@font-face {
  font-family: "Outfit";
  src: url("/assets/outfit-500.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Outfit";
  src: url("/assets/outfit-600.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Albert Sans";
  src: url("/assets/albert-sans-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Albert Sans";
  src: url("/assets/albert-sans-500.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Albert Sans";
  src: url("/assets/albert-sans-600.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;
  --brand-blue: #3b8ac3;
  --label-blue: #2879b1;
  --link-blue: #246c9e;
  --heading: #224256;
  --body: #455561;
  --muted: #62727e;
  --reflection: #f3f7fa;
  --page-width: 1080px;
  --video-width: 960px;
}

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

html {
  background: #ffffff;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--body);
  background: #ffffff;
  font-family: "Albert Sans", Arial, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

p,
h1,
h2 {
  margin: 0;
}

.brand-header {
  display: flex;
  justify-content: center;
  padding: 56px 22px;
}

.brand-logo {
  display: block;
  width: 210px;
  max-width: 100%;
  height: auto;
}

.page-content {
  width: min(var(--page-width), calc(100% - 44px));
  margin-inline: auto;
}

.hero {
  text-align: center;
  margin-bottom: 56px;
}

.eyebrow,
.section-label {
  color: var(--label-blue);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.11em;
}

.eyebrow {
  margin-bottom: 18px;
}

h1,
h2 {
  color: var(--heading);
  font-family: "Outfit", Arial, sans-serif;
  font-weight: 500;
}

h1 {
  max-width: 850px;
  margin-inline: auto;
  font-size: 46px;
  line-height: 1.17;
  letter-spacing: -0.025em;
}

.hero-description {
  max-width: 700px;
  margin: 24px auto 0;
  line-height: 1.75;
}

.viewing-note {
  margin-top: 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.video-sequence {
  max-width: var(--video-width);
  margin-inline: auto;
}

.video-section + .video-section {
  margin-top: 72px;
}

.section-label {
  margin-bottom: 10px;
}

.video-section h2 {
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.video-description {
  max-width: 860px;
  margin-top: 12px;
}

.video-player {
  width: 100%;
  margin-top: 24px;
  overflow: hidden;
  border-radius: 8px;
  background: #edf2f5;
}

.video-player iframe {
  display: block;
  border: 0;
}

.video-player iframe:focus-visible {
  outline: 3px solid var(--label-blue);
  outline-offset: -3px;
}

.core-idea {
  max-width: 880px;
  margin: 80px auto 0;
  padding: 40px 48px;
  border-radius: 10px;
  background: var(--reflection);
}

.core-idea h2 {
  margin-bottom: 16px;
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.system-note {
  margin-top: 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.resource-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid #dce5ec;
  font-size: 20px;
  line-height: 1.6;
}

.system-note a,
.resource-links a {
  color: var(--link-blue);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}

.resource-links a {
  max-width: 100%;
  min-height: 44px;
  padding-block: 6px;
}

.system-note a:hover,
.resource-links a:hover {
  color: var(--heading);
}

.system-note a:focus-visible,
.resource-links a:focus-visible {
  outline: 2px solid var(--label-blue);
  outline-offset: 4px;
  border-radius: 2px;
}

.resource-format {
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

.copyright {
  margin: 80px 22px 56px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
  line-height: 1.6;
}

@media (max-width: 900px) {
  h1 {
    font-size: 40px;
  }

  .video-section h2 {
    font-size: 26px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 17px;
    line-height: 1.65;
  }

  .brand-header {
    padding-block: 36px 40px;
  }

  .brand-logo {
    width: 190px;
  }

  .hero {
    margin-bottom: 52px;
  }

  .eyebrow,
  .section-label {
    font-size: 12px;
    letter-spacing: 0.075em;
  }

  .eyebrow {
    max-width: 320px;
    margin-inline: auto;
    margin-bottom: 16px;
  }

  h1 {
    max-width: 420px;
    font-size: 34px;
    line-height: 1.2;
    letter-spacing: -0.025em;
  }

  .desktop-break {
    display: none;
  }

  .hero-description {
    margin-top: 22px;
    line-height: 1.7;
  }

  .viewing-note {
    margin-top: 20px;
    font-size: 14px;
  }

  .video-section + .video-section {
    margin-top: 60px;
  }

  .video-section h2 {
    font-size: 24px;
    line-height: 1.3;
  }

  .video-description {
    margin-top: 12px;
  }

  .video-player {
    margin-top: 22px;
    border-radius: 6px;
  }

  .core-idea {
    margin-top: 72px;
    padding: 28px 24px;
    border-radius: 8px;
  }

  .core-idea h2 {
    font-size: 25px;
  }

  .system-note {
    margin-top: 22px;
    font-size: 14px;
  }

  .resource-links {
    font-size: 18px;
  }

  .copyright {
    margin-block: 64px 40px;
    font-size: 12px;
  }
}