/* =====================================================
   Wedding Invitation - Abderrahman & Hanna
   Professional, Clean, Elegant Design
   ===================================================== */

:root {
  /* Color Palette */
  --color-cream: #FAF8F5;
  --color-beige: #F5F0E8;
  --color-beige-dark: #E8E0D4;
  --color-olive: #6B7B5E;
  --color-olive-light: #8A9A7C;
  --color-olive-dark: #4A5A40;
  --color-navy: #1E3A5F;
  --color-navy-light: #2D4A6F;
  --color-gold: #B8986E;
  --color-gold-light: #D4B896;
  --color-text: #2C2C2C;
  --color-text-muted: #6B6B6B;
  --color-white: #FFFFFF;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Montserrat', -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-medium: 0.4s var(--ease-out);
  --transition-slow: 0.8s var(--ease-out);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-cream);
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

/* =====================================================
   Scroll Progress
   ===================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-olive), var(--color-gold));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* =====================================================
   Hero / Envelope Section - FULL SCREEN ON MOBILE
   ===================================================== */
.hero-section {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-beige);
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.hero-section.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease-out, visibility 0.3s;
}

.envelope-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile: Full screen, no borders */
@media (max-width: 767px) {
  .envelope-wrapper {
    padding: 0;
  }

  .envelope-poster {
    width: 100%;
    height: 100%;
    border-radius: 0;
    box-shadow: none;
  }
}

/* Desktop: Centered with elegant sizing */
@media (min-width: 768px) {
  .envelope-wrapper {
    padding: var(--space-lg);
  }

  .envelope-poster {
    max-width: 450px;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
  }
}

.envelope-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform var(--transition-medium);
}

@media (min-width: 768px) {
  .envelope-poster:hover {
    transform: scale(1.02);
  }
}

.envelope-cta {
  position: absolute;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-cream);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.envelope-cta__text {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.envelope-cta__icon {
  animation: bounce 2s ease-in-out infinite;
}

.envelope-cta__icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* Video Overlay - MATCHES ENVELOPE DIMENSIONS */
.video-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-beige);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.1s ease-out, visibility 0.1s;
}

.video-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile: Full screen video like envelope */
.video-overlay video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Desktop: Same size as envelope */
@media (min-width: 768px) {
  .video-overlay video {
    width: auto;
    height: auto;
    max-width: 450px;
    max-height: 85vh;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
  }
}

/* =====================================================
   Main Content
   ===================================================== */
.main-content {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}

.main-content.visible {
  opacity: 1;
  visibility: visible;
}

/* Section Base */
.section {
  padding: var(--space-xl) var(--space-md);
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-2xl) var(--space-lg);
  }
}

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

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-olive);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  color: var(--color-navy);
  letter-spacing: 0.02em;
}

/* =====================================================
   Invitation Section
   ===================================================== */
.invitation-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
  overflow: hidden;
}

.invitation-bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130%;
  height: 130%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  object-position: center;
  filter: blur(6px) brightness(0.95);
  z-index: 0;
}

.invitation-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(250, 248, 245, 0.7);
  z-index: 1;
}

.invitation-content {
  max-width: 650px;
  position: relative;
  z-index: 2;
}

.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.ornament__line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.ornament__diamond {
  width: 8px;
  height: 8px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.invitation-prelude {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.couple-names {
  margin-bottom: var(--space-lg);
}

.couple-names__title {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.1;
}

.name-large {
  display: block;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  color: var(--color-navy);
  letter-spacing: 0.02em;
}

.conjunction {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-style: italic;
  color: var(--color-gold);
  margin: var(--space-xs) 0;
}

.date-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.date-block__day {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.date-block__date {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 500;
  color: var(--color-olive);
}

.date-block__venue {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

/* =====================================================
   Couple Section - Editorial Style
   ===================================================== */
.couple-section {
  background: var(--color-beige);
  overflow: hidden;
}

.couple-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 768px) {
  .couple-gallery {
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
  }
}

.couple-image {
  position: relative;
}

.couple-image__frame {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.couple-image__frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(184, 152, 110, 0.3);
  border-radius: 4px;
  pointer-events: none;
  z-index: 1;
}

.couple-image__frame img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.couple-image__frame:hover img {
  transform: scale(1.03);
}

.couple-image--1 .couple-image__frame {
  aspect-ratio: 3/4;
}

.couple-image--1 img {
  height: 100%;
  object-fit: cover;
}

.couple-image--2 .couple-image__frame {
  aspect-ratio: 1/1;
}

.couple-image--2 img {
  height: 100%;
  object-fit: cover;
}

@media (min-width: 768px) {
  .couple-image--1 {
    transform: translateY(30px);
  }
  .couple-image--2 {
    transform: translateY(-30px);
  }
}

.couple-quote {
  text-align: center;
  padding: var(--space-lg) 0;
}

@media (min-width: 768px) {
  .couple-quote {
    padding: var(--space-lg);
    max-width: 280px;
  }
}

.couple-quote blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-style: italic;
  color: var(--color-navy);
  line-height: 1.6;
}

.couple-quote blockquote::before,
.couple-quote blockquote::after {
  content: '"';
  color: var(--color-gold);
}

.couple-quote blockquote::after {
  content: '"';
}

/* =====================================================
   Event Details - Timeline Style
   ===================================================== */
.details-section {
  background: linear-gradient(180deg, var(--color-beige) 0%, var(--color-beige-dark) 100%);
}

.timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--color-gold), var(--color-olive));
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg));
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-cream);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  transform: translateX(-5.5px);
}

.timeline-item__time {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-olive);
  margin-bottom: var(--space-xs);
}

.timeline-item__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}

.timeline-item__location {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.timeline-item__description {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-muted);
}

/* Info Cards Grid */
.info-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

@media (min-width: 500px) {
  .info-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.info-card {
  background: var(--color-cream);
  padding: var(--space-lg);
  border-radius: 4px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(184, 152, 110, 0.15);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.info-card__icon {
  color: var(--color-olive);
  margin-bottom: var(--space-sm);
}

.info-card__icon svg {
  width: 32px;
  height: 32px;
}

.info-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.info-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.info-card__highlight {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-olive);
  margin-top: 0.25rem;
}

.info-card__subtext {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* =====================================================
   Venue Section
   ===================================================== */
.venue-section {
  background: var(--color-cream);
}

.venue-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

@media (min-width: 768px) {
  .venue-card {
    grid-template-columns: 1fr 1fr;
  }
}

.venue-card__content {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.venue-card__icon {
  color: var(--color-olive);
  margin-bottom: var(--space-md);
}

.venue-card__icon svg {
  width: 40px;
  height: 40px;
}

.venue-card__name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.venue-card__address {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.venue-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-navy);
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--color-navy);
  border-radius: 4px;
  transition: all var(--transition-fast);
  width: fit-content;
}

.venue-card__link:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.venue-card__link svg {
  width: 16px;
  height: 16px;
}

.venue-card__map {
  min-height: 300px;
  background: var(--color-beige);
  position: relative;
}

.map-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-beige) 0%, var(--color-beige-dark) 100%);
}

.map-placeholder__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-olive);
}

.map-placeholder__marker svg {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.map-placeholder__marker span {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-navy);
}

/* =====================================================
   Guest Notes Section
   ===================================================== */
.notes-section {
  background: var(--color-beige-dark);
}

.notes-card {
  background: var(--color-cream);
  padding: var(--space-xl);
  border-radius: 8px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.notes-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-navy);
  text-align: center;
  margin-bottom: var(--space-md);
}

.notes-card__list {
  list-style: none;
}

.notes-card__list li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.notes-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
}

/* =====================================================
   RSVP Section - Form with Storage
   ===================================================== */
.rsvp-section {
  background: var(--color-navy);
  color: var(--color-white);
  text-align: center;
}

.rsvp-section .section-label {
  color: var(--color-gold-light);
}

.rsvp-section .section-title {
  color: var(--color-white);
}

.rsvp-intro {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto var(--space-lg);
}

.rsvp-deadline {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-gold-light);
  margin-bottom: var(--space-lg);
}

.rsvp-form {
  max-width: 400px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
  text-align: left;
}

.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 2px solid transparent;
  border-radius: 4px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(184, 152, 110, 0.2);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 3rem;
}

.btn-rsvp {
  width: 100%;
  padding: 1rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-navy);
  background: var(--color-gold);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-rsvp:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(184, 152, 110, 0.4);
}

.btn-rsvp:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.rsvp-success {
  display: none;
  padding: var(--space-lg);
  background: rgba(107, 123, 94, 0.2);
  border-radius: 8px;
  margin-top: var(--space-md);
}

.rsvp-success.visible {
  display: block;
  animation: fadeIn 0.5s var(--ease-out);
}

.rsvp-success__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.rsvp-success__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.rsvp-success__text {
  color: rgba(255, 255, 255, 0.8);
}

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

.rsvp-contact {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.rsvp-contact p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
}

.rsvp-contact a {
  color: var(--color-gold-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.rsvp-contact a:hover {
  color: var(--color-white);
}

/* =====================================================
   Closing Section
   ===================================================== */
.closing-section {
  background: linear-gradient(180deg, var(--color-beige-dark) 0%, var(--color-beige) 100%);
  text-align: center;
}

.closing-ornament {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 0 auto var(--space-lg);
}

.closing-message {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-style: italic;
  color: var(--color-navy);
  line-height: 1.7;
  max-width: 550px;
  margin: 0 auto var(--space-lg);
}

.closing-names {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--color-olive);
}

.closing-heart {
  color: var(--color-gold);
  font-size: 0.8em;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
  background: var(--color-cream);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  border-top: 1px solid var(--color-beige-dark);
}

.footer-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.footer-ampersand {
  color: var(--color-gold);
}

.footer-quote {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.footer-date {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}

/* =====================================================
   Reveal Animations
   ===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

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