/* ==========================================
   WATER DIGITAL CORPORATION - MAIN STYLES
   Modern, distinctive design with character
   ========================================== */

/* CSS Variables - Design System */
:root {
  /* Colors - Deep blues with warm accents */
  --color-primary: #0b5394;
  --color-primary-light: #0e74c5;
  --color-primary-dark: #073763;
  --color-accent: #ff8a00;
  --color-accent-light: #ffb84d;
  --color-accent-dark: #cc6f00;
  
  /* Neutrals */
  --color-ink: #0f172a;
  --color-slate: #334155;
  --color-muted: #64748b;
  --color-light: #f1f5f9;
  --color-white: #ffffff;
  
  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-alt: #f1f5f9;
  
  /* Typography */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, system-ui, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.07), 0 2px 4px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px rgba(15, 23, 42, 0.08), 0 4px 6px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px rgba(15, 23, 42, 0.1), 0 8px 10px rgba(15, 23, 42, 0.06);
  
  /* Transitions */
  --transition-base: 200ms ease;
  --transition-slow: 350ms ease;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--bg-primary);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ==========================================
   LAYOUT & CONTAINERS
   ========================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
}


.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  transition: var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition-base);
}

.brand:hover {
  opacity: 0.8;
}

.brand-logo {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-md);
  padding: 6px;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  color: var(--bg-alt);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
}

.nav-menu ul {
  display: flex;
  margin-top: 10px;
  margin-right: 30px;
  gap: var(--space-xs);
}

.nav-menu a {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  color: var(--color-slate);
  font-weight: 500;
  transition: var(--transition-base);
}

.nav-menu a:hover {
  background: var(--bg-alt);
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

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


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

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

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

.btn-large {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.btn svg {
  width: 20px;
  height: 20px;
  transition: var(--transition-base);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}


.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 0; 
  overflow: hidden;
  margin-top: -72px;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('../img/91692.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  
  /* Dark overlay for better text readability */
  background: rgba(11, 83, 148, 0.6);
  
  /* Optional: Add gradient overlay from top to bottom */
  background: linear-gradient(
    to bottom,
    rgba(11, 83, 148, 0.7) 0%,
    rgba(11, 83, 148, 0.5) 50%,
    rgba(11, 83, 148, 0.7) 100%
  );
}

/* Decorative overlay effect */
.hero-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(255, 138, 0, 0.15) 0%, transparent 50%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: calc(var(--space-3xl) + 72px) 0 var(--space-3xl); /* Add top padding to account for navbar */
  position: relative;
  z-index: 2; /* Above overlay */
}

.hero-text {
  color: var(--color-white);
  animation: fadeInUp 0.8s ease;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 600;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-title-accent {
  display: block;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: var(--space-sm);
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  opacity: 0.95;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 540px;
}

.stat-item {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  transition: var(--transition-base);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s ease 0.2s both;
  z-index: 2;
}

.hero-card {
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-logo {
  max-height: 400px;
  width: auto;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

.hero-card-glow {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle, rgba(255, 138, 0, 0.3) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-white);
  font-size: 0.875rem;
  opacity: 0.8;
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.hero-scroll-indicator:hover {
  opacity: 1;
}

.hero-scroll-indicator svg {
  width: 24px;
  height: 24px;
}

/* ==========================================
   SECTIONS
   ========================================== */

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-2xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ==========================================
   SERVICES GRID
   ========================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  border: 1px solid rgba(15, 23, 42, 0.05);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(11, 83, 148, 0.1), rgba(255, 138, 0, 0.1));
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  transition: var(--transition-base);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.service-description {
  color: var(--color-slate);
  line-height: 1.6;
}

/* ==========================================
   BENEFITS LIST
   ========================================== */

.benefits-list {
  display: grid;
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.benefit-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.benefit-item:hover {
  border-color: var(--color-primary);
  transform: translateX(8px);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  color: var(--color-white);
  flex-shrink: 0;
}

.benefit-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.benefit-content p {
  color: var(--color-slate);
  line-height: 1.6;
}

/* ==========================================
   FAQ SECTION
   ========================================== */

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.08);
  transition: var(--transition-base);
}

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

.faq-question {
  padding: var(--space-lg);
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: var(--transition-base);
  user-select: none;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  flex-shrink: 0;
  transition: var(--transition-base);
  color: var(--color-primary);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-slate);
  line-height: 1.7;
  animation: slideDown 0.3s ease;
}

/* ==========================================
   CONTACT FORM STYLES
   ========================================== */

.form-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.contact-form {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-weight: 600;
  color: var(--color-ink);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.required {
  color: #ef4444;
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  border: 2px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-ink);
  background: var(--bg-primary);
  transition: all var(--transition-base);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(11, 83, 148, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-muted);
  opacity: 0.6;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url('data:image/svg+xml,<svg width="12" height="8" viewBox="0 0 12 8" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1l5 5 5-5" stroke="%23475569" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Form Actions */
.form-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.form-actions button {
  min-width: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.form-notice {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-muted);
  text-align: center;
  max-width: 500px;
}

.form-notice svg {
  flex-shrink: 0;
  opacity: 0.7;
}

/* Responsive Form */
@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .form-actions {
    width: 100%;
  }
  
  .form-actions button {
    width: 100%;
  }
}

/* ==========================================
   CONTACT GRID
   ========================================== */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.contact-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.contact-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.contact-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  transition: var(--transition-base);
}

.contact-card:hover .contact-icon {
  transform: scale(1.1) rotate(-5deg);
}

.contact-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
}

.contact-info {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.contact-label {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background: var(--color-ink);
  color: var(--color-white);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-brand .brand-logo {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  max-width: 400px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-base);
}

.footer-column a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
  .hero-content {
    margin-top: 50px;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-text {
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-stats {
    margin: 0 auto;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    inset: 72px 0 0 0;
    background: white;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    height: calc(100vh - 72px);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-menu ul {
    flex-direction: column;
    gap: 1rem;
  }

  .menu-toggle {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    margin-top: -64px;
  }
  
  .hero-content {
    padding: calc(var(--space-2xl) + 64px) 0 var(--space-2xl);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .benefit-item {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .benefit-icon {
    margin: 0 auto;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 2rem;
    --space-2xl: 2.5rem;
    --space-3xl: 3rem;
  }
  
  .nav-container {
    height: 64px;
  }
  
  .brand-name {
    font-size: 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .btn-large {
    padding: 14px 24px;
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

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

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

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