.landing-body {
  overflow-x: clip;
  background: #fffaf0;
}

.landing-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(255, 250, 240, 0.88);
  border-bottom: 1px solid transparent;
}

.landing-header.is-scrolled {
  border-bottom-color: rgba(10, 99, 92, 0.12);
  box-shadow: 0 8px 26px rgba(10, 99, 92, 0.06);
}

.brand-mark,
.hero-kicker,
.hero-brand,
.section h2,
.card-copy h3 {
  font-family: var(--font-kid);
}

.nav-start {
  color: #fff !important;
  background: var(--sea-deep);
  border-radius: 999px;
  padding: 0.55rem 1rem !important;
}

.nav-links .nav-start:hover,
.nav-links .nav-start:focus-visible {
  color: #fff !important;
  background: #064a45;
}

.menu-toggle {
  display: none;
  border: 2px solid var(--sea-deep);
  background: #fff;
  border-radius: 14px;
  width: var(--touch);
  height: var(--touch);
  padding: 0;
  font-weight: 800;
  color: var(--sea-deep);
}

.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.55) 0 5%, transparent 5.5%),
    radial-gradient(circle at 92% 12%, rgba(255, 227, 168, 0.72) 0 11%, transparent 11.5%),
    linear-gradient(125deg, #dff5ef 0%, #c4eee7 44%, #d7f2fb 100%);
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  opacity: 0.58;
}

.hero-visual::before {
  width: 28rem;
  height: 28rem;
  right: -10rem;
  bottom: -12rem;
  background: #f8c454;
}

.hero-visual::after {
  width: 18rem;
  height: 18rem;
  left: -8rem;
  top: 30%;
  border: 3rem solid rgba(13, 138, 127, 0.12);
}

.hero-content {
  width: var(--content);
  margin: 0 auto;
  padding: var(--space-6) 0;
  color: var(--ink);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 var(--space-3);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--sea-deep);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  animation: riseIn 0.65s ease both;
}

.hero-kicker .brand-wordmark {
  letter-spacing: -0.02em;
}

.hero-kicker .brand-wordmark span {
  color: var(--brand-spark);
}

.hero-brand {
  max-width: 12ch;
  margin: 0 0 var(--space-3);
  color: var(--sea-deep);
  font-size: clamp(3rem, 7.4vw, 6.3rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.05;
  text-wrap: balance;
  animation: riseIn 0.65s 0.06s ease both;
}

.hero-lead {
  max-width: 29rem;
  margin: 0 0 var(--space-4);
  color: #395d61;
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.65;
  animation: riseIn 0.65s 0.12s ease both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  animation: riseIn 0.65s 0.18s ease both;
}

.hero-cta .btn {
  border-radius: 999px;
  font-weight: 800;
}

.hero-cta .btn-primary {
  color: #fff;
  background: var(--sea-deep);
  border-color: var(--sea-deep);
  box-shadow: 0 6px 0 #064a45;
}

.hero-cta .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 #064a45;
}

.hero-cta .btn-secondary {
  color: var(--sea-deep);
  background: rgba(255, 255, 255, 0.72);
  border: 2px solid rgba(10, 99, 92, 0.28);
}

.hero-reward {
  margin: var(--space-3) 0 0;
  color: #466b6d;
  font-size: var(--text-sm);
  font-weight: 700;
  animation: riseIn 0.65s 0.24s ease both;
}

.hero-reward span {
  color: var(--sun-deep);
}

.hero-book {
  position: absolute;
  z-index: -1;
  top: 50%;
  right: max(5vw, calc((100vw - 1120px) / 2));
  width: min(39vw, 430px);
  aspect-ratio: 1;
  transform: translateY(-50%) rotate(3deg);
  animation: bookFloat 5s ease-in-out infinite;
}

.book-cover,
.book-pages {
  position: absolute;
  inset: 15% 12% 12% 17%;
  border-radius: 22px 38px 38px 22px;
}

.book-pages {
  transform: translate(15px, 14px);
  background: repeating-linear-gradient(
    0deg,
    #fff9e8 0 8px,
    #e7d9bd 8px 10px
  );
  box-shadow: 12px 18px 30px rgba(31, 100, 97, 0.2);
}

.book-cover {
  z-index: 2;
  display: grid;
  place-content: center;
  text-align: center;
  color: #fff8de;
  border: 5px solid #fff8de;
  background:
    radial-gradient(circle at 72% 20%, #f9c74f 0 5%, transparent 5.5%),
    linear-gradient(145deg, #ef6b58, #dc5067);
  box-shadow: inset -13px 0 rgba(123, 43, 70, 0.16);
}

.book-cover::before {
  content: "";
  position: absolute;
  inset: 10%;
  border: 2px dashed rgba(255, 248, 222, 0.55);
  border-radius: 16px 28px 28px 16px;
}

.book-moon {
  font-size: 4.2rem;
  line-height: 1;
}

.book-title {
  font-family: var(--font-kid);
  font-size: clamp(1.1rem, 2.3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.09em;
}

.book-star {
  position: absolute;
  z-index: 3;
  color: var(--sun);
  text-shadow: 0 3px #fff;
  animation: twinkle 2.2s ease-in-out infinite;
}

.star-one {
  top: 4%;
  right: 13%;
  font-size: 2.1rem;
}

.star-two {
  left: 7%;
  bottom: 17%;
  font-size: 1.4rem;
  animation-delay: 0.7s;
}

.book-cloud {
  position: absolute;
  z-index: 1;
  width: 5.3rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
}

.book-cloud::before,
.book-cloud::after {
  content: "";
  position: absolute;
  bottom: 0;
  border-radius: 50%;
  background: inherit;
}

.book-cloud::before {
  left: 16%;
  width: 2.5rem;
  height: 2.5rem;
}

.book-cloud::after {
  right: 15%;
  width: 1.8rem;
  height: 1.8rem;
}

.cloud-one {
  top: 7%;
  left: -3%;
}

.cloud-two {
  right: -7%;
  bottom: 9%;
  transform: scale(0.72);
}

.section {
  width: var(--content);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 7rem) 0;
}

.section-label {
  margin-bottom: var(--space-2);
  color: var(--coral);
  font-family: var(--font-kid);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.section h2 {
  margin-bottom: var(--space-2);
  color: var(--sea-deep);
  font-size: clamp(2rem, 5vw, 3.7rem);
  line-height: 1.12;
}

.section .support {
  max-width: 38rem;
  margin-bottom: var(--space-5);
  color: var(--muted);
  font-size: var(--text-md);
  font-weight: 700;
}

.adventure-section {
  text-align: center;
}

.adventure-section .support {
  margin-inline: auto;
}

.adventure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
  text-align: left;
}

.adventure-card {
  overflow: hidden;
  border: 2px solid rgba(10, 99, 92, 0.1);
  border-radius: 34px;
  background: #fff;
  box-shadow: 0 14px 0 rgba(10, 99, 92, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.adventure-card:hover {
  transform: translateY(-7px) rotate(-0.4deg);
  box-shadow: 0 22px 0 rgba(10, 99, 92, 0.09);
}

.practice-card:hover {
  transform: translateY(-7px) rotate(0.4deg);
}

.card-art {
  position: relative;
  min-height: 250px;
  overflow: hidden;
}

.story-art {
  background: linear-gradient(#87d9ee 0 56%, #f9d777 56%);
}

.art-sun {
  position: absolute;
  top: 12%;
  right: 13%;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: #fff2a9;
  box-shadow: 0 0 0 13px rgba(255, 242, 169, 0.28);
}

.art-hill {
  position: absolute;
  bottom: -32%;
  border-radius: 50% 50% 0 0;
}

.hill-back {
  left: -15%;
  width: 75%;
  height: 75%;
  background: #73bf91;
}

.hill-front {
  right: -20%;
  width: 85%;
  height: 68%;
  background: #318b73;
}

.art-reader {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 15%;
  font-size: 5.5rem;
  transform: translateX(-50%) rotate(-4deg);
}

.practice-art {
  display: grid;
  place-items: center;
  background: #ffe6ab;
}

.art-mic {
  position: relative;
  z-index: 2;
  font-size: 5.5rem;
  transform: rotate(-7deg);
}

.sound-ring {
  position: absolute;
  border: 3px solid rgba(232, 93, 76, 0.34);
  border-radius: 50%;
}

.ring-one {
  width: 9rem;
  height: 9rem;
}

.ring-two {
  width: 13rem;
  height: 13rem;
}

.word-chip {
  position: absolute;
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 13px;
  color: #fff;
  background: var(--coral);
  font-weight: 800;
  box-shadow: 0 5px 0 #ba4538;
}

.chip-one {
  top: 17%;
  left: 18%;
  transform: rotate(-9deg);
}

.chip-two {
  top: 14%;
  right: 17%;
  transform: rotate(8deg);
}

.chip-three {
  right: 13%;
  bottom: 14%;
  transform: rotate(-5deg);
}

.card-copy {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.card-number {
  color: var(--coral);
  font-family: var(--font-kid);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
}

.card-copy h3 {
  margin: 0.35rem 0 0.2rem;
  color: var(--sea-deep);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.card-copy p {
  color: var(--muted);
  font-weight: 600;
  line-height: 1.7;
}

.card-copy .card-tagline {
  margin-bottom: 0.8rem;
  color: var(--ink);
  font-size: var(--text-lg);
  font-weight: 800;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: var(--space-3);
  color: var(--sea-deep);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.reward-band {
  background:
    radial-gradient(circle at 11% 25%, rgba(255, 255, 255, 0.13) 0 8%, transparent 8.5%),
    var(--sea-deep);
  color: #fff;
}

.reward-inner {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  align-items: center;
  gap: var(--space-5);
}

.reward-copy h2,
.reward-copy .section-label {
  color: #fff5c6;
}

.reward-copy p {
  max-width: 36rem;
  margin-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.83);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.7;
}

.reward-copy .btn-primary {
  color: var(--sea-deep);
  background: #fff;
  border-color: #fff;
  border-radius: 999px;
}

.reward-copy .btn-primary:hover:not(:disabled),
.reward-copy .btn-primary:focus-visible {
  color: #fff;
  background: #073f3b;
  border-color: #fff;
}

.reward-board {
  position: relative;
  min-height: 330px;
}

.reward-stamp {
  position: absolute;
  display: grid;
  place-content: center;
  width: 9rem;
  aspect-ratio: 1;
  text-align: center;
  border: 5px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  color: var(--ink);
  background: #ffd66b;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}

.reward-stamp strong {
  font-family: var(--font-kid);
  font-size: 3.2rem;
  line-height: 0.9;
}

.reward-stamp span {
  font-size: var(--text-xs);
  font-weight: 800;
}

.stamp-one {
  top: 3%;
  left: 7%;
  transform: rotate(-8deg);
}

.stamp-two {
  right: 8%;
  bottom: 5%;
  color: #fff;
  background: var(--coral);
  transform: rotate(8deg);
}

.reward-note {
  position: absolute;
  top: 35%;
  left: 31%;
  z-index: 2;
  padding: 1.1rem 1.3rem;
  color: var(--sea-deep);
  background: #fff;
  border-radius: 8px 22px 22px 22px;
  font-family: var(--font-kid);
  font-size: var(--text-md);
  font-weight: 700;
  transform: rotate(-2deg);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.reward-note span {
  color: var(--sun-deep);
}

.closing {
  text-align: center;
}

.closing .support {
  margin-inline: auto;
}

.closing .btn-sun {
  min-width: 9rem;
  border-radius: 999px;
  box-shadow: 0 6px 0 #b96d00;
  font-size: var(--text-lg);
}

.site-footer {
  width: var(--content);
  margin: 0 auto;
  padding: var(--space-4) 0 var(--space-5);
  color: var(--muted);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: 700;
}

.site-footer a {
  color: var(--sea-deep);
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

@keyframes bookFloat {
  0%, 100% { transform: translateY(-50%) rotate(3deg); }
  50% { transform: translateY(calc(-50% - 12px)) rotate(1deg); }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.5; transform: scale(0.8) rotate(-8deg); }
  50% { opacity: 1; transform: scale(1.15) rotate(8deg); }
}

@media (max-width: 959px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.25rem);
    right: var(--space-4);
    left: var(--space-4);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-2);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .site-header {
    position: relative;
  }

  .adventure-grid,
  .reward-inner {
    grid-template-columns: 1fr;
  }

  .reward-board {
    min-height: 310px;
  }
}

@media (max-width: 840px) {
  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .hero-content {
    padding-top: 24rem;
  }

  .hero-book {
    top: 2rem;
    right: 50%;
    width: min(75vw, 360px);
    transform: translateX(50%);
    animation: mobileBookFloat 5s ease-in-out infinite;
  }

  .hero-brand {
    max-width: 11ch;
  }
}

@media (max-width: 560px) {
  .hero-content {
    padding-top: 21rem;
  }

  .hero-brand {
    font-size: clamp(2.6rem, 13vw, 4.2rem);
  }

  .hero-book {
    width: min(84vw, 310px);
  }

  .hero-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-cta .btn {
    justify-content: center;
  }

  .card-art {
    min-height: 210px;
  }

  .reward-board {
    transform: scale(0.9);
    margin-inline: -5%;
  }
}

@keyframes mobileBookFloat {
  0%, 100% { transform: translateX(50%) translateY(0) rotate(3deg); }
  50% { transform: translateX(50%) translateY(-10px) rotate(1deg); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}