* { box-sizing: border-box; }

:root {
  --blue: #2d6cdf;
  --dark: #242438;
  --text: #292b2f;
  --muted: #69707a;
  --line: #e5e7eb;
}

html, body { margin: 0; min-height: 100%; }

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #fff;
}

.site-header {
  height: 154px;
  border-bottom: 1px solid #ddd;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px 0 58px;
}

.zoom-logo {
  color: #2167d8;
  font-size: 88px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -7px;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 60px;
}

.nav-link, .language {
  color: #1556bd;
  text-decoration: none;
  font-size: 28px;
  font-weight: 700;
}

.language {
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.language span { font-size: 18px; margin-left: 5px; }

.page {
  padding: 126px 48px 170px;
}

.page h1 {
  margin: 0;
  font-size: 55px;
  line-height: 1.1;
  font-weight: 700;
}

.divider {
  height: 2px;
  background: var(--line);
  margin: 125px 0 82px;
}

.meeting-info {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  font-size: 28px;
  line-height: 1.4;
}

.label { font-weight: 500; }

.blue-link {
  color: #2b6edb;
  text-decoration: none;
}

.acceptance {
  margin-top: 190px;
}

.acceptance h2 {
  font-size: 38px;
  margin: 0 0 125px;
}

.acceptance p {
  max-width: 1120px;
  font-size: 27px;
  line-height: 1.5;
  margin: 0 0 65px;
}

.primary-button {
  width: 100%;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 15px;
  background: var(--blue);
  color: white;
  text-decoration: none;
  font-size: 29px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.footer {
  background: var(--dark);
  min-height: 330px;
  padding: 65px 45px 0;
  color: #c8cad4;
}

.socials {
  display: flex;
  gap: 8px;
}

.socials a {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #777d86;
  color: #252736;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 33px;
  font-weight: 700;
}

.footer-bottom {
  margin-top: 90px;
  font-size: 21px;
  opacity: .8;
}

.chat-button {
  position: fixed;
  right: 35px;
  bottom: 65px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: #4d82ef;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 70px;
  line-height: 1;
  box-shadow: 0 5px 15px rgba(0,0,0,.16);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.43);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 35px;
  z-index: 20;
}
.modal-backdrop[hidden] { display: none; }

.download-page {
  min-height: calc(100vh - 154px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px 35px;
  background: rgba(0, 0, 0, .06);
}

.update-modal {
  width: min(1080px, 100%);
  background: white;
  border-radius: 22px;
  padding: 82px 90px 85px;
  box-shadow: 0 20px 70px rgba(0,0,0,.25);
}

.download-page .update-modal {
  margin: 0;
}

.update-modal h1, .update-modal h2 {
  margin: 0 0 25px;
  font-size: 47px;
  line-height: 1.1;
}

.version {
  color: #2d6cdf;
  text-decoration: none;
  font-size: 27px;
}

.warning {
  margin-top: 58px;
  border: 2px solid #f0bd57;
  border-radius: 17px;
  background: #fff8e8;
  padding: 32px 35px;
  display: flex;
  gap: 30px;
  align-items: flex-start;
  font-size: 27px;
  line-height: 1.35;
}

.warning-icon {
  flex: 0 0 48px;
  height: 48px;
  color: #1c1c1c;
  background: #ffd05c;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
  font-size: 31px;
  font-weight: 800;
}

.learn-more {
  color: #1f63d2;
  text-decoration: none;
  margin-left: 8px;
}

.download-button, .store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: 540px;
  min-height: 83px;
  padding: 0 42px;
  border-radius: 48px;
  font-family: inherit;
  font-size: 28px;
  cursor: pointer;
}

.download-button {
  margin-top: 60px;
  border: 0;
  background: #2f61ed;
  color: white;
  text-decoration: none;
}

.store-button {
  display: block;
  margin-top: 25px;
  border: 2px solid #c9c9c9;
  background: white;
  color: #171717;
}

.accepted-message {
  color: #267045;
  font-weight: 600;
  margin-top: 20px !important;
}

@media (max-width: 700px) {
  .site-header {
    height: 88px;
    padding: 0 22px;
  }

  .zoom-logo { font-size: 50px; }
  .site-header nav { gap: 22px; }
  .nav-link, .language { font-size: 17px; }

  .page { padding: 55px 30px 100px; }
  .page h1 { font-size: 36px; }
  .divider { margin: 70px 0 50px; }

  .meeting-info {
    grid-template-columns: 1fr;
    gap: 12px;
    font-size: 19px;
  }

  .acceptance { margin-top: 100px; }
  .acceptance h2 { font-size: 28px; margin-bottom: 55px; }
  .acceptance p { font-size: 19px; margin-bottom: 35px; }
  .primary-button { font-size: 20px; min-height: 60px; }

  .footer { min-height: 240px; padding: 40px 30px; }
  .socials a { width: 45px; height: 45px; font-size: 23px; }
  .footer-bottom { margin-top: 60px; font-size: 14px; }

  .chat-button {
    width: 64px;
    height: 64px;
    right: 20px;
    bottom: 25px;
    font-size: 48px;
  }

  .modal-backdrop { padding: 20px; }
  .update-modal {
    border-radius: 17px;
    padding: 35px 25px 38px;
  }

  .update-modal h2 { font-size: 30px; }
  .version, .warning { font-size: 18px; }
  .warning { padding: 22px; gap: 15px; margin-top: 30px; }
  .warning-icon { flex-basis: 35px; height: 35px; font-size: 22px; }

  .download-button, .store-button {
    min-width: 0;
    width: 100%;
    min-height: 62px;
    font-size: 19px;
    padding: 0 20px;
  }
}

/* Desktop reference proportions */
@media (min-width: 701px) {
  body { background: #e7e7e7; font-family: Arial, Helvetica, sans-serif; }
  .site-header { height: 96px; padding: 0 98px; background: #fff; border-bottom: 1px solid #d9d9d9; }
  .zoom-logo { font-size: 54px; letter-spacing: -4px; }
  .site-header nav { gap: 30px; }
  .nav-link, .language { font-size: 18px; }
  .language span { font-size: 12px; }
  .page { width: min(700px, calc(100% - 120px)); margin: 18px auto 82px; padding: 48px 60px 46px; background: #fff; border-radius: 22px; }
  .page h1 { font-size: 36px; color: #172235; }
  .divider { margin: 48px 0 38px; height: 1px; }
  .meeting-info { grid-template-columns: 188px 1fr; font-size: 20px; line-height: 1.5; }
  .acceptance { margin-top: 102px; border-top: 1px solid var(--line); padding-top: 36px; }
  .acceptance h2 { font-size: 24px; margin: 0 0 58px; }
  .acceptance p { max-width: none; font-size: 20px; line-height: 1.6; margin-bottom: 30px; }
  .primary-button { width: 180px; min-height: 48px; margin-left: auto; border-radius: 11px; font-size: 18px; }
  .footer { min-height: 120px; padding: 28px 45px; }
  .socials { position: fixed; right: calc(50% - 407px); top: 250px; flex-direction: column; gap: 5px; }
  .socials a { width: 42px; height: 42px; font-size: 22px; }
  .footer-bottom { margin-top: 16px; font-size: 14px; }
  .chat-button { width: 84px; height: 84px; right: 34px; bottom: 34px; font-size: 58px; }
  .modal-backdrop { padding: 24px; }
  .modal-backdrop .update-modal { width: min(500px, 100%); padding: 32px 34px 30px; border-radius: 13px; }
  .modal-backdrop .update-modal h2 { font-size: 27px; white-space: nowrap; margin-bottom: 10px; }
  .modal-backdrop .version { font-size: 20px; }
  .modal-backdrop .warning { margin-top: 28px; padding: 18px 22px; gap: 16px; font-size: 19px; }
  .modal-backdrop .warning-icon { flex-basis: 28px; height: 28px; font-size: 18px; }
  .modal-backdrop .download-button, .modal-backdrop .store-button { min-height: 62px; min-width: 0; padding: 0 22px; font-size: 20px; }
  .modal-backdrop .download-button { margin-top: 30px; }
}