/*! HTML5 Boilerplate v9.0.1 | MIT License | https://html5boilerplate.com/ */

/* main.css 3.0.0 | MIT License | https://github.com/h5bp/main.css#readme */
/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */

html {
  color: #222;
  font-size: 1em;
  line-height: 1.4;
  height: 100%; 
  /* need it for the background img */
}

/*
 * Remove text-shadow in selection highlight:
 * https://twitter.com/miketaylr/status/12228805301
 *
 * Customize the background color to match your design.
 */

::-moz-selection {
  background: #b3d4fc;
  text-shadow: none;
}

::selection {
  background: #b3d4fc;
  text-shadow: none;
}

/*
 * A better looking default horizontal rule
 */

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0;
}

/*
 * Remove the gap between audio, canvas, iframes,
 * images, videos and the bottom of their containers:
 * https://github.com/h5bp/html5-boilerplate/issues/440
 */

audio,
canvas,
iframe,
img,
svg,
video {
  vertical-align: middle;
}

/*
 * Remove default fieldset styles.
 */

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

/*
 * Allow only vertical resizing of textareas.
 */

textarea {
  resize: vertical;
}

/* ==========================================================================
   Author's custom styles
   ========================================================================== */
/* Base styles from your original CSS remain unchanged unless specified */

/* Author's custom styles */

/* Base styles from your original CSS remain unchanged unless specified */

/* Author's custom styles */
body {
  font-family: "Quicksand", sans-serif;
  font-weight: bold;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  /* height: 100vh; */
  height: 100%;
  /* need height: 100%; for the background img */
  overflow: hidden;
  
  background: #040605; 
  background-image: url("../img/dust_cover.jpg") !important;

  background-size: cover;
  background-repeat: no-repeat;
}



.main-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: 24px 16px;
}

.text-container {
  /* background-color: yellow; */
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  /* gap: 16px; */
  gap: 8px;
  width: 100%;
  max-width: 800px; 
}



/* responsive text */
h1.main-heading {
  position: relative;
  font-size: clamp(24px, 3vw, 56px); 
  color: #ffff; 
  margin-top: clamp(20px, 6vh, 60px); /* for dynamic top spacing without pushing too much on small screens */
}

h2.second-heading,
h3.third-heading {
  /* padding: 8px 32px; */
  padding: 4px 24px; /* reduced padding to bring text closer */
  margin: 0;
  font-weight: normal;
  color: #fff;
}

h2.second-heading {
  font-size: clamp(18px, 2vw, 36px);
  margin-bottom: 12px; 
}

h3.third-heading {
  font-size: clamp(16px, 1.8vw, 32px);
  margin-bottom: 50px;
}

.text-container h1, 
.text-container h2, 
.text-container h3 {
  max-width: 800px; 
  text-align: center; 
  line-height: 1.6; 
}


.scratch-wrapper {
  flex-grow: 0;     /* flex:1 gave it a large margin-top   */        
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  overflow: hidden;     /* gides any overflow if the ticket is too large */
  /* background-color: blue; */
  padding-top: 10px; /* reduced top padding to bring it closer to h3 */
}


/* scratch and flip container */
.scratch-container {
  width: 100%;          /* takes the full width of its parent */
  max-height: 100%;     /* prevents it from exceeding the parent’s height */
  aspect-ratio: 2 / 1;  /* keeps the ticket at a 2:1 ratio */
  position: relative;   /* needed for absolute positioning of child elements */
  background-color: #040605; /* swatched from the background image's color */
}

.download-container, 
.reveal-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 20px; /* ensures consistent spacing */
  gap: 10px; /* adds even space between buttons */

}

#download-btn, #reveal-btn {
  background-color: #E4572E; 
  color: #fff;
  padding: 14px 24px;
  font-size: 1.1rem;
  font-weight: bold;
  border-radius: 8px;
  transition: background 0.3s ease-in-out;
  display: inline-block;
  /* width: 200px; ensures both buttons are equal */
  width: clamp(160px, 20vw, 220px); /* scales properly */
  padding: clamp(10px, 1.5vw, 14px) clamp(18px, 3vw, 24px);
  text-align: center;
  box-sizing: border-box;
  border: none; /* removing default button borders */
  cursor: pointer; /* it's always clickable */
  pointer-events: auto; /* allows interaction */
}

#download-btn:hover,
#reveal-btn:hover {
  background-color: #D13F0E; 
  outline: 3px solid #fff; /* high contrast focus */
}

#download-btn:focus,
#reveal-btn:focus {
  outline: 3px solid yellow !important; /* high-contrast focus */
  outline-offset: 3px;
}


.flip-card {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  perspective: 1000px; /* adds a 3D depth for flip */
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden; /* hides the back side when facing away */
}

.flip-card-back {
  transform: rotateY(180deg); /* rotates back side to face away initially */
}

.ticket {
  width: 100%;
  height: 100%;
}

.ticket img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  cursor: grabbing;
}

/* adjusting font sizes for smaller screens */
@media (max-width: 600px) {
  h1.main-heading {
    font-size: clamp(18px, 6vw, 36px);
  }
  h2.second-heading {
    font-size: clamp(16px, 5vw, 28px);
  }
  h3.third-heading {
    font-size: clamp(14px, 4vw, 24px);
  }
  .scratch-wrapper {
    padding-top: 5px; /* further reduced padding for small screens */
  }
  .scratch-container {
    width: 100%;
    max-height: 100%;
    aspect-ratio: 2 / 1;
  }
}

/* animating the text */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeIn {
  0% { opacity: 0; visibility: hidden; }
  100% { opacity: 1; visibility: visible; }
}


.text-container h1.main-heading,
.text-container h2.second-heading,
.text-container h3.third-heading,
#download-btn,
#reveal-btn,
.qr-float {
  opacity: 0;
  visibility: hidden; /*prevents interaction while hidden, not good */
}


.text-container h1.main-heading { 
  animation: fadeIn 10s linear forwards;
  animation-delay: 0s; /* starts immediately */
} 

.text-container h2.second-heading { 
  animation: fadeIn 12s linear forwards;
  animation-delay: 5s; /* starts after h1 finishes */
}

.text-container h3.third-heading { 
  animation: fadeIn 13s linear forwards;
  animation-delay: 10s; /* starts after h2 finishes */
} 

#download-btn, #reveal-btn, .qr-float {
  animation: fadeIn 10s linear forwards;
  animation-delay: 15s; 
}

/* QR code */
.qr-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background: #ffff;
    padding: 8px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}


.qr-float:hover {
  background-color: #E4572E; 
  padding: 10px 10px;
  transition: background 0.3s ease-in-out;
  outline: 3px solid #fff;
} 

/* .qr-float img {
    width: 64px;
    height: 64px;
} */

.qr-float img:focus {
  outline: 10px solid #E4572E !important; 
  outline-offset: 4px; 
  border-radius: 4px; 
  padding: 2px 2px;
  /* background-color: #E4572E;  */
  transition: background 0.3s ease-in-out;
}


/* Rest of your original CSS (helper classes, media queries, print styles) remains unchanged */


/* ------------------------------- */


/* ==========================================================================
   Helper classes
   ========================================================================== */

/*
 * Hide visually and from screen readers
 */

.hidden,
[hidden] {
  display: none !important;
}

/*
 * Hide only visually, but have it available for screen readers:
 * https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
 *
 * 1. For long content, line feeds are not interpreted as spaces and small width
 *    causes content to wrap 1 word per line:
 *    https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
 */

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

/*
 * Extends the .visually-hidden class to allow the element
 * to be focusable when navigated to via the keyboard:
 * https://www.drupal.org/node/897638
 */

.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  white-space: inherit;
  width: auto;
}

/*
 * Hide visually and from screen readers, but maintain layout
 */

.invisible {
  visibility: hidden;
}

/*
 * Clearfix: contain floats
 *
 * The use of `table` rather than `block` is only necessary if using
 * `::before` to contain the top-margins of child elements.
 */

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

/* ==========================================================================
   EXAMPLE Media Queries for Responsive Design.
   These examples override the primary ('mobile first') styles.
   Modify as content requires.
   ========================================================================== */

@media only screen and (min-width: 35em) {
  /* Style adjustments for viewports that meet the condition */
}

@media print,
  (-webkit-min-device-pixel-ratio: 1.25),
  (min-resolution: 1.25dppx),
  (min-resolution: 120dpi) {
  /* Style adjustments for high resolution devices */
}

/* ==========================================================================
   Print styles.
   Inlined to avoid the additional HTTP request:
   https://www.phpied.com/delay-loading-your-print-css/
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    /* Black prints faster */
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
  }

  abbr[title]::after {
    content: " (" attr(title) ")";
  }

  /*
   * Don't show links that are fragment identifiers,
   * or use the `javascript:` pseudo protocol
   */
  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }

  pre {
    white-space: pre-wrap !important;
  }

  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }
}