/* 2026 Public Class — Brightside brand meets two-colour riso print. */
:root {
  --course-paper: #f4efd9;
  --course-paper-light: #fbf7e8;
  --course-blue: #102d70;
  --course-blue-deep: #081b49;
  --course-red: #e12b24;
  --course-ink: #18130f;
  --course-rule: rgba(16, 45, 112, 0.34);
  --course-shadow: 8px 8px 0 var(--course-blue);
}

.course-page {
  background: var(--course-paper);
  color: var(--course-ink);
  overflow-x: hidden;
}

.course-page main {
  overflow: hidden;
}

.course-page .site-header {
  background: rgba(244, 239, 217, 0.94);
  border-bottom-color: rgba(16, 45, 112, 0.22);
}

.course-page .site-footer {
  margin-top: 0;
}

.course-page .mobile-menu {
  background: var(--course-paper-light);
}

.course-page .mobile-menu__bottom {
  background: var(--course-paper);
}

.course-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--course-paper-light);
  color: var(--course-blue);
  border: 2px solid var(--course-blue);
  transform: translateY(-160%);
}

.course-skip:focus {
  transform: translateY(0);
}

.course-shell {
  width: min(100% - 32px, 1180px);
  margin-inline: auto;
}

.course-kicker {
  margin: 0;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.course-section {
  position: relative;
  padding: 88px 0;
}

.course-section-heading {
  max-width: 720px;
  margin-bottom: 44px;
}

.course-section-heading .course-kicker {
  margin-bottom: 14px;
  color: var(--course-red);
}

.course-section-heading h2 {
  margin: 0;
  color: var(--course-blue);
  font-size: clamp(34px, 9.2vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.course-section-heading--light .course-kicker,
.course-section-heading--light h2 {
  color: var(--course-paper-light);
}

.course-section-heading__note {
  margin: 18px 0 0;
  color: #655f52;
  font-size: 13px;
}

/* Hero */
.course-hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - var(--header-height));
  padding: 58px 0 74px;
  overflow: hidden;
  background-color: var(--course-paper);
  background-image:
    radial-gradient(rgba(16, 45, 112, 0.11) 0.7px, transparent 0.7px),
    linear-gradient(110deg, transparent 0 56%, rgba(225, 43, 36, 0.05) 56% 100%);
  background-size: 5px 5px, 100% 100%;
}

.course-hero::before {
  content: "◆";
  position: absolute;
  right: -0.18em;
  bottom: -0.36em;
  z-index: -1;
  color: rgba(225, 43, 36, 0.09);
  font-family: Georgia, serif;
  font-size: min(100vw, 720px);
  line-height: 1;
  transform: rotate(12deg);
}

.course-hero__registration {
  position: absolute;
  top: 44%;
  left: -98px;
  color: var(--course-red);
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  transform: rotate(-90deg);
}

.course-hero__grid {
  display: grid;
  gap: 56px;
  align-items: center;
}

.course-hero__copy {
  position: relative;
  z-index: 2;
}

.course-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--course-blue);
}

.course-hero__kicker::before {
  content: "";
  width: 30px;
  height: 8px;
  background: var(--course-red);
}

.course-hero__title {
  margin: 22px 0 24px;
  color: var(--course-blue);
  font-size: clamp(61px, 18vw, 104px);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.07em;
}

.course-hero__title span {
  display: block;
}

.course-hero__title span:last-child {
  position: relative;
  color: var(--course-red);
  text-shadow: 3px 2px 0 var(--course-blue);
}

.course-hero__title i {
  position: absolute;
  top: -0.14em;
  right: -0.28em;
  color: var(--course-blue);
  font-family: Georgia, serif;
  font-size: 0.24em;
  font-style: normal;
  text-shadow: none;
  transform: rotate(10deg);
}

.course-hero__lead {
  max-width: 560px;
  margin: 0;
  color: #352d27;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.75;
}

.course-hero__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
  margin-top: 30px;
}

.course-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 58px;
  padding: 13px 14px 13px 24px;
  color: var(--course-paper-light);
  background: var(--course-red);
  border: 2px solid var(--course-red);
  border-radius: 0;
  box-shadow: 5px 5px 0 var(--course-blue);
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.course-button svg {
  width: 30px;
  height: 30px;
  padding: 5px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.course-button:hover {
  color: var(--course-paper-light);
  background: #c81f1a;
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--course-blue);
}

.course-button:focus-visible {
  outline: 3px solid var(--course-blue);
  outline-offset: 4px;
}

.course-hero__time {
  color: var(--course-blue);
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
}

.course-city-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 34px 0 0;
  padding: 0;
  border-block: 2px solid var(--course-blue);
  list-style: none;
}

.course-city-list li {
  padding: 12px 5px;
  color: var(--course-blue);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-align: center;
}

.course-city-list li + li {
  border-left: 1px solid var(--course-blue);
}

.course-city-list span {
  display: block;
  margin-bottom: 1px;
  color: var(--course-red);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.course-hero__visual {
  position: relative;
  width: min(86%, 480px);
  margin: 0 auto;
  padding: 10px 10px 32px;
  background: var(--course-paper-light);
  border: 2px solid var(--course-blue);
  box-shadow: 10px 10px 0 var(--course-red);
  transform: rotate(1.7deg);
}

.course-hero__visual::after {
  content: "";
  position: absolute;
  inset: 10px 10px 32px;
  pointer-events: none;
  background-image: radial-gradient(rgba(16, 45, 112, 0.22) 0.6px, transparent 0.7px);
  background-size: 4px 4px;
  mix-blend-mode: multiply;
  opacity: 0.35;
}

.course-hero__visual img {
  width: 100%;
  aspect-ratio: 1141 / 1435;
  object-fit: cover;
}

.course-hero__visual figcaption {
  position: absolute;
  right: 13px;
  bottom: 4px;
  color: var(--course-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.course-stamp {
  position: absolute;
  z-index: 2;
  padding: 7px 9px;
  color: var(--course-paper-light);
  background: var(--course-blue);
  border: 2px solid var(--course-paper-light);
  outline: 2px solid var(--course-blue);
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

.course-stamp--top {
  top: -19px;
  right: -20px;
  transform: rotate(5deg);
}

.course-stamp--bottom {
  bottom: 12%;
  left: -26px;
  color: var(--course-paper-light);
  background: var(--course-red);
  outline-color: var(--course-red);
  transform: rotate(-6deg);
}

/* Manifesto */
.course-manifesto {
  position: relative;
  padding: 92px 0 104px;
  color: var(--course-paper-light);
  background: var(--course-blue);
  overflow: hidden;
}

.course-manifesto::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 5px, rgba(244, 239, 217, 0.08) 5px 6px),
    radial-gradient(circle at 85% 25%, var(--course-red) 0 8%, transparent 8.2%);
}

.course-manifesto .course-shell {
  position: relative;
}

.course-manifesto__grid {
  display: grid;
  gap: 30px;
}

.course-manifesto__opening {
  margin: 0;
  padding-top: 21px;
  border-top: 2px solid var(--course-red);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.55;
}

.course-manifesto__body p {
  margin: 0;
  color: rgba(251, 247, 232, 0.82);
  font-size: 16px;
  line-height: 1.9;
}

.course-manifesto__body p + p {
  margin-top: 18px;
}

.course-pullquote {
  position: relative;
  max-width: 800px;
  margin: 72px 0 0 auto;
  padding: 38px 0 4px 30px;
  border-left: 8px solid var(--course-red);
}

.course-pullquote > span {
  position: absolute;
  top: -28px;
  left: 18px;
  color: var(--course-red);
  font-family: Georgia, serif;
  font-size: 100px;
  line-height: 1;
}

.course-pullquote p {
  position: relative;
  margin: 0;
  font-size: clamp(35px, 9.5vw, 68px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.course-pullquote cite {
  display: block;
  margin-top: 18px;
  color: rgba(251, 247, 232, 0.65);
  font-family: var(--font-en);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Highlights */
.course-highlights {
  background-color: var(--course-paper-light);
  background-image: linear-gradient(rgba(16, 45, 112, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 45, 112, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.course-highlights__grid {
  display: grid;
  gap: 18px;
}

.course-highlight {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  padding: 26px 22px;
  color: var(--course-paper-light);
  background: var(--course-blue);
  border: 2px solid var(--course-blue-deep);
  box-shadow: 5px 5px 0 var(--course-red);
}

.course-highlight--red {
  background: var(--course-red);
  border-color: #9d1d19;
  box-shadow: 5px 5px 0 var(--course-blue);
}

.course-highlight__number {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.course-highlight__label {
  margin: 0 0 8px;
  color: rgba(251, 247, 232, 0.65);
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.course-highlight h3 {
  margin: 0;
  font-size: 23px;
  font-weight: 900;
  line-height: 1.35;
}

.course-highlight div > p:last-child {
  margin: 13px 0 0;
  color: rgba(251, 247, 232, 0.82);
  font-size: 14px;
  line-height: 1.75;
}

/* Teachers */
.course-teachers {
  background: var(--course-paper);
}

.course-teachers::before {
  content: "TEACHERS / 2026 / BRIGHTSIDE";
  position: absolute;
  top: 28px;
  right: -14px;
  color: rgba(16, 45, 112, 0.09);
  font-family: var(--font-en);
  font-size: clamp(32px, 6vw, 88px);
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.course-teachers__grid {
  display: grid;
  gap: 38px;
}

.course-teacher {
  background: var(--course-paper-light);
  border: 2px solid var(--course-blue);
  box-shadow: var(--course-shadow);
}

.course-teacher__photo {
  position: relative;
  overflow: hidden;
  background: var(--course-paper);
  border-bottom: 2px solid var(--course-blue);
  isolation: isolate;
}

.course-teacher__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: contain;
}

.course-teacher__body {
  padding: 18px 21px 26px;
}

.course-teacher__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.course-teacher__meta p {
  margin: 0;
  color: var(--course-red);
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.course-teacher__meta span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 46px;
  height: 38px;
  padding: 0 6px;
  color: var(--course-red);
  background: var(--course-paper-light);
  border: 2px solid var(--course-blue);
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 3px 3px 0 rgba(16, 45, 112, 0.16);
}

.course-teacher__body h3 {
  margin: 7px 0 11px;
  color: var(--course-blue);
  font-size: 30px;
  font-weight: 900;
  line-height: 1.2;
}

.course-teacher__bio {
  margin: 0;
  color: #4f473f;
  font-size: 14px;
  line-height: 1.75;
}

/* Dates */
.course-dates {
  color: var(--course-paper-light);
  background-color: var(--course-red);
  background-image: radial-gradient(rgba(75, 10, 8, 0.19) 0.7px, transparent 0.8px);
  background-size: 5px 5px;
}

.course-dates__time {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin: 23px 0 0;
  color: var(--course-paper-light);
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.course-dates__time span {
  font-size: 9px;
  letter-spacing: 0.16em;
}

.course-dates__grid {
  display: grid;
  gap: 18px;
}

.course-date-card {
  color: var(--course-blue-deep);
  background: var(--course-paper-light);
  border: 2px solid var(--course-blue-deep);
  box-shadow: 6px 6px 0 var(--course-blue-deep);
}

.course-date-card__top {
  display: grid;
  grid-template-columns: 1fr 122px;
  min-height: 154px;
  border-bottom: 2px solid var(--course-blue-deep);
}

.course-date-card__city {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  margin: 0;
  padding: 20px;
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.course-date-card__city span {
  margin-top: 7px;
  color: var(--course-red);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.13em;
}

.course-date-card time {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-content: center;
  padding: 14px;
  color: var(--course-paper-light);
  background: var(--course-blue);
  font-family: var(--font-en);
  text-align: center;
}

.course-date-card time strong,
.course-date-card time b {
  font-size: 33px;
  line-height: 1;
}

.course-date-card time strong {
  padding-right: 6px;
  border-right: 1px solid rgba(251, 247, 232, 0.45);
}

.course-date-card time b {
  color: #ff5a51;
}

.course-date-card time span {
  grid-column: 1 / -1;
  margin-top: 8px;
  font-size: 9px;
  letter-spacing: 0.19em;
}

.course-date-card__place {
  padding: 21px 20px 24px;
}

.course-date-card__place p {
  margin: 0 0 7px;
  font-size: 19px;
  font-weight: 900;
}

.course-date-card__place address {
  color: #514a43;
  font-size: 13px;
  font-style: normal;
  line-height: 1.6;
}

/* Final CTA */
.course-final {
  position: relative;
  isolation: isolate;
  padding: 100px 0 112px;
  color: var(--course-paper-light);
  background: var(--course-blue-deep);
  overflow: hidden;
  text-align: center;
}

.course-final::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.23;
  background-image: repeating-linear-gradient(135deg, transparent 0 12px, rgba(244, 239, 217, 0.09) 12px 13px);
}

.course-final__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.course-final .course-kicker {
  color: #ff5a51;
}

.course-final h2 {
  max-width: 900px;
  margin: 17px auto 20px;
  font-size: clamp(36px, 9vw, 70px);
  font-weight: 900;
  line-height: 1.17;
  letter-spacing: -0.04em;
}

.course-final__inner > p:not(.course-kicker) {
  margin: 0 0 31px;
  color: rgba(251, 247, 232, 0.72);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.course-button--paper {
  min-width: min(100%, 290px);
  color: var(--course-blue-deep);
  background: var(--course-paper-light);
  border-color: var(--course-paper-light);
  box-shadow: 6px 6px 0 var(--course-red);
}

.course-button--paper:hover {
  color: var(--course-blue-deep);
  background: #fffdf5;
  box-shadow: 9px 9px 0 var(--course-red);
}

.course-final__diamond {
  position: absolute;
  z-index: -1;
  color: var(--course-red);
  font-family: Georgia, serif;
  line-height: 1;
  opacity: 0.38;
}

.course-final__diamond--one {
  top: -0.1em;
  left: -0.16em;
  font-size: 250px;
  transform: rotate(10deg);
}

.course-final__diamond--two {
  right: -0.25em;
  bottom: -0.25em;
  font-size: 320px;
  opacity: 0.2;
}

/* Mobile registration bar */
.course-mobile-cta {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 44;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  color: var(--course-blue);
  background: rgba(244, 239, 217, 0.97);
  border-top: 2px solid var(--course-blue);
  box-shadow: 0 -5px 0 rgba(225, 43, 36, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity 200ms ease, transform 240ms ease;
}

.course-mobile-cta.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.course-mobile-cta > span {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  font-size: 11px;
  line-height: 1.3;
}

.course-mobile-cta > span b {
  font-size: 10px;
  letter-spacing: 0.08em;
}

.course-mobile-cta a {
  flex: 0 0 auto;
  min-height: 46px;
  padding: 12px 22px;
  color: var(--course-paper-light);
  background: var(--course-red);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.course-mobile-cta a:hover {
  color: var(--course-paper-light);
  background: #c81f1a;
}

.course-mobile-cta a:focus-visible {
  outline: 3px solid var(--course-blue);
  outline-offset: 2px;
}

/* Motion enhancement */
.course-motion-ready .course-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 650ms cubic-bezier(0.16, 1, 0.3, 1), transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
}

.course-motion-ready .course-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 641px) {
  .course-shell {
    width: min(100% - 48px, 1180px);
  }

  .course-hero__actions {
    flex-direction: row;
    align-items: center;
  }

  .course-button {
    min-width: 230px;
  }

  .course-highlights__grid,
  .course-dates__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .course-highlight {
    grid-template-columns: 1fr;
    align-content: start;
    min-height: 350px;
    padding: 30px 26px;
  }

  .course-highlight__number {
    margin-bottom: auto;
    font-size: 42px;
  }

  .course-highlight h3 {
    font-size: 25px;
  }

  .course-teachers__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .course-teacher--offset {
    transform: translateY(46px);
  }

  .course-date-card__top {
    grid-template-columns: 1fr;
  }

  .course-date-card time {
    min-height: 100px;
  }
}

@media (min-width: 900px) {
  .course-section {
    padding: 124px 0;
  }

  .course-hero {
    min-height: calc(100vh - var(--header-height-desktop));
    padding: 76px 0 90px;
  }

  .course-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.75fr);
    gap: 72px;
  }

  .course-hero__title {
    font-size: clamp(86px, 9vw, 132px);
  }

  .course-hero__visual {
    width: min(100%, 480px);
  }

  .course-manifesto {
    padding: 132px 0 142px;
  }

  .course-manifesto__grid {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
  }

  .course-manifesto__opening {
    font-size: 29px;
  }

  .course-pullquote {
    margin-top: 100px;
  }

  .course-dates__grid {
    gap: 25px;
  }
}

@media (min-width: 1100px) {
  .course-teachers__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1025px) {
  .course-mobile-cta {
    display: none;
  }
}

@media (max-width: 360px) {
  .course-hero__title {
    font-size: 56px;
  }

  .course-date-card__top {
    grid-template-columns: 1fr 108px;
  }

  .course-date-card__city {
    padding: 16px;
    font-size: 29px;
  }

  .course-date-card time {
    padding: 10px;
  }

  .course-date-card time strong,
  .course-date-card time b {
    font-size: 29px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .course-hero__visual,
  .course-teacher--offset {
    transform: none;
  }

  .course-motion-ready .course-reveal {
    opacity: 1;
    transform: none;
  }
}