:root {
  --radius: 0.5rem;
  --background: oklch(19% 0.028 60);
  --foreground: oklch(94% 0.02 85);
  --card: oklch(24% 0.032 62);
  --popover: oklch(22% 0.03 62);
  --primary: oklch(72% 0.13 76);
  --primary-foreground: oklch(20% 0.03 60);
  --secondary: oklch(30% 0.04 60);
  --muted-foreground: oklch(74% 0.035 80);
  --border: oklch(35% 0.04 62);
  --gold-soft: oklch(86% 0.08 88);
  --wheat: oklch(90% 0.06 88);
  --success: oklch(62% 0.13 145);
  --destructive: oklch(55% 0.19 27);
  --gradient-gold: linear-gradient(135deg, oklch(72% 0.13 76), oklch(88% 0.1 90));
  --gradient-warm: linear-gradient(
    180deg,
    oklch(19% 0.028 60 / 0.4) 0%,
    oklch(19% 0.028 60 / 0.85) 60%,
    oklch(19% 0.028 60) 100%
  );
  --shadow-warm: 0 24px 60px -24px oklch(10% 0.03 60 / 0.9);
  --shadow-gold: 0 0 0 1px oklch(72% 0.13 76 / 0.35), 0 18px 40px -20px oklch(72% 0.13 76 / 0.35);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  font-family: "Karla", system-ui, sans-serif;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  padding-bottom: 5.75rem;
}

body.is-modal-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

img,
svg,
iframe {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  min-height: 100vh;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.hero__image,
.hero__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  object-fit: cover;
}

.hero__overlay {
  background: var(--gradient-warm);
}

.hero__content {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 2.5rem;
  text-align: center;
}

.hero__label,
.section-heading p {
  margin: 0;
  color: var(--gold-soft);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0.5rem 0 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(1.875rem, 7vw, 3rem);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero h1 span {
  display: block;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 strong {
  display: block;
  color: var(--wheat);
}

.gold-line,
.section-line {
  height: 1px;
  background: var(--gradient-gold);
}

.gold-line {
  width: 6rem;
  margin: 0.75rem auto 0;
}

.hero__text {
  margin: 0.75rem auto 0;
  max-width: 36rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.hero__action {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.5rem;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) - 2px);
  padding: 0.55rem 2rem;
  color: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  transition: opacity 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--gold {
  background: var(--gradient-gold);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-gold);
}

.btn--outline {
  border-color: color-mix(in oklab, var(--primary) 50%, transparent);
  background: transparent;
  color: var(--primary);
}

.btn--outline:hover {
  background: color-mix(in oklab, var(--primary) 10%, transparent);
}

.btn--watched {
  border-color: color-mix(in oklab, var(--success) 50%, transparent);
  background: color-mix(in oklab, var(--success) 16%, transparent);
  color: var(--success);
}

.btn--full {
  width: 100%;
}

.access-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid color-mix(in oklab, var(--success) 50%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--success) 15%, transparent);
  padding: 0.5rem 1.25rem;
  color: var(--success);
  font-size: 0.875rem;
  font-weight: 700;
}

.icon {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.lessons,
.materials {
  width: 100%;
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.lessons {
  display: grid;
  gap: 1rem;
}

.material-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background: var(--card);
  box-shadow: var(--shadow-warm);
}

.material-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(140deg, oklch(78% 0.13 82 / 0.18), transparent 40%, oklch(78% 0.13 82 / 0.08));
}

.material-card {
  position: relative;
}

.lessons-intro {
  display: grid;
  gap: 0.55rem;
  padding: 0.25rem 0 0.5rem;
}

.ornament-line {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.ornament-line::before,
.ornament-line::after {
  content: "";
  width: min(7rem, 34vw);
  height: 1px;
  background: var(--gradient-gold);
  opacity: 0.85;
}

.ornament-line span {
  width: 0.55rem;
  height: 0.55rem;
  margin: 0 0.45rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary) 18%, transparent);
}

.lessons-intro h2 {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.1;
  font-weight: 800;
}

.lessons-intro p {
  max-width: 27rem;
  margin: 0;
  color: var(--foreground);
  font-size: 1rem;
  line-height: 1.45;
}

.lesson-tabs {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding: 0.4rem 0 0.2rem;
  scrollbar-width: none;
}

.lesson-tabs::-webkit-scrollbar {
  display: none;
}

.lesson-tab {
  min-height: 3rem;
  flex: 0 0 auto;
  border: 1px solid color-mix(in oklab, var(--border) 82%, transparent);
  border-radius: 0.5rem;
  background: color-mix(in oklab, var(--card) 72%, transparent);
  color: color-mix(in oklab, var(--foreground) 70%, transparent);
  padding: 0.7rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.lesson-tab.is-active {
  border-color: color-mix(in oklab, var(--primary) 55%, transparent);
  background: color-mix(in oklab, var(--primary) 22%, var(--card));
  color: var(--gold-soft);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--primary) 14%, transparent);
}

.lesson-list {
  display: grid;
  gap: 0.75rem;
}

.lesson-card {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in oklab, var(--border) 78%, transparent);
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(110deg, color-mix(in oklab, var(--card) 95%, transparent), color-mix(in oklab, var(--background) 82%, transparent)),
    var(--card);
  box-shadow: 0 18px 48px -26px rgb(0 0 0 / 0.72);
}

.lesson-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(140deg, oklch(78% 0.13 82 / 0.16), transparent 42%);
}

.lesson-card__main {
  position: relative;
  display: grid;
  grid-template-columns: minmax(7.1rem, 42%) 1fr;
  width: 100%;
  min-height: 7.4rem;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  text-align: left;
}

.lesson-card__thumb {
  position: relative;
  min-height: 7.4rem;
  overflow: hidden;
  background: var(--secondary);
}

.lesson-card__thumb img {
  width: 100%;
  height: 100%;
  min-height: 7.4rem;
  object-fit: cover;
}

.lesson-card__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--background) 22%, transparent));
}

.lesson-card__play {
  position: absolute;
  inset: 50% auto auto 50%;
  display: grid;
  width: 3.45rem;
  height: 3.45rem;
  place-items: center;
  border: 2px solid color-mix(in oklab, var(--foreground) 82%, transparent);
  border-radius: 999px;
  background: rgb(0 0 0 / 0.24);
  color: var(--foreground);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(2px);
}

.lesson-card__play .icon {
  width: 1.55rem;
  height: 1.55rem;
}

.lesson-card__info {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  gap: 0.45rem;
  padding: 1rem 0.95rem;
}

.lesson-card__info strong {
  color: var(--foreground);
  font-size: clamp(1.02rem, 4.7vw, 1.25rem);
  line-height: 1.16;
  font-weight: 800;
}

.lesson-card__info span,
.lesson-card__info small,
.lesson-card__footer {
  color: color-mix(in oklab, var(--muted-foreground) 92%, transparent);
  font-size: 0.88rem;
}

.lesson-card__info small {
  font-size: 0.82rem;
}

.lesson-card__footer {
  position: relative;
  display: flex;
  min-height: 2.35rem;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid color-mix(in oklab, var(--border) 55%, transparent);
  padding: 0.45rem 0.75rem 0.45rem 0.95rem;
}

.mark-btn {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid color-mix(in oklab, var(--primary) 42%, transparent);
  border-radius: 999px;
  background: transparent;
  color: var(--primary);
}

.mark-btn.is-watched {
  border-color: color-mix(in oklab, var(--success) 50%, transparent);
  background: color-mix(in oklab, var(--success) 14%, transparent);
  color: var(--success);
}

.lesson-card__head span {
  display: grid;
  width: 2rem;
  height: 2rem;
  flex: 0 0 2rem;
  place-items: center;
  border: 1px solid color-mix(in oklab, var(--primary) 40%, transparent);
  border-radius: 999px;
  color: var(--primary);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  padding-bottom: 0.05rem;
}

.lesson-card__head h3,
.material-card h3 {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.35;
  font-weight: 700;
}

.lesson-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--secondary);
}

.lesson-card__media iframe,
.locked-video,
.locked-video img,
.locked-video__shade,
.locked-video__content {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.lesson-card__media iframe {
  border: 0;
}

.locked-video {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
}

.locked-video img {
  object-fit: cover;
}

.locked-video__shade {
  background: color-mix(in oklab, var(--background) 55%, transparent);
  transition: background 160ms ease;
}

.locked-video:hover .locked-video__shade {
  background: color-mix(in oklab, var(--background) 45%, transparent);
}

.locked-video__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.locked-video__icon {
  display: flex;
  width: 4rem;
  height: 4rem;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in oklab, var(--primary) 60%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--background) 80%, transparent);
  color: var(--primary);
  transition: transform 160ms ease;
}

.locked-video:hover .locked-video__icon {
  transform: scale(1.05);
}

.locked-video__icon .icon {
  width: 1.75rem;
  height: 1.75rem;
}

.locked-video__title {
  color: var(--wheat);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1rem;
}

.locked-video__hint,
.material-card p,
.section-heading span,
.footer span,
.modal p,
.modal__note {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.lesson-card__actions {
  padding: 1rem 1.25rem;
}

.section-line {
  width: 10rem;
  margin: 0 auto;
  opacity: 0.6;
}

.materials {
  padding-top: 2.5rem;
}

.section-heading {
  margin-bottom: 1.5rem;
  text-align: center;
}

.section-heading p {
  color: var(--primary);
  font-size: 0.875rem;
  letter-spacing: 0.35em;
}

.section-heading h2 {
  margin: 0.5rem 0 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(1.5rem, 5vw, 1.875rem);
  line-height: 1.2;
}

.section-heading span {
  display: block;
  margin-top: 0.5rem;
}

.materials__list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.material-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem;
}

.material-card__copy {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.material-card__icon {
  display: flex;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in oklab, var(--primary) 40%, transparent);
  border-radius: var(--radius);
  background: var(--secondary);
  color: var(--primary);
}

.material-card__emoji {
  font-size: 1.25rem;
  line-height: 1;
}

.material-card p {
  margin: 0.15rem 0 0;
}

.material-action {
  flex: 0 0 auto;
}

.footer {
  border-top: 1px solid color-mix(in oklab, var(--border) 60%, transparent);
  padding: 2.5rem 1.25rem;
  text-align: center;
}

.footer__icon {
  width: 1.5rem;
  height: 1.5rem;
  margin: 0 auto;
  color: var(--primary);
}

.footer p {
  margin: 0.75rem 0 0;
  color: var(--wheat);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.125rem;
}

.footer span {
  display: block;
  margin-top: 0.25rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.modal[aria-hidden="true"] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 0.8);
}

.modal__panel {
  position: relative;
  width: min(100%, 28rem);
  border: 1px solid color-mix(in oklab, var(--border) 80%, transparent);
  border-radius: var(--radius);
  background: var(--popover);
  padding: 1.5rem;
  box-shadow: 0 24px 80px rgb(0 0 0 / 0.45);
  text-align: center;
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 0;
  border-radius: calc(var(--radius) - 4px);
  background: transparent;
  color: var(--muted-foreground);
}

.modal__lock {
  display: flex;
  width: 3.5rem;
  height: 3.5rem;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
  border: 1px solid color-mix(in oklab, var(--primary) 40%, transparent);
  border-radius: 999px;
  background: var(--secondary);
  color: var(--primary);
}

.modal__lock .icon {
  width: 1.5rem;
  height: 1.5rem;
}

.modal h2 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.75rem;
  line-height: 1.15;
}

.modal p {
  margin: 0.5rem 0 0;
}

.password-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.password-form input {
  width: 100%;
  height: 3rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  background: transparent;
  color: var(--foreground);
  padding: 0 0.75rem;
  text-align: center;
  letter-spacing: 0.2em;
  outline: none;
}

.password-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.form-error {
  color: var(--destructive);
  font-size: 0.875rem;
}

.modal__note {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--secondary) 50%, transparent);
  padding: 1rem;
}

.video-modal__panel {
  width: min(100%, 58rem);
  padding: 1rem;
  text-align: left;
}

.video-modal h2 {
  padding: 0 2.5rem 0.75rem 0.25rem;
  font-size: 1.35rem;
}

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: calc(var(--radius) + 2px);
  background: var(--secondary);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.profile-form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
  text-align: left;
}

.profile-form label:not(.toggle-row) {
  color: var(--gold-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.profile-form input[type="text"] {
  width: 100%;
  min-height: 3rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  background: color-mix(in oklab, var(--secondary) 42%, transparent);
  color: var(--foreground);
  padding: 0 0.85rem;
  outline: none;
}

.profile-form input[type="text"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid color-mix(in oklab, var(--border) 74%, transparent);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--secondary) 34%, transparent);
  padding: 0.85rem;
}

.toggle-row span {
  display: grid;
  gap: 0.2rem;
}

.toggle-row strong {
  font-size: 0.94rem;
}

.toggle-row small {
  color: var(--muted-foreground);
  font-size: 0.78rem;
}

.toggle-row input {
  width: 1.35rem;
  height: 1.35rem;
  accent-color: var(--primary);
}

.bottom-nav {
  position: fixed;
  right: 0.9rem;
  bottom: 0.85rem;
  left: 0.9rem;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 28rem;
  margin: 0 auto;
  border: 1px solid color-mix(in oklab, var(--border) 72%, transparent);
  border-radius: 1.35rem;
  background: color-mix(in oklab, var(--background) 88%, black 12%);
  box-shadow: 0 22px 64px -18px rgb(0 0 0 / 0.82);
  backdrop-filter: blur(16px);
}

.bottom-nav a {
  display: grid;
  min-height: 4.25rem;
  place-items: center;
  gap: 0.22rem;
  color: color-mix(in oklab, var(--muted-foreground) 74%, transparent);
  font-size: 0.75rem;
}

.bottom-nav .icon {
  width: 1.35rem;
  height: 1.35rem;
  stroke-width: 1.8;
}

.bottom-nav a.is-active {
  color: var(--gold-soft);
}

@media (min-width: 40rem) {
  .hero__content {
    padding-top: 2.5rem;
  }

  .hero__text {
    font-size: 1rem;
  }

  .lesson-card__head {
    padding-inline: 1.75rem;
  }

  .lesson-card__actions {
    padding-inline: 1.75rem;
  }

  .material-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 48rem) {
  body {
    padding-bottom: 2rem;
  }

  .lessons {
    max-width: 54rem;
  }

  .lesson-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lesson-card__main {
    grid-template-columns: minmax(8rem, 44%) 1fr;
  }

  .bottom-nav {
    display: none;
  }
}