/* ================================================================
   ITERAL — Design System & Styles
   Enterprise-grade dark theme with indigo accents
   ================================================================ */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors — Base */
  --bg-primary: #070b14;
  --bg-elevated: #0d1220;
  --bg-card: #111827;
  --bg-card-hover: #161f33;
  --bg-section-alt: rgba(15, 23, 42, 0.5);

  /* Colors — Borders */
  --border-default: #1e293b;
  --border-subtle: #151d2e;
  --border-accent: #6366f1;

  /* Colors — Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #818cf8;

  /* Colors — Accent */
  --accent-primary: #6366f1;
  --accent-hover: #818cf8;
  --accent-deep: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.12);
  --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-py: 7rem;
  --container-max: 72rem;
  --container-px: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}


/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background: rgba(99, 102, 241, 0.3);
  color: var(--text-primary);
}

img {
  max-width: 100%;
  display: block;
}

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

ul, ol {
  list-style: none;
}


/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.25rem;
}

p {
  max-width: 65ch;
}

.mono {
  font-family: var(--font-mono);
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  font-weight: 600;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  display: block;
}

.lead-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 56ch;
}


/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.section {
  padding: var(--section-py) 0;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}


/* ===== TOP ACCENT BAR ===== */
.top-accent {
  height: 2px;
  background: var(--accent-gradient);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}


/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  top: 2px;
  z-index: 90;
  border-bottom: 1px solid var(--border-default);
  background: rgba(7, 11, 20, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  background: rgba(7, 11, 20, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.nav-logo-accent {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 95;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: transform var(--transition-base), opacity var(--transition-fast);
  border-radius: 2px;
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    justify-content: center;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border-default);
    padding: 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1rem;
  }

  .nav-link::after {
    display: none;
  }

  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 80;
  }

  .mobile-overlay.visible {
    opacity: 1;
    pointer-events: auto;
  }
}


/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

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

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 0.9375rem;
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}


/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 6rem 0 4rem;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridDrift 25s linear infinite;
  mask-image: radial-gradient(ellipse at 30% 20%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 20%, black 0%, transparent 70%);
}

@keyframes gridDrift {
  0% { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

.hero-glow {
  position: absolute;
  top: -120px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 44rem;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.hero h1 {
  margin-bottom: 1.75rem;
}

.hero h1 .muted {
  color: var(--text-muted);
  font-style: italic;
}

.hero-body {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 40rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

/* Trust bar */
.trust-bar {
  padding-top: 3rem;
  border-top: 1px solid var(--border-subtle);
}

.trust-bar-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.trust-bar-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.trust-bar-item {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.trust-bar-item:hover {
  opacity: 1;
}

.trust-bar-dot {
  width: 3px;
  height: 3px;
  background: var(--border-default);
  border-radius: 50%;
}


/* ===== SECTION DIVIDER ===== */
.divider {
  border: none;
  border-top: 1px solid var(--border-default);
  margin: 0;
}


/* ===== EXPERTISE CARDS ===== */
.expertise-header {
  margin-bottom: 3.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 24px var(--accent-glow);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-primary);
  margin-bottom: 1.25rem;
  opacity: 0.9;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.card-deliverables {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  margin-top: auto;
}

.card-deliverables li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
  padding-left: 1rem;
  position: relative;
}

.card-deliverables li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-size: 0.75rem;
}


/* ===== CASE STUDIES / VIGNETTES ===== */
.vignette {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-base);
}

.vignette:hover {
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.vignette-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-primary);
  background: var(--accent-glow);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.vignette h3 {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.vignette-detail {
  margin-bottom: 1.25rem;
}

.vignette-detail-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
}

.vignette-detail p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.vignette-metric {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.vignette-metric-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.vignette-metric-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}


/* ===== ITERAL METHOD ===== */
.method-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.method-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.75rem;
  padding: 2rem 0;
  position: relative;
}

.method-step:not(:last-child) {
  border-bottom: 1px solid var(--border-subtle);
}

.method-step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 3rem;
}

.method-step-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 50%;
  background: var(--accent-glow);
  flex-shrink: 0;
}

.method-step-line {
  width: 1px;
  flex: 1;
  background: linear-gradient(to bottom, rgba(99, 102, 241, 0.3), transparent);
  display: none;
}

.method-step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.625rem;
}

.method-step-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .method-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }

  .method-step {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0;
    border-left: 1px solid var(--border-default);
    padding-left: 1.5rem;
  }

  .method-step:first-child {
    border-left-color: var(--accent-primary);
  }

  .method-step:not(:last-child) {
    border-bottom: none;
  }

  .method-step-indicator {
    flex-direction: row;
    min-width: auto;
  }

  .method-step-line {
    display: none;
  }
}


/* ===== ABOUT ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
  }
}

.about-text p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.about-stat {
  padding: 1.25rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  text-align: center;
}

.about-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.375rem;
}

.about-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ===== TECHNOLOGY BAR ===== */
.tech-categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 640px) {
  .tech-categories {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tech-categories {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tech-category h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-default);
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-item {
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.3125rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.tech-item:hover {
  color: var(--text-primary);
  border-color: var(--border-default);
  background: var(--bg-card-hover);
}


/* ===== ENGAGEMENT MODELS ===== */
.engagement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.engagement-card:hover {
  border-color: rgba(99, 102, 241, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.engagement-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.engagement-card > p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.engagement-details {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

.engagement-details li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.3125rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.engagement-details li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-size: 0.75rem;
}


/* ===== CONTACT CTA ===== */
.contact-section {
  text-align: center;
  padding: var(--section-py) 0;
}

.contact-section h2 {
  margin-bottom: 1rem;
}

.contact-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 36rem;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--text-primary);
  padding: 1rem 2rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  transition: all var(--transition-base);
  margin-bottom: 1.5rem;
}

.contact-email:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}

.contact-email svg {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
}

.contact-location {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 1rem;
}


/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border-default);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-left {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer-link {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}


/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}


/* ===== RESPONSIVE ===== */
@media (min-width: 768px) {
  :root {
    --container-px: 2.5rem;
  }

  .hero {
    padding: 8rem 0 5rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-px: 3rem;
  }
}

@media (max-width: 639px) {
  :root {
    --section-py: 4.5rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-body {
    font-size: 1rem;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}


/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-left {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}

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

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