/*CSS CUSTOM PROPERTIES (CSS Variables)*/
:root {
  --caribbean-blue: #00d4ff;
  --turquoise: #40e0d0;
  --coral: #ff6b6b;
  --sunset-orange: #ff8c42;
  --mexican-gold: #ffd700;
  --sand: #f5deb3;
  --deep-purple: #272044;
  --ocean-deep: #1a1530;
  --white-sand: #fafafa;
  --text-dark: #2c3e50;
  --text-light: #555;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.75rem;
  --font-size-2xl: 2.5rem;
  --font-size-3xl: 4rem;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/*BASE STYLES - MOBILE FIRST*/

* {
  box-sizing: border-box;
}

body {
  background: var(--deep-purple);
  font-family: "Poppins", sans-serif;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/*SKIP-LINK(Accessibility)*/

.skip-link {
  background: var(--deep-purple);
  color: #fff;
  left: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  position: absolute;
  text-decoration: none;
  top: -40px;
  z-index: 100;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/*FOCUS INDICATORS(Accessibility)*/

*:focus {
  outline: 3px solid var(--caribbean-blue);
  outline-offset: 2px;
}

a:focus,
button:focus,
.btn:focus {
  outline: 3px solid var(--caribbean-blue);
  outline-offset: 3px;
}

/*LAYOUT CONTAINERS*/

.container {
  padding: 0;
  width: 100%;
}

/*GRID SYSTEMS*/

.grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
}

.grid-2-columns {
  grid-template-columns: 1fr;
}

.grid-places {
  grid-template-columns: 1fr;
  margin-top: var(--spacing-sm);
}

.grid-3-columns-first-narrow {
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

/*CARD COMPONENT*/

.card {
  background-color: #fff;
  border-radius: 0.5rem;
  border-top: 4px solid var(--turquoise);
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.1),
    inset 0 -2px 0 var(--sand);
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100%;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-top-color var(--transition-base);
  overflow: hidden;
}

.card:hover {
  border-top-color: var(--coral);
  box-shadow:
    0 12px 24px rgba(0, 212, 255, 0.3),
    inset 0 -2px 0 var(--sunset-orange);
  transform: translateY(-8px);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  position: relative;
  width: 100%;
}

.card-header img {
  border-radius: 0.5rem 0.5rem 0 0;
  transition: transform var(--transition-base);
}

.card:hover .card-header img {
  transform: scale(1.05);
}

.card-body {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  text-align: left;
}

.card-body h3 {
  color: var(--deep-purple);
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: 0.3125rem;
  margin: 0 0 var(--spacing-xs) 0;
}

.card-category {
  color: var(--deep-purple);
  font-size: var(--font-size-md);
  font-weight: 800;
  letter-spacing: 0.1rem;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.card-body h4,
.card-body h5 {
  color: var(--deep-purple);
  font-size: 1.2rem;
  font-weight: 700;
  margin: var(--spacing-sm) 0 var(--spacing-sm) 0;
}

.card-body p {
  margin-bottom: var(--spacing-sm);
}

.card-body p:last-of-type {
  margin-bottom: 0;
}

.card-footer {
  padding: 0 var(--spacing-sm) var(--spacing-sm) var(--spacing-sm);
  text-align: left;
}

/*HEADER SECTION*/

header {
  background-image:
    linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(255, 107, 107, 0.2)),
    linear-gradient(rgba(39, 32, 68, 0.5), rgba(39, 32, 68, 0.7)),
    url("/images/cancun-background.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: #fff;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  position: relative;
}

header p {
  font-weight: 900;
  font-size: var(--font-size-base);
  line-height: 1.5;
  letter-spacing: 0.3125rem;
  margin: 0;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

header h1 {
  font-style: normal;
  font-weight: 700;
  font-size: var(--font-size-2xl);
  line-height: 1.2;
  margin: var(--spacing-sm) 0 var(--spacing-xs) 0;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
}

header h2 {
  font-weight: 400;
  font-size: var(--font-size-lg);
  line-height: 1.4;
  margin: 0 0 var(--spacing-md) 0;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

header a {
  background: linear-gradient(135deg, #fff, var(--sand));
  border-radius: 0.25rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  color: var(--deep-purple);
  display: inline-block;
  font-weight: 700;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  text-align: center;
  letter-spacing: 0.1875rem;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-decoration: none;
  text-transform: uppercase;
  transition: all var(--transition-base);
}

header a:hover {
  background: var(--sand);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  transform: scale(1.05);
}

header::before {
  content: "";
  position: absolute;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background: radial-gradient(
    circle,
    var(--mexican-gold) 0%,
    var(--sunset-orange) 70%,
    transparent 70%
  );
  border-radius: 50%;
  box-shadow:
    0 0 20px var(--mexican-gold),
    0 0 40px rgba(255, 215, 0, 0.4);
  animation: pulse-sun 3s ease-in-out infinite;
}

@keyframes pulse-sun {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

/*MAIN CONTENT SECTION*/

main {
  background-color: #fff;
}

section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

/*IMAGES*/

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

/*TYPOGRAPHY*/

main h2 {
  color: var(--deep-purple);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.3125rem;
  line-height: 1.5;
  margin: 0 0 var(--spacing-xs) 0;
  text-transform: uppercase;
}

main h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--turquoise),
    var(--coral),
    var(--sunset-orange)
  );
  margin: var(--spacing-xs) auto 0 auto;
  border-radius: 2px;
}

.secondary h2::after,
.gallery h2::after {
  margin-left: auto;
  margin-right: auto;
}

.why-cancun h2::after {
  margin-left: 0;
  margin-right: auto;
}

main h3 {
  color: var(--deep-purple);
  font-size: var(--font-size-xl);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 var(--spacing-sm) 0;
}

main p {
  color: var(--text-light);
  font-size: var(--font-size-base);
  font-style: normal;
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

main p:last-child {
  margin-bottom: 0;
}

/*SECONDARY SECTIONS*/

.secondary,
.gallery {
  text-align: center;
}

.secondary::before,
.gallery::before {
  content: "◆ ◆ ◆ ◆ ◆";
  display: block;
  text-align: center;
  color: var(--turquoise);
  font-size: 1.5rem;
  letter-spacing: 1rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.6;
}

.secondary {
  position: relative;
  padding-top: calc(var(--spacing-xxl) + 20px);
}

.secondary::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  background:
    linear-gradient(135deg, var(--sunset-orange) 25%, transparent 25%),
    linear-gradient(225deg, var(--sunset-orange) 25%, transparent 25%);
  background-position:
    0 0,
    10px 0;
  background-size: 20px 20px;
  background-repeat: repeat-x;
}

/*BUTTONS*/

.btn {
  background: linear-gradient(135deg, var(--caribbean-blue), var(--turquoise));
  border-radius: 0.25rem;
  box-shadow: 0 4px 6px rgba(0, 212, 255, 0.2);
  color: #fff;
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1875rem;
  padding: 0.75rem var(--spacing-sm);
  text-decoration: none;
  text-transform: uppercase;
  transition: all var(--transition-base);
}

.btn:hover {
  background: linear-gradient(135deg, var(--turquoise), var(--caribbean-blue));
  box-shadow: 0 6px;
  transform: translateY(-2px);
}

/*EMBEDS (Maps and Videos*/

.embed {
  animation: loading 1.5s infinite;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0);
  background-size: 200%, 100%;
  border-radius: 0.25rem;
  display: block;
  height: 200px;
  width: 100%;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/*SCREEN READER ONLY TEXT*/

.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;
}

/*GALLERY SECTION*/

.gallery {
  position: relative;
  padding-top: calc(var(--spacing-xxl) + 20px);
}

.gallery::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  background:
    linear-gradient(135deg, var(--sunset-orange) 25%, transparent 25%),
    linear-gradient(225deg, var(--sunset-orange) 25%, transparent 25%);
  background-position:
    0 0,
    10px 0;
  background-size: 20px 20px;
  background-repeat: repeat-x;
}

/*Video Grid*/

.grid-container-video {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
  padding: 0;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.video-wrapper {
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  position: relative;
  width: 100%;
}

.video-wrapper iframe {
  aspect-ratio: 16 / 9;
  display: block;
  width: 100%;
}

/*Photo Grid with Auto-fit*/

.grid-container-photos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-sm);
  padding: 0;
  margin-top: var(--spacing-sm);
}

.photo-item {
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  position: relative;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.photo-item:hover {
  box-shadow: 0 8px 20px rgba(0, 212, 255, 0.2);
}

.photo-item img {
  transition: transform var(--transition-slow);
}

.photo-item:hover img {
  transform: scale(1.1);
}

/*FOOTER SECTION*/

footer {
  border-top: 5px solid transparent;
  border-image: linear-gradient(
      90deg,
      var(--turquoise),
      var(--coral),
      var(--sunset-orange),
      var(--mexican-gold),
      var(--turquoise)
    )
    1;
  background-image:
    linear-gradient(rgba(39, 32, 68, 0.9), rgba(39, 32, 68, 0.9)),
    url("/images/cancun_logo-transparent.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  color: #fff;
  padding: var(--spacing-xl) var(--spacing-md);
}

footer h3 {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 var(--spacing-sm) 0;
}

footer p {
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.6;
  margin: 0;
}

footer ul {
  margin: 0;
  padding: 0;
}

footer li {
  list-style: none;
  margin: 0 0 var(--spacing-xs) 0;
  padding: 0;
}

footer li:last-child {
  margin-bottom: 0;
}

footer a {
  color: #fff;
  text-decoration: underline;
  transition: opacity var(--transition-base);
}

footer a:hover {
  color: var(--caribbean-blue);
  opacity: 0.8;
}

/*PRINT STYLES*/

@media print {
  header,
  footer,
  .embed,
  iframe,
  .video-wrapper,
  .skip-link {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .card {
    page-break-inside: avoid;
  }

  a {
    text-decoration: underline;
  }

  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
}

/*RESPONSIVE DESIGN - MOBILE FIRST*/

/*TABLET (768px and up)*/

@media (min-width: 768px) {
  header {
    padding: 5rem var(--spacing-lg);
  }

  header p {
    font-size: 1.5rem;
  }

  header h1 {
    font-size: var(--font-size-3xl);
  }

  header h2 {
    font-size: 2rem;
  }

  section {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }

  .grid-2-columns {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
  }

  .grid-2-columns .img-responsive {
    max-height: 100%;
    object-fit: cover;
    width: 100%;
    padding-top: 4rem;
  }

  .why-cancun::before {
    left: -20px;
    width: 8px;
  }

  header::before {
    width: 80px;
    height: 80px;
    top: 30px;
    right: 30px;
  }

  .grid-places {
    grid-template-columns: repeat(3, 1fr);
    margin-top: var(--spacing-md);
  }

  .card-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .card-header img,
  .card-header iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    height: auto;
  }

  .card-header img {
    border-radius: 0.5rem 0.5rem 0 0;
  }

  .card-header iframe {
    border-radius: 0;
  }

  .embed {
    height: 250px;
  }

  main h2 {
    font-size: var(--font-size-base);
  }

  main h3 {
    font-size: 2.25rem;
  }

  .grid-container-video {
    grid-template-columns: repeat(2, 1fr);
    margin-top: var(--spacing-md);
  }

  .grid-container-photos {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-top: var(--spacing-md);
  }

  .grid-3-columns-first-narrow {
    gap: var(--spacing-xl);
    grid-template-columns: 1fr 1.75fr 1.75fr;
  }

  footer {
    padding: 5rem var(--spacing-lg);
  }

  footer h3 {
    font-size: 1.25rem;
  }

  footer p {
    font-size: var(--font-size-base);
  }
}

/*INTERMEDIATE BREAKPOINT(900px)*/

@media (min-width: 900px) {
  .grid-container-photos {
    grid-template-columns: repeat(4, 1fr);
  }
}

/*DESKTOP (1024px and up)*/

@media (min-width: 1024px) {
  header {
    padding: 6.25rem var(--spacing-lg);
  }

  header h1 {
    font-size: 5rem;
  }

  header h2 {
    font-size: 2.5rem;
  }

  header a {
    margin-top: var(--spacing-lg);
  }

  section {
    padding: 6.25rem var(--spacing-lg);
  }

  header::before {
    width: 100px;
    height: 100px;
  }

  .grid {
    gap: var(--spacing-xxl);
  }

  .grid-2-columns {
    gap: var(--spacing-xxl);
  }

  .grid-2-columns .img-responsive {
    max-height: 100%;
    object-fit: cover;
    width: 100%;
    padding-top: 4rem;
  }

  .why-cancun {
    padding: var(--spacing-xxl);
    position: relative;
    border-left: 5px solid transparent;
    border-image: linear-gradient(
        to bottom,
        var(--turquoise),
        var(--coral),
        var(--sunset-orange),
        var(--mexican-gold)
      )
      1;
  }

  .why-cancun::before {
    content: "";
    position: absolute;
    top: 0;
    left: -15px;
    width: 5px;
    height: 100%;
    background: repeating-linear-gradient(
      0deg,
      var(--turquoise) 0px,
      var(--turquoise) 10px,
      var(--coral) 10px,
      var(--coral) 20px,
      var(--sunset-orange) 20px,
      var(--sunset-orange) 30px,
      var(--mexican-gold) 30px,
      var(--mexican-gold) 40px
    );
    border-radius: 3px;
  }

  main h3 {
    font-size: 2.5rem;
  }

  footer {
    padding: 6.25rem 2rem;
  }
}

/*LARGE DESKTOP (1200px and up)*/

@media (min-width: 1200px) {
  .container {
    margin: 0 auto;
    max-width: 1400px;
  }

  .grid-container-photos {
    gap: var(--spacing-lg);
  }
}

/*EXTRA LARGE SCREENS(1600px and up)*/

@media (min-width: 1600px) {
  .container {
    max-width: 1600px;
  }

  section {
    padding: 8rem var(--spacing-lg);
  }
}