/* ======================================================================
   Elijah — shared stylesheet
   ----------------------------------------------------------------------
   Brutalist / Engineering editorial system.
   White ground, black ink, system type, monospace labels, raw grid.
   One accent: engineering red.
   ====================================================================== */

:root {
  --bg: #FFFFFF;
  --bg-soft: #F7F7F7;
  --ink: #0A0A0A;
  --ink-secondary: #333333;
  --ink-muted: #666666;
  --rule: #0A0A0A;
  --rule-light: #E0E0E0;
  --accent: #D72638;
  --accent-dark: #9E1B2B;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "SF Mono", "Menlo", "Consolas", "Liberation Mono", monospace;
  --space-unit: 8px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}
html, body, h1, h2, h3, p, ul, ol, li, figure, figcaption, dl, dt, dd {
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}

/* ======================================================================
   Grid overlay: engineering paper feel
   ====================================================================== */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image:
    linear-gradient(to right, var(--ink) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ink) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ======================================================================
   Typography helpers
   ====================================================================== */
.mono-label,
.nav-num,
.section__num,
.service-card__num,
.service-card__tag,
.project-item__meta,
.process-step__num,
.service-card__link,
.about-block__link,
.footer-nav a,
.site-nav a,
.lang-switch,
.btn,
.status-pill,
.prompt,
.caret,
.case__fact,
.faq-item__a,
.service-detail__fact-label {
  font-family: var(--font-mono);
}

.mono-label {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.prompt {
  color: var(--accent);
  margin-right: 0.35em;
}

.caret {
  color: var(--accent);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ======================================================================
   Layout
   ====================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

.rule {
  border: 0;
  height: 2px;
  background-color: var(--rule);
  margin: 0;
}

.section {
  padding: var(--space-3xl) 0;
}
@media (min-width: 768px) {
  .section {
    padding: var(--space-4xl) 0;
  }
}

.section-grid {
  display: grid;
  align-items: start;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .section-grid {
    grid-template-columns: 220px 1fr;
    gap: var(--space-3xl);
  }
}
@media (min-width: 1024px) {
  .section-grid {
    grid-template-columns: 280px 1fr;
    gap: var(--space-3xl);
  }
}

.section__header {
  position: relative;
}
.section__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}
.section__title {
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}
.section__subtitle {
  margin-top: var(--space-sm);
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  max-width: 40ch;
}

/* ======================================================================
   Header
   ====================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 2px solid var(--rule);
  padding: var(--space-sm) 0;
}
.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .header-grid {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }
}

.site-title {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
}
.site-title a {
  display: inline-flex;
  flex-direction: column;
  border-bottom: none;
}
.site-title__word {
  color: var(--ink);
}
.site-title__dot {
  color: var(--accent);
}
.site-title__tagline {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.4em;
}

.nav-toggle {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-secondary);
  background: none;
  border: 2px solid var(--ink);
  padding: 0.35em 0.75em;
  cursor: pointer;
}
.nav-toggle:hover {
  background-color: var(--ink);
  color: var(--bg);
}
@media (min-width: 640px) {
  .nav-toggle {
    display: none;
  }
}

.site-nav {
  display: none;
  list-style: none;
  gap: var(--space-md);
  justify-self: end;
}
@media (min-width: 640px) {
  .site-nav {
    display: flex;
  }
}
/* No-JS fallback: nav stays visible and wraps under the title */
html:not(.js) .site-nav {
  display: flex;
  flex-wrap: wrap;
}
/* Mobile menu: toggle button + drop-down panel */
@media (max-width: 639.98px) {
  .js .site-header.is-open .site-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg);
    border-bottom: 2px solid var(--rule);
    padding: var(--space-sm) var(--space-md) var(--space-lg);
    gap: var(--space-sm);
  }
}
.site-nav a {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-secondary);
  display: inline-flex;
  align-items: baseline;
  gap: 0.35em;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.15em;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.site-nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.nav-num {
  color: var(--ink-muted);
  font-size: 0.7em;
}
/* Current page marker in the nav */
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.lang-switch {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 2px solid var(--ink);
  padding: 0.35em 0.6em;
  color: var(--ink);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.lang-switch:hover {
  background-color: var(--ink);
  color: var(--bg);
}
@media (min-width: 768px) {
  .lang-switch {
    display: inline-block;
  }
}

/* ======================================================================
   Hero
   ====================================================================== */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-3xl) 0;
}
.hero__top-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-xl);
}
.hero__title {
  font-family: var(--font-sans);
  font-size: clamp(2.25rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  max-width: 18ch;
}
.hero__title strong {
  color: var(--accent);
  display: inline-block;
}
.hero__lead {
  margin-top: var(--space-lg);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--ink-secondary);
  max-width: 55ch;
  line-height: 1.6;
}
.hero__actions {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Subpage hero: shorter */
.hero--page {
  min-height: 0;
  padding: var(--space-3xl) 0 var(--space-2xl);
}
.hero--page .hero__title {
  max-width: 18ch;
  font-size: clamp(2rem, 6vw, 4.5rem);
}

/* ======================================================================
   Buttons
   ====================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0.9em 1.4em;
  border: 2px solid var(--ink);
  background-color: var(--bg);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.btn:hover {
  background-color: var(--ink);
  color: var(--bg);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent);
}
.btn--primary {
  background-color: var(--ink);
  color: var(--bg);
}
.btn--primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  box-shadow: 4px 4px 0 var(--ink);
}
.btn--ghost {
  color: var(--ink);
  background-color: transparent;
}
.btn--large {
  font-size: 1.125rem;
  padding: 1em 1.6em;
}

/* ======================================================================
   Problem checklist
   ====================================================================== */
.checklist {
  list-style: none;
  display: grid;
  gap: var(--space-md);
}
.checklist__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-size: clamp(1.125rem, 2.2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--rule-light);
}
.checklist__marker {
  font-family: var(--font-mono);
  color: var(--ink-muted);
  font-size: 0.75em;
  flex-shrink: 0;
}
.checklist__text {
  color: var(--ink);
}

/* ======================================================================
   Services
   ====================================================================== */
.services-list {
  display: grid;
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .services-list {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }
}
.service-card {
  border: 2px solid var(--ink);
  padding: var(--space-md);
  background-color: var(--bg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.service-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 6px 6px 0 var(--accent);
}
.service-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--rule-light);
}
.service-card__num {
  font-size: 0.75rem;
  color: var(--ink-muted);
}
.service-card__tag {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background-color: var(--ink);
  color: var(--bg);
  padding: 0.2em 0.5em;
}
.service-card__title {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.service-card__title a {
  transition: color 0.15s ease;
}
.service-card__title a:hover {
  color: var(--accent);
}
.service-card__desc {
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}
.service-card__link {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.1em;
}
.service-card__link:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ======================================================================
   Service detail (services.html)
   ====================================================================== */
.service-detail {
  padding: var(--space-2xl) 0;
  border-bottom: 2px solid var(--rule-light);
}
.service-detail:first-of-type {
  padding-top: 0;
}
.service-detail__title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.service-detail__lead {
  font-size: 1.125rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  max-width: 55ch;
  margin-bottom: var(--space-lg);
}
.service-detail__facts {
  list-style: none;
  display: grid;
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .service-detail__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}
.service-detail__fact {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-sm);
}
.service-detail__fact-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4em;
}
.service-detail__fact-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-secondary);
}

/* ======================================================================
   Process
   ====================================================================== */
.process-list {
  list-style: none;
  display: grid;
  gap: var(--space-lg);
}
@media (min-width: 768px) {
  .process-list {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}
.process-step {
  position: relative;
  padding-top: var(--space-md);
  border-top: 4px solid var(--ink);
}
.process-step__num {
  display: block;
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}
.process-step__title {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}
.process-step__desc {
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

/* ======================================================================
   Projects
   ====================================================================== */
.project-list {
  list-style: none;
  display: grid;
  gap: var(--space-md);
}
.project-item {
  position: relative;
  border: 2px solid var(--ink);
  padding: var(--space-md);
  background-color: var(--bg);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.project-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--accent);
}
.project-item__link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.project-item__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}
.project-item__link:hover .project-item__title {
  color: var(--accent);
}
.project-item__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-md);
  margin-bottom: var(--space-sm);
}
.project-item__title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.project-item__title a {
  transition: color 0.15s ease;
}
.project-item__title a:hover {
  color: var(--accent);
}
.project-item__meta {
  font-size: 0.75rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.project-item__desc {
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}
.status-pill {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.2em 0.55em;
}

/* ======================================================================
   Case studies (projects.html)
   ====================================================================== */
.case {
  padding: var(--space-2xl) 0;
  border-bottom: 2px solid var(--rule-light);
}
.case:first-of-type {
  padding-top: 0;
}
.case__header {
  margin-bottom: var(--space-md);
}
.case__title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}
.case__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-lg);
}
.case__fact {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.case__fact strong {
  color: var(--ink-secondary);
  font-weight: 700;
}
.case__body {
  display: grid;
  gap: var(--space-md);
  max-width: 65ch;
}
.case__body h3 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4em;
}
.case__body p {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink-secondary);
}

/* ======================================================================
   FAQ
   ====================================================================== */
.faq-list {
  list-style: none;
}
.faq-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--rule-light);
}
.faq-item:first-child {
  padding-top: 0;
}
.faq-item__q {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.4em;
}
.faq-item__a {
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-secondary);
}

/* ======================================================================
   CTA band
   ====================================================================== */
.cta-band {
  padding: var(--space-3xl) 0;
}
.cta-band__title {
  margin-bottom: var(--space-sm);
}
.cta-band__text {
  max-width: 55ch;
  margin-bottom: var(--space-lg);
  color: var(--ink-secondary);
  line-height: 1.6;
}

/* ======================================================================
   Contact
   ====================================================================== */
.section--contact {
  background-color: var(--bg-soft);
}
.contact-grid {
  display: grid;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }
}
.contact__statement .section__title {
  font-size: clamp(2rem, 5vw, 4rem);
}
.contact__lead {
  margin-top: var(--space-md);
  font-size: 1.125rem;
  color: var(--ink-secondary);
  line-height: 1.6;
  max-width: 40ch;
}
.contact__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-start;
}

/* ======================================================================
   About
   ====================================================================== */
.about-block__text {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.6;
  color: var(--ink-secondary);
  max-width: 55ch;
  margin-bottom: var(--space-md);
}
.about-block__text:first-child {
  color: var(--ink);
  font-weight: 700;
}
.about-block__link {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}
.about-block__link:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ======================================================================
   Project media
   ====================================================================== */
.placeholder-block {
  margin-top: var(--space-lg);
  overflow: hidden;
}
.placeholder-block__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--rule-light);
  border: 2px solid var(--ink);
}
.placeholder-block__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.case:hover .placeholder-block__media img {
  transform: scale(1.03);
}
.placeholder-block__media.is-missing::after {
  content: "作品圖待補 — 將圖片放入 assets/ 資料夾即可顯示";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-muted);
  text-align: center;
  padding: var(--space-md);
}
.placeholder-block__caption {
  margin-top: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ======================================================================
   Footer
   ====================================================================== */
.site-footer {
  padding: var(--space-md) 0;
  background-color: var(--ink);
  color: var(--bg);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}
.footer__line {
  font-size: 0.875rem;
  color: var(--bg);
}
.footer__line .mono-label {
  color: var(--bg);
  opacity: 0.6;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
}
.footer-nav a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bg);
  opacity: 0.7;
  border-bottom: 1px solid transparent;
  transition: opacity 0.15s ease, border-color 0.15s ease;
}
.footer-nav a:hover {
  opacity: 1;
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* ======================================================================
   Load-in reveal
   ====================================================================== */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ======================================================================
   Responsive
   ====================================================================== */
@media (max-width: 767.98px) {
  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }
  .hero__title {
    max-width: 100%;
  }
  .hero--page .hero__title {
    max-width: 100%;
  }
  .section-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .service-card:hover,
  .project-item:hover {
    transform: none;
    box-shadow: none;
  }
  .btn:hover {
    transform: none;
    box-shadow: none;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ======================================================================
   Accessibility
   ====================================================================== */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .caret {
    animation: none;
  }
}

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