:root {
  color-scheme: light;
  --navy: #023347;
  --midnight: #10131f;
  --ink: #17262d;
  --muted: #566570;
  --teal: #087985;
  --cyan: #1ec1cb;
  --mist: #d9f7f8;
  --paper: #f7fafa;
  --white: #fff;
  --line: #cbdfe2;
  --gold-soft: #fff8e7;
  font-family: Inter, "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); }
button { font: inherit; }
button, [tabindex] { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
h1, h2, h3, p, figure { margin: 0; }

.skip { position: fixed; top: -80px; left: 10px; z-index: 100; padding: 10px 13px; border-radius: 8px; background: var(--white); color: var(--navy); }
.skip:focus { top: 10px; }
:focus-visible { outline: 3px solid #b78212; outline-offset: 3px; }
#main:focus { outline: none; }

.story-shell { width: min(100%, 760px); margin: 0 auto; }
.brand-header { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 22px; border-bottom: 1px solid var(--line); background: #ffffffd9; }
.brand-header img { display: block; width: 140px; height: auto; }
.brand-header span { max-width: 170px; color: var(--muted); font-size: .7rem; line-height: 1.35; text-align: right; }

main { padding: 0 22px 54px; }
.intro { padding: 34px 0 30px; }
.eyebrow { color: var(--teal); font-size: .72rem; font-weight: 750; letter-spacing: .105em; text-transform: uppercase; }
.intro h1 { max-width: 620px; margin: 10px 0 13px; color: var(--navy); font-size: clamp(2rem, 8.8vw, 3.65rem); font-weight: 650; letter-spacing: -.052em; line-height: 1.03; }
.intro > p:not(.eyebrow):not(.live-link) { max-width: 620px; color: var(--muted); font-size: 1rem; line-height: 1.6; }

.integration-section, .questions-section { padding: 12px 0 46px; }
.section-heading { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; align-items: start; margin-bottom: 18px; }
.section-number { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 50%; color: var(--teal); font-size: .7rem; font-weight: 750; }
.section-heading h2 { margin-top: 5px; color: var(--navy); font-size: clamp(1.65rem, 6.5vw, 2.4rem); font-weight: 650; letter-spacing: -.04em; line-height: 1.1; }
.section-intro { margin-top: 10px; color: var(--muted); font-size: .96rem; }

.integration-stage { overflow: hidden; border: 1px solid #1f5263; border-radius: 20px; background: var(--midnight); box-shadow: 0 16px 42px #1238441c; }
.lms-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; padding: 10px; border-bottom: 1px solid #ffffff1c; }
.lms-tabs button { min-width: 0; min-height: 58px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 7px 4px; border: 1px solid transparent; border-radius: 11px; background: transparent; color: #d6e8ec; cursor: pointer; font-size: .69rem; font-weight: 650; line-height: 1.15; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.lms-tabs button:hover { background: #ffffff0c; border-color: #ffffff2e; }
.lms-tabs button[aria-selected="true"] { border-color: #5acbd2; background: #e8fcfc; color: var(--navy); box-shadow: inset 0 -3px var(--cyan); }
.platform-mark { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 8px; background: #ffffff18; color: var(--white); font-size: .72rem; font-weight: 800; letter-spacing: -.02em; }
[aria-selected="true"] .platform-mark { background: var(--white); color: var(--navy); }
.canvas-mark { border-radius: 50%; }
.blackboard-mark { border-radius: 5px; }
.d2l-mark { font-size: .58rem; }

.lms-panels { padding: 14px; }
.lms-panels figure { animation: panel-in .24s ease-out; }
.screenshot-placeholder { min-height: 310px; display: grid; place-items: center; align-content: center; padding: 25px 18px; border: 1px dashed #8bb0bc; border-radius: 14px; background: linear-gradient(#e7f1f3 1px, transparent 1px), linear-gradient(90deg, #e7f1f3 1px, transparent 1px), #f8fbfc; background-size: 20px 20px; color: var(--navy); text-align: center; }
.placeholder-kicker { margin-bottom: 17px; color: var(--teal); font-size: .72rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.placeholder-frame { width: min(100%, 340px); min-height: 116px; display: grid; grid-template-columns: 20px 20px 20px 1fr; grid-template-rows: 26px 1fr; gap: 5px; padding: 10px; border: 1px solid #abc5cd; border-radius: 9px; background: var(--white); box-shadow: 0 7px 0 #dcebed; }
.placeholder-frame span { width: 7px; height: 7px; align-self: center; border-radius: 50%; background: #b8ccd2; }
.placeholder-frame strong { grid-column: 1 / -1; display: grid; place-items: center; border-radius: 6px; background: #ecf7f8; color: var(--teal); font-size: .82rem; font-weight: 650; }
.screenshot-placeholder > p { margin-top: 20px; font-size: 1rem; font-weight: 650; }
.screenshot-placeholder small { margin-top: 3px; color: var(--muted); font-size: .75rem; }
.lms-panels figcaption { padding: 13px 6px 2px; color: #d6e8ec; font-size: .82rem; line-height: 1.5; text-align: center; }

.questions-section { padding-top: 18px; border-top: 1px solid var(--line); }
.question-groups { display: grid; gap: 16px; }
.question-group { position: relative; overflow: hidden; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: 0 9px 28px #1738480a; }
.question-group header { display: flex; align-items: flex-start; gap: 11px; margin-bottom: 16px; }
.category-icon { display: grid; flex: 0 0 31px; height: 31px; place-items: center; border-radius: 9px; background: var(--mist); color: var(--teal); font-size: .66rem; font-weight: 800; }
.question-group header p { color: var(--teal); font-size: .7rem; font-weight: 750; letter-spacing: .085em; text-transform: uppercase; }
.question-group h3 { margin-top: 3px; color: var(--navy); font-size: 1.22rem; font-weight: 650; letter-spacing: -.025em; line-height: 1.25; }
.question-group ul { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.question-group li { position: relative; padding: 13px 14px 13px 36px; border: 1px solid #dce7ea; border-radius: 6px 13px 13px 13px; background: #f7fafb; color: var(--ink); font-size: .94rem; line-height: 1.48; }
.question-group li::before { content: "“"; position: absolute; top: 8px; left: 13px; color: var(--teal); font-family: Georgia, serif; font-size: 1.55rem; line-height: 1; }
.context-chip { display: inline-block; margin: -3px 0 14px 42px; padding: 4px 8px; border-radius: 999px; background: #eef0ff; color: #4c42b7; font-size: .7rem; font-weight: 700; }
.content-group .category-icon { background: #eeecff; color: #5144ca; }
.content-group header p { color: #5144ca; }
.quiz-group .category-icon { background: #e9f2f8; color: #245b85; }
.quiz-group header p { color: #245b85; }
.lecture-group { border-color: #9ed5d8; background: linear-gradient(135deg, #ffffff 0%, #effbfb 100%); }
.lecture-group li { background: var(--white); font-size: 1rem; }

.guardrail-group { border-color: #dec98d; background: var(--gold-soft); box-shadow: none; }
.guardrail-group .category-icon { background: #fff0bc; color: #75530c; }
.guardrail-group header p { color: #75530c; }
.guardrail-note { margin: -2px 0 15px 42px; color: #66552e; font-size: .86rem; line-height: 1.5; }
.guardrail-group li { border-color: #e1d3a9; background: #fffdf7; padding-top: 36px; }
.guardrail-group li > span { position: absolute; top: 10px; left: 36px; color: #75530c; font-size: .68rem; font-weight: 750; letter-spacing: .065em; text-transform: uppercase; }

.closing { margin-top: 2px; padding: 28px 20px; border-radius: 18px; background: var(--navy); color: var(--white); text-align: center; }
.closing > p { font-size: 1.32rem; font-weight: 650; letter-spacing: -.025em; }
.closing ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; margin: 16px 0 0; padding: 0; list-style: none; }
.closing li { padding: 6px 9px; border: 1px solid #ffffff30; border-radius: 999px; color: #d7eef1; font-size: .72rem; font-weight: 650; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

@keyframes panel-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 680px) {
  main, .brand-header { padding-inline: 30px; }
  .intro { padding-top: 46px; }
  .question-group { padding: 24px; }
  .lms-tabs button { flex-direction: row; font-size: .8rem; }
  .screenshot-placeholder { min-height: 380px; }
}

@media (max-width: 420px) {
  main, .brand-header { padding-inline: 16px; }
  .brand-header img { width: 126px; }
  .brand-header span { max-width: 135px; font-size: .64rem; }
  .intro { padding-top: 28px; }
  .section-heading { grid-template-columns: 30px minmax(0, 1fr); gap: 9px; }
  .section-number { width: 28px; height: 28px; }
  .integration-stage { border-radius: 16px; }
  .lms-tabs { gap: 4px; padding: 8px; }
  .lms-tabs button { min-height: 60px; font-size: .63rem; }
  .lms-panels { padding: 10px; }
  .screenshot-placeholder { min-height: 280px; padding-inline: 12px; }
  .question-group { padding: 18px 16px; border-radius: 15px; }
  .question-group li { padding-right: 12px; font-size: .92rem; }
  .guardrail-note, .context-chip { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Live course link in the intro */
.live-link { margin: 20px 0 0; }
.live-link a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 17px;
  border: 1px solid var(--teal);
  border-radius: 10px;
  background: var(--teal);
  color: #fff;
  font-size: .9375rem;
  font-weight: 650;
  text-decoration: none;
}
.live-link a::after { content: "→"; }
.live-link a:hover { background: #066a75; border-color: #066a75; }

/* Questions to paste into the live course */
.try-list { display: grid; gap: 8px; max-width: 700px; margin: 16px 0 0; padding: 0; list-style: none; }
.try-list li {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 13px 12px 34px;
  border: 1px solid #dce7ea;
  border-radius: 6px 13px 13px 13px;
  background: #f7fafb;
  color: var(--ink);
  font-size: .9375rem;
  line-height: 1.45;
}
.try-list li::before {
  content: "“";
  position: absolute;
  top: 7px;
  left: 12px;
  color: var(--teal);
  font-family: Georgia, serif;
  font-size: 1.5rem;
  line-height: 1;
}
.try-copy {
  flex: none;
  min-height: 34px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--white);
  color: var(--muted);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
}
.try-copy:hover { border-color: var(--teal); color: var(--teal); }
.try-copy[data-done] { border-color: var(--teal); background: var(--teal); color: #fff; }

/* Live course picker */
.live-courses { margin-top: 20px; }
.course-picker { display: flex; flex-wrap: wrap; gap: 7px; }
.course-chip {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--white);
  color: var(--navy);
  font-size: .875rem;
  font-weight: 650;
  cursor: pointer;
}
.course-chip:hover { border-color: var(--teal); }
.course-chip[aria-pressed="true"] {
  border-color: var(--teal);
  background: var(--mist);
  box-shadow: inset 0 -2px var(--teal);
}
.live-courses .live-link { margin: 14px 0 0; }
.live-courses .try-list { margin-top: 12px; }