:root {
  --td-primary: #008DBB;
  --td-secondary: #005D7A;
  --td-text: #F2FAFC;
  --td-accent: #F4C95D;
  --td-background: #06171D;
  --td-surface: #0B2731;
  --td-border: #195064;
  --td-muted: #BAD2D9;
  --td-shadow: 0 20px 55px rgba(0, 0, 0, .29);
}

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

html, body {
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--td-background);
  color: var(--td-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.68;
}

main, section, article, figure, img, a, button, h1, h2, h3, p, figcaption {
  max-width: 100%;
}

h1, h2, h3, p, a, button, figcaption, summary {
  overflow-wrap: anywhere;
  word-break: normal;
  white-space: normal;
}

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

a {
  color: var(--td-accent);
  text-underline-offset: 4px;
}

.tau77-download-a {
  width: 100%;
  min-width: 0;
  background:
    radial-gradient(circle at 88% 7%, rgba(0, 141, 187, .21), transparent 32rem),
    radial-gradient(circle at 8% 52%, rgba(0, 93, 122, .15), transparent 26rem),
    var(--td-background);
  color: var(--td-text);
}

.tau77-download-a > section {
  width: min(1140px, calc(100% - 40px));
  min-width: 0;
  margin: 0 auto;
  padding: 78px 0;
}

.tau77-download-gate,
.tau77-android-guide,
.tau77-ios-guide,
.tau77-first-session {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 52px;
  align-items: center;
}

.tau77-download-gate > *,
.tau77-download-actions > *,
.tau77-device-selector > *,
.tau77-download-timeline > *,
.tau77-android-guide > *,
.tau77-ios-guide > *,
.tau77-first-session > *,
.tau77-fix-list > *,
.tau77-final-download-actions > * {
  min-width: 0;
}

.tau77-download-gate {
  min-height: 660px;
}

.tau77-download-kicker,
.tau77-download-heading > span {
  display: inline-flex;
  align-items: center;
  color: var(--td-accent);
  font-size: .82rem;
  font-weight: 850;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.tau77-download-heading > span::before {
  width: 28px;
  height: 2px;
  margin-right: 10px;
  background: var(--td-primary);
  content: "";
}

.tau77-download-copy h1 {
  margin: 16px 0 20px;
  font-size: clamp(2.55rem, 6vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.tau77-download-copy h1 strong,
.tau77-download-route h2 strong,
.tau77-download-faq h2 strong,
.tau77-download-final h2 strong {
  color: var(--td-primary);
}

.tau77-download-copy > p,
.tau77-download-heading p,
.tau77-guide-copy p,
.tau77-first-copy p,
.tau77-download-final p {
  color: var(--td-muted);
}

.tau77-download-copy > p {
  font-size: 1.06rem;
}

.tau77-download-actions,
.tau77-final-download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 28px;
}

.tau77-download-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 23px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}

.tau77-download-button:hover {
  transform: translateY(-2px);
}

.tau77-download-primary {
  background: var(--td-primary);
  color: #021014;
  box-shadow: 0 13px 28px rgba(0, 141, 187, .22);
}

.tau77-download-primary:hover {
  background: #27BCEB;
  color: #021014;
}

.tau77-download-ghost {
  border-color: var(--td-border);
  background: var(--td-surface);
  color: var(--td-text);
}

.tau77-download-ghost:hover {
  border-color: var(--td-primary);
  background: var(--td-secondary);
  color: #FFFFFF;
}

.tau77-download-gold {
  background: var(--td-accent);
  color: #1B1503;
}

.tau77-download-gold:hover {
  background: #FFE28A;
  color: #1B1503;
}

.tau77-download-dark {
  border-color: rgba(255, 255, 255, .34);
  background: rgba(6, 23, 29, .82);
  color: #FFFFFF;
}

.tau77-download-dark:hover {
  background: var(--td-surface);
  color: var(--td-accent);
}

.tau77-download-checks {
  display: grid;
  gap: 8px;
  margin: 25px 0 0;
  padding: 0;
  color: var(--td-muted);
  list-style: none;
}

.tau77-download-visual,
.tau77-guide-image,
.tau77-first-image {
  margin: 0;
  min-width: 0;
}

.tau77-download-visual {
  justify-self: center;
  width: min(100%, 455px);
  padding: 11px;
  border: 1px solid var(--td-primary);
  border-radius: 29px;
  background: linear-gradient(150deg, rgba(0, 141, 187, .2), var(--td-surface));
  box-shadow: var(--td-shadow);
}

.tau77-download-visual img {
  min-height: 540px;
  border-radius: 20px;
}

.tau77-download-visual figcaption,
.tau77-first-image figcaption {
  padding: 13px 7px 3px;
  color: var(--td-muted);
  font-size: .85rem;
  text-align: center;
}

.tau77-download-heading {
  max-width: 770px;
  margin: 0 auto 36px;
  text-align: center;
}

.tau77-heading-left {
  margin-left: 0;
  text-align: left;
}

.tau77-download-heading h2,
.tau77-guide-copy h2,
.tau77-first-copy h2,
.tau77-download-final h2 {
  margin: 10px 0 16px;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.11;
  letter-spacing: -.03em;
}

.tau77-device-choice {
  padding-top: 48px !important;
}

.tau77-device-selector {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tau77-device-selector article {
  position: relative;
  padding: 30px;
  border: 1px solid var(--td-border);
  border-radius: 20px;
  background: linear-gradient(155deg, rgba(0, 141, 187, .15), rgba(11, 39, 49, .94));
}

.tau77-device-symbol {
  font-size: 1.65rem;
}

.tau77-device-selector h3 {
  margin: 13px 0 8px;
  font-size: 1.45rem;
}

.tau77-device-selector p {
  margin: 0 0 18px;
  color: var(--td-muted);
}

.tau77-device-link,
.tau77-inline-download {
  font-weight: 850;
}

.tau77-download-route {
  border-top: 1px solid rgba(25, 80, 100, .62);
}

.tau77-before-download {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  gap: 42px;
  align-items: center;
  padding-top: 54px !important;
  border-top: 1px solid rgba(25, 80, 100, .62);
}

.tau77-before-download > * {
  min-width: 0;
}

.tau77-before-copy h2 {
  margin: 10px 0 15px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.11;
  letter-spacing: -.03em;
}

.tau77-before-copy h2 strong {
  color: var(--td-primary);
}

.tau77-before-copy p {
  color: var(--td-muted);
}

.tau77-before-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tau77-before-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--td-border);
  border-radius: 13px;
  background: rgba(11, 39, 49, .77);
}

.tau77-before-list li > span {
  display: grid;
  width: 25px;
  height: 25px;
  flex: 0 0 25px;
  place-items: center;
  border-radius: 50%;
  background: var(--td-primary);
  color: #021014;
  font-weight: 900;
}

.tau77-before-list strong,
.tau77-before-list small {
  display: block;
}

.tau77-before-list small {
  margin-top: 2px;
  color: var(--td-muted);
  line-height: 1.45;
}

.tau77-download-timeline {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tau77-download-timeline li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  min-width: 0;
  padding: 23px 26px;
  border: 1px solid var(--td-border);
  border-radius: 16px;
  background: rgba(11, 39, 49, .72);
}

.tau77-download-timeline li > span {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 16px;
  background: var(--td-primary);
  color: #021014;
  font-weight: 900;
}

.tau77-download-timeline h3 {
  margin: 0 0 5px;
}

.tau77-download-timeline p {
  margin: 0;
  color: var(--td-muted);
}

.tau77-android-guide,
.tau77-ios-guide,
.tau77-first-session {
  border-top: 1px solid rgba(25, 80, 100, .62);
}

.tau77-guide-image img,
.tau77-first-image img {
  min-height: 430px;
  border: 1px solid var(--td-border);
  border-radius: 24px;
  box-shadow: var(--td-shadow);
}

.tau77-inline-download {
  display: inline-flex;
  margin-top: 9px;
}

.tau77-fix-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tau77-fix-list article {
  padding: 23px;
  border: 1px solid var(--td-border);
  border-radius: 17px;
  background: var(--td-surface);
}

.tau77-fix-list article > span {
  font-size: 1.35rem;
}

.tau77-fix-list h3 {
  margin: 12px 0 7px;
}

.tau77-fix-list p {
  margin: 0;
  color: var(--td-muted);
  font-size: .93rem;
}

.tau77-faq-stack {
  display: grid;
  gap: 11px;
}

.tau77-faq-stack details {
  border: 1px solid var(--td-border);
  border-radius: 15px;
  background: rgba(11, 39, 49, .88);
}

.tau77-faq-stack details[open] {
  border-color: var(--td-primary);
}

.tau77-faq-stack summary {
  padding: 18px 21px;
  font-weight: 820;
  cursor: pointer;
}

.tau77-faq-stack p {
  margin: 0;
  padding: 0 21px 19px;
  color: var(--td-muted);
}

.tau77-download-final {
  margin-bottom: 68px !important;
  padding: 56px !important;
  border: 1px solid var(--td-primary);
  border-radius: 27px;
  background:
    linear-gradient(120deg, rgba(0, 141, 187, .29), rgba(0, 93, 122, .14)),
    var(--td-surface);
  text-align: center;
  box-shadow: var(--td-shadow);
}

.tau77-download-final > span {
  display: grid;
  width: 56px;
  height: 56px;
  margin: 0 auto;
  place-items: center;
  border-radius: 17px;
  background: var(--td-accent);
  color: #1B1503;
  font-size: 1.7rem;
  font-weight: 900;
}

.tau77-download-final p {
  max-width: 740px;
  margin: 0 auto;
}

.tau77-final-download-actions {
  justify-content: center;
}

@media (max-width: 940px) {
  .tau77-download-gate,
  .tau77-android-guide,
  .tau77-ios-guide,
  .tau77-first-session,
  .tau77-before-download {
    grid-template-columns: 1fr;
  }

  .tau77-fix-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tau77-guide-image,
  .tau77-first-image {
    order: -1;
  }
}

@media (max-width: 640px) {
  .tau77-download-a > section {
    width: min(100% - 24px, 1140px);
    padding: 50px 0;
  }

  .tau77-download-gate {
    gap: 28px;
    min-height: 0;
    padding-top: 38px !important;
  }

  .tau77-download-copy h1 {
    font-size: clamp(2.15rem, 11.5vw, 3.15rem);
  }

  .tau77-download-heading h2,
  .tau77-guide-copy h2,
  .tau77-first-copy h2,
  .tau77-download-final h2,
  .tau77-before-copy h2 {
    font-size: clamp(1.7rem, 8.5vw, 2.2rem);
  }

  .tau77-device-selector,
  .tau77-fix-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .tau77-download-actions,
  .tau77-final-download-actions {
    gap: 9px;
  }

  .tau77-download-button,
  .tau77-download-actions a,
  .tau77-final-download-actions a {
    width: 100%;
    max-width: 100%;
  }

  .tau77-download-visual img,
  .tau77-guide-image img,
  .tau77-first-image img {
    min-height: 280px;
  }

  .tau77-device-selector article,
  .tau77-fix-list article {
    padding: 20px;
  }

  .tau77-download-timeline li {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 14px;
    padding: 18px;
  }

  .tau77-download-timeline li > span {
    width: 44px;
    height: 44px;
    border-radius: 13px;
    font-size: .84rem;
  }

  .tau77-download-final {
    margin-bottom: 36px !important;
    padding: 36px 20px !important;
  }
}