html,
body {
  height: 100%;
}

body {
  background: linear-gradient(90deg, #024b78, #0bb0be);
  margin: 0;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  font-family: 'Montserrat', sans-serif;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

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

/* Fits a 890×610 window with a 68px browser sidebar (~822×610 content)
   by compacting chrome — cards stay full size. */

/* header */
header {
  color: #ffffff;
  display: flex;
  flex: 0 0 auto;
  height: 48px;
  padding: 4px 12px;
  align-items: center;
  justify-content: start;
}

header img {
  height: 36px;
  width: auto;
}

header-logo {
  height: 50px;
  width: 100px;
}

.branding {
  font-weight: 600;
  margin: 0 12px;
  font-size: 1.25rem;
  text-transform: uppercase;
}

section {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 8px 0;
}

/* cards */
.download-cards {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  max-width: 1400px;
  text-align: center;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 0;
}

.download-cards-text {
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 0 2px;
  flex-shrink: 0;
}

.download-cards > a {
  font-size: 13px !important;
  margin-top: 2px !important;
  flex-shrink: 0;
}

.download-options {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  margin: 8px auto 0;
  gap: 4px;
  min-height: 0;
}

.download-row {
  display: contents;
}

#windows-option {
  order: 1;
}
#apple-silicon-option {
  order: 2;
}
#apple-arm-option {
  order: 3;
}
#apple-intel-option {
  order: 4;
}
#linux-option {
  order: 5;
}

/* When five full-size cards cannot sit on one row: Win+Linux on top, Macs below.
   Card size is driven by --card-height from index.js (innerHeight), not 100vh. */
@media (max-width: 1024px) {
  section {
    padding: 2px 6px 0;
    justify-content: center;
  }

  body.qt-embed section {
    padding-top: 4px;
  }

  .download-cards {
    flex: 0 1 auto;
    justify-content: flex-start;
    max-height: 100%;
  }

  .download-cards-text {
    font-size: 1.05rem;
  }

  .download-cards > a {
    font-size: 12px !important;
    margin-top: 0 !important;
  }

  .download-options {
    flex: 0 0 auto;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    margin-top: 2px;
  }

  .download-row {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: flex-start;
    gap: 2px;
    flex: 0 0 auto;
  }

  #windows-option,
  #apple-silicon-option,
  #apple-arm-option,
  #apple-intel-option,
  #linux-option {
    order: initial;
  }

  .card {
    width: 148px;
    height: var(--card-height, 200px);
    min-height: var(--card-height, 200px);
    max-height: var(--card-height, 200px);
    margin: 1px;
    padding: var(--card-pad, 12px) 14px;
  }

  .card:hover {
    transform: none;
  }

  .option-logo {
    font-size: var(--card-logo-size, 56px);
    margin-bottom: var(--card-logo-gap, 8px);
  }

  .card-info {
    min-height: 0;
  }

  .card-info h3 {
    margin: 0 0 2px;
    font-size: 0.95rem;
  }

  .card-info p {
    font-size: 11px;
    line-height: 1.15;
  }

  .card button {
    height: var(--card-btn-height, 30px);
    font-size: 13px;
  }

  .detected-message {
    height: 14px;
    margin-top: 0;
    font-size: 11px;
  }
}

/* Qt embed: collapse chrome so the download header sits at the top */
body.qt-embed header,
body.qt-embed footer {
  display: none;
}

body.qt-embed section {
  padding-top: 8px;
}

@media (max-width: 1024px) {
  body.qt-embed section {
    padding-top: 6px;
  }
}

/* Apple flip card */

.flip-card,
.flip-card--detected {
  background: transparent;
  margin: 15px;
  perspective: 500px;
  transition: 0.5s;
}

.flip-card:hover {
  transform: scale(1.1);
}

.flip-card:hover .flip-card-inner,
.flip-card--detected:hover .flip-card-inner {
  transform: rotatey(180deg);
}
.flip-card-inner {
  transition: 0.5s;
  transform-style: preserve-3d;
  box-shadow: 0px 8px 8px rgba(29, 28, 29, 0.5);
}

.flip-card-inner:hover {
  transition: 0.5s;
  box-shadow: 0px 12px 12px rgba(29, 28, 29, 0.5);
}

.flip-card-front,
.flip-card-back {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.flip-card-front {
  position: absolute;
  align-content: space-between;
  background: rgba(255, 255, 255, 1);
  border-radius: 8px;
  color: #1d1c1d;
  display: flex;
  flex-direction: column;
  font-weight: 500;
  height: 300px;
  padding: 40px 30px;
  width: 180px;
}
.flip-card-back {
  align-content: space-between;
  background: rgba(255, 255, 255, 1);
  border-radius: 8px;
  color: #1d1c1d;
  display: flex;
  flex-direction: column;
  font-weight: 500;
  height: 300px;
  padding: 40px 30px;
  width: 180px;
  transform: rotatey(180deg);
}
.version-selection {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 10px 0;
}
.version-selection button {
  margin: 0;
  width: 180px;
}

.version-selection p {
  margin-bottom: 2px;
}

/* standard card */

.option {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid transparent;
  border-radius: 15px;
  flex-shrink: 0;
}

.option--detected {
  border: 2px solid #ffffff;
  border-radius: 15px;
  transition: 0.5s;
}

.option--detected:hover {
  border: 2px solid #ffffff;
}

.detected-message {
  visibility: hidden;
  height: 18px;
  margin-top: 6px;
  font-size: 13px;
  text-shadow: 0px 5px 8px rgba(29, 28, 29, 0.5);
  width: 100%;
  text-align: center;
  pointer-events: none;
}

.detected-message--detected {
  visibility: visible;
}

.detected-message p {
  margin: 0;
}

.card {
  background: rgba(255, 255, 255, 1);
  border-radius: 8px;
  box-shadow: 0px 8px 8px rgba(29, 28, 29, 0.5);
  color: #1d1c1d;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-weight: 500;
  height: var(--card-height, 300px);
  min-height: var(--card-height, 300px);
  max-height: var(--card-height, 300px);
  margin: 6px;
  padding: var(--card-pad, 40px) 30px;
  width: 180px;
  transition: box-shadow 0.25s;
  z-index: 10;
  box-sizing: border-box;
  flex-shrink: 0;
}

.card:hover {
  box-shadow: 0px 12px 12px rgba(29, 28, 29, 0.5);
  transform: scale(1.05);
}

.card--detected {
  transform: none !important;
}

.option-logo {
  font-size: var(--card-logo-size, 100px);
  margin-bottom: var(--card-logo-gap, 20px);
  line-height: 1;
  flex-shrink: 0;
}

.card-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  flex: 1 1 auto;
  width: 100%;
  min-height: 90px;
  text-align: center;
}

.card-info h3 {
  margin: 0 0 6px;
  font-size: 1.17em;
  line-height: 1.2;
}

.card-info p {
  margin: 0;
  line-height: 1.35;
  font-size: 14px;
}

.card button {
  background: #007e9c;
  border: none;
  border-radius: 30px;
  color: #ffffff;
  font-size: medium;
  font-weight: 500;
  margin-top: auto;
  width: 100%;
  height: var(--card-btn-height, 40px);
  flex-shrink: 0;
  transition: 0.25s;
}

.card button:hover:not(:disabled) {
  background: #ffffff;
  border: 2px solid #007e9c;
  color: #007e9c;
  cursor: pointer;
  transition: 0.25s;
}

.card button:disabled {
  background: #9aa7ac;
  color: #ffffff;
  cursor: not-allowed;
}

.card button:active {
  background: #0bb0be;
  color: #ffffff;
  transition: 0.15s;
}

/* footer */

footer {
  border-top: 2px solid #007e9c;
  padding: 0 16px;
  font-size: 11px;
  background: #1d1c1d;
  color: #ffffff;
  position: relative;
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 40px;
  gap: 8px;
}

.copyright {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.social-links {
  display: flex;
  justify-content: flex-end;
  flex-shrink: 0;
}

.social-link {
  color: #ffffff;
  font-size: 1.25rem;
  margin: 0 6px;
  transition: 0.25s;
}

.social-link:hover {
  color: rgba(11, 176, 190, 0.8);
  cursor: pointer;
  transition: 0.25s;
}