:root {
  --ink: #17212b;
  --muted: #66727f;
  --line: #d9e4ec;
  --surface: #ffffff;
  --airflow-blue: #087ee2;
  --airflow-cyan: #00c7d4;
  --airflow-green: #00ad46;
  --airflow-red: #ee3326;
  --focus: #0c6baa;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #ffffff;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  background: #ffffff;
}

.workshop-shell {
  width: min(1180px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 48px 0 30px;
  display: flex;
  flex-direction: column;
}

.workshop-header {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(480px, 1.28fr);
  gap: 72px;
  align-items: end;
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}

.brand-row {
  display: flex;
  align-items: center;
  min-width: 0;
}

.airflow-brand {
  display: block;
  width: min(300px, 100%);
  height: auto;
}

.workshop-intro {
  max-width: 720px;
}

.eyebrow,
.day-label {
  margin: 0;
  color: #1a6ba7;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 10px 0 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: 0;
}

.workshop-summary {
  max-width: 660px;
  margin: 0;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.55;
}

.day-list {
  display: grid;
  margin-top: 12px;
  border-bottom: 1px solid var(--line);
}

.day-link {
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 48px;
  gap: 24px;
  align-items: center;
  min-height: 142px;
  padding: 24px 14px 24px 0;
  color: inherit;
  text-decoration: none;
  border-top: 1px solid var(--line);
  isolation: isolate;
}

.day-link::before {
  content: "";
  position: absolute;
  inset: 8px 0;
  z-index: -1;
  background: var(--surface);
  border-left: 5px solid var(--day-accent);
  opacity: 0;
  transform: scaleX(0.985);
  transform-origin: center;
  transition: opacity 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.day-link:hover::before,
.day-link:focus-visible::before {
  opacity: 1;
  transform: scaleX(1);
  box-shadow: 0 12px 34px rgba(20, 43, 61, 0.09);
}

.day-link:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.day-one { --day-accent: var(--airflow-blue); }
.day-two { --day-accent: var(--airflow-green); }
.day-three { --day-accent: var(--airflow-red); }

.day-index {
  color: var(--day-accent);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.3rem;
  text-align: center;
}

.day-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.day-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.15;
}

.day-description {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
}

.day-arrow {
  color: var(--day-accent);
  font-size: 2rem;
  transition: transform 180ms ease;
}

.day-link:hover .day-arrow,
.day-link:focus-visible .day-arrow {
  transform: translateX(7px);
}

.workshop-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(26, 107, 167, 0.16);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nobleprog-brand {
  display: block;
  width: 124px;
  height: 34px;
  object-fit: contain;
}

@media (max-width: 850px) {
  .workshop-shell {
    width: min(100% - 32px, 680px);
    padding-top: 28px;
  }

  .workshop-header {
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: start;
  }

  .day-link {
    grid-template-columns: 62px minmax(0, 1fr) 30px;
    gap: 14px;
    min-height: 154px;
  }

  .day-index {
    font-size: 1.8rem;
  }
}

@media (max-width: 520px) {
  .workshop-shell {
    width: min(100% - 24px, 480px);
  }

  .workshop-header {
    padding-bottom: 28px;
  }

  .day-link {
    grid-template-columns: 46px minmax(0, 1fr) 24px;
    gap: 10px;
    padding-right: 4px;
  }

  .day-index {
    font-size: 1.4rem;
  }

  .day-description {
    font-size: 0.92rem;
  }

  .workshop-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

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