}

.reveal-delay-3 {
  transition-delay: 230ms;
}

/* Hero entrance — once on load */
.hero__content .badge,
.hero__content .display,
.hero__content .lead,
.hero__content .hero__actions,
.hero-visual {
  animation: fade-rise var(--transition-slow) var(--ease-out) both;
}

.hero__content .display {
  animation-delay: 70ms;
}

.hero__content .lead {
  animation-delay: 130ms;
}

.hero__content .hero__actions {
  animation-delay: 190ms;
}

.hero-visual {
  animation-delay: 160ms;
}

/* Interactive surfaces */
.btn {
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    filter var(--transition-fast);
}

.btn:hover:not(:disabled):not([aria-disabled="true"]) {
  transform: translateY(var(--motion-lift));
}

.btn:active:not(:disabled):not([aria-disabled="true"]) {
  transform: translateY(1px);
}

.card,
.product-card,
.article-card,
.stat-card,
.panel,
.highlight-item,
.media-card {
  transition:
    transform var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

.card:hover,
.product-card:hover,
.article-card:hover,
.highlight-item:hover {
  transform: translateY(var(--motion-lift));
}

.card.reveal.is-visible:hover,
.product-card.reveal.is-visible:hover,
.article-card.reveal.is-visible:hover {
  transform: translateY(var(--motion-lift));
}

.stat-card:hover,
.panel:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.35);
}

/* Nav / tabs / chips */
.site-nav__link,
.admin-nav__link,
.tab,
.filter-chip,
.search-toggle,
.nav-toggle,
.site-footer a {
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.tab.is-active {
  transition:
    color var(--transition-normal),
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
}

@keyframes fade-rise {
  from {
    opacity: 0;
    transform: translate3d(0, 0.65rem, 0);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

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

  to {
    opacity: 1;
  }
}

@keyframes soft-scale-in {
  from {
    opacity: 0;
    transform: translate3d(0, 0.4rem, 0) scale(0.985);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.is-visible,
  .card,
  .product-card,
  .article-card,
  .stat-card,
  .panel,
  .highlight-item,
  .media-card,
  .btn {
    transition: none !important;
    transform: none !important;
    animation: none !important;
    filter: none !important;
  }

  .reveal {
    opacity: 1 !important;
    filter: none !important;
  }

  .hero__content .badge,
  .hero__content .display,
  .hero__content .lead,
  .hero__content .hero__actions,
  .hero-visual {
    animation: none !important;
  }

  .btn:hover:not(:disabled),
  .card:hover,
  .product-card:hover,
  .article-card:hover,
  .highlight-item:hover,
  .card.reveal.is-visible:hover {
    transform: none !important;
  }
}

/* ===== responsive.css ===== */
/* NSS — mobile-first breakpoints */

/* Very small phones */
@media (max-width: 22.49rem) {
  :root {
    --font-size-display: clamp(1.55rem, 8vw, 1.85rem);
    --font-size-h1: clamp(1.45rem, 7vw, 1.7rem);
    --header-height: 3.75rem;
  }

  .site-brand span:not(.site-brand__mark) {
    max-inline-size: 8.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-brand__logo {
    block-size: 1.7rem;
    max-inline-size: 6.5rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }
}

/* Large phones */
@media (min-width: 40rem) {
  .card-grid,
  .product-grid,
  .article-grid,
  .value-grid,
  .highlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-visual {
    inline-size: min(100%, 24rem);
  }

  .toolbar {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* Phones: the wordmark already identifies the brand, so the text label stays for screen readers. */
@media (max-width: 47.99rem) {
  .site-brand [data-content="brand-name"] {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}

/* Tablets / small laptops — desktop navigation */
@media (min-width: 48rem) {
  .nav-toggle,
  .nav-backdrop,
  .site-nav__toolbar {
    display: none !important;
  }

  .btn.site-header__cta {
    display: inline-flex;
  }

  .site-nav {
    position: static;
    inset: auto;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    display: block;
    min-height: 0;
    height: auto;
    padding: 0;
    background: transparent;
    border: 0;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    overflow: visible;
    transition: none;
  }

  .site-header__bar {
    gap: var(--space-5);
  }

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

  .site-nav__item {
    position: relative;
  }

  .site-nav__link {
    padding: var(--space-2) var(--space-3);
    min-height: auto;
    white-space: nowrap;
  }

  .site-nav__link[aria-current="page"] {
    box-shadow: inset 0 -2px 0 var(--color-secondary);
  }

  /* Desktop: hover / keyboard focus shows preview under the tab */
  .site-nav__preview {
    display: block;
    position: absolute;
    inset-block-start: calc(100% + 0.55rem);
    inset-inline-end: 0;
    z-index: 120;
    min-inline-size: 17rem;
    max-inline-size: min(22rem, 78vw);
    margin: 0;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(0.45rem);
    transition:
      opacity var(--transition-normal),
      visibility var(--transition-normal),
      transform var(--transition-normal);
  }

  .site-nav__preview--wide {
    min-inline-size: min(34rem, 86vw);
    max-inline-size: min(36rem, 90vw);
  }

  .site-nav__preview--wide .site-nav__preview-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-nav__preview::before {
    content: "";
    position: absolute;
    inset-block-start: -0.55rem;
    inset-inline: 0;
    block-size: 0.55rem;
  }

  .site-nav__item--has-preview:hover > .site-nav__preview,
  .site-nav__item--has-preview:focus-within > .site-nav__preview,
  .site-nav__item--has-preview.is-preview-open > .site-nav__preview {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* Keep sticky header from clipping the dropdown */
  .site-header {
    overflow: visible;
  }

  .site-header__bar {
    overflow: visible;
  }

  .site-header__actions {
    margin-inline-start: auto;
  }

  /* Keep brand | nav | actions in one row */
  .site-header__bar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .site-nav {
    justify-self: center;
  }

  .site-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

/* Desktops */
@media (min-width: 64rem) {
  .card-grid,
  .product-grid,
  .article-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .hero__grid,
  .detail-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-7);
    align-items: start;
  }

  .hero-visual {
    inline-size: min(100%, 26rem);
    justify-self: end;
  }

  .hero-visual--logo {
    inline-size: min(100%, 28rem);
  }

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

/* Large desktops */
@media (min-width: 90rem) {
  :root {
    --container-width: 76rem;
  }
}

/* Mobile search modal + touch polish */
@media (max-width: 47.99rem) {
  .search-modal {
    padding: 0;
    place-items: stretch;
  }

  .search-modal__dialog {
    width: 100%;
    max-height: 100dvh;
    min-height: 100dvh;
    border-radius: 0;
    padding:
      calc(env(safe-area-inset-top, 0px) + var(--space-4))
      var(--gutter)
      calc(env(safe-area-inset-bottom, 0px) + var(--space-4));
  }

  .search-modal__bar {
    grid-template-columns: 1fr;
  }

  .search-modal__bar .btn {
    width: 100%;
  }

  .search-toggle,
  .search-modal__close,
  .search-suggest-chip {
    min-width: 2.75rem;
    min-height: 2.75rem;
  }

  .site-header__actions {
    gap: var(--space-2);
  }

  .quote-cart-link {
    max-inline-size: 6.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-inline: 0.55rem;
  }

  .toast-host {
    inset-inline: var(--gutter);
    inset-block-end: var(--space-4);
    width: auto;
  }

  .demo-admin-link {
    inset-inline-start: var(--space-3);
    inset-block-end: var(--space-3);
  }

  .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-block-end: var(--space-3);
    scrollbar-width: thin;
  }

  .tab {
    flex: 0 0 auto;
  }

  .toolbar {
    gap: var(--space-3);
  }

  .toolbar__search,
  .toolbar__select,
  .form-control {
    min-height: 2.75rem;
  }
}