:root {
  --cvc-ink: #172033;
  --cvc-muted: #607089;
  --cvc-soft: #f7f3ec;
  --cvc-paper: #fffaf2;
  --cvc-card: #ffffff;
  --cvc-line: rgba(23, 32, 51, 0.12);
  --cvc-primary: #356dff;
  --cvc-primary-dark: #204ed6;
  --cvc-primary-soft: #e9efff;
  --cvc-green: #21a67a;
  --cvc-yellow: #ffd66b;
  --cvc-orange: #ff9d57;
  --cvc-shadow: 0 24px 80px rgba(23, 32, 51, 0.14);
  --cvc-shadow-soft: 0 18px 48px rgba(23, 32, 51, 0.1);
  --cvc-radius-xl: 34px;
  --cvc-radius-lg: 24px;
  --cvc-radius-md: 18px;
  --cvc-focus: 0 0 0 4px rgba(53, 109, 255, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--cvc-ink);
  background:
    radial-gradient(circle at 12% 5%, rgba(255, 214, 107, 0.22), transparent 28rem),
    radial-gradient(circle at 92% 18%, rgba(53, 109, 255, 0.12), transparent 25rem),
    linear-gradient(180deg, #fffaf2 0%, #f7f3ec 46%, #ffffff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

button,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

img,
svg {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-160%);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  color: #ffffff;
  background: var(--cvc-ink);
  transition: transform 0.2s ease;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.page-shell {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 14px 0;
  background: rgba(255, 250, 242, 0.78);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(23, 32, 51, 0.08);
}

.nav-shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 58px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #ffffff;
  background:
    linear-gradient(135deg, var(--cvc-primary), #7b5cff 58%, var(--cvc-orange));
  box-shadow: 0 12px 28px rgba(53, 109, 255, 0.26);
}

.brand-name {
  font-size: 1.08rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--cvc-muted);
  font-size: 0.95rem;
  font-weight: 720;
}

.nav-links a {
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover {
  color: var(--cvc-ink);
}

.nav-cta {
  padding: 0.78rem 1rem;
  color: #ffffff;
  background: var(--cvc-ink);
  border-radius: 999px;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--cvc-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
}

.nav-toggle-line {
  width: 20px;
  height: 2px;
  display: block;
  margin: 3px auto;
  border-radius: 99px;
  background: var(--cvc-ink);
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 78px 0 54px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(2px);
  opacity: 0.7;
}

.hero-orb-one {
  width: 210px;
  height: 210px;
  left: -80px;
  top: 100px;
  background: rgba(255, 214, 107, 0.5);
}

.hero-orb-two {
  width: 280px;
  height: 280px;
  right: -120px;
  top: 40px;
  background: rgba(53, 109, 255, 0.18);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(23, 32, 51, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 32, 51, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
}

.hero-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.76fr);
  align-items: center;
  gap: 54px;
}

.hero-copy h1,
.section-heading h2,
.two-column h2,
.split-card-copy h2,
.comparison-shell h2,
.pricing-card h2,
.final-cta-card h2 {
  margin: 0;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-copy h1 {
  max-width: 760px;
  font-size: clamp(3.05rem, 7vw, 6.6rem);
}

.hero-lead {
  max-width: 690px;
  margin: 26px 0 0;
  color: var(--cvc-muted);
  font-size: clamp(1.06rem, 2vw, 1.3rem);
  line-height: 1.65;
}

.eyebrow,
.section-kicker {
  width: fit-content;
  margin: 0 0 16px;
  padding: 0.42rem 0.72rem;
  border: 1px solid rgba(53, 109, 255, 0.18);
  border-radius: 999px;
  color: var(--cvc-primary-dark);
  background: rgba(233, 239, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.9rem 1.22rem;
  border: 0;
  border-radius: 999px;
  font-weight: 850;
  line-height: 1;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
.nav-links a:focus-visible,
.text-link:focus-visible,
.related-card:focus-visible,
.choice-card:focus-visible,
.vowel-tab:focus-visible,
summary:focus-visible,
textarea:focus-visible,
.nav-toggle:focus-visible {
  outline: none;
  box-shadow: var(--cvc-focus);
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--cvc-primary), #704dff);
  box-shadow: 0 18px 36px rgba(53, 109, 255, 0.26);
}

.button-primary:hover {
  box-shadow: 0 24px 50px rgba(53, 109, 255, 0.32);
}

.button-secondary {
  color: var(--cvc-ink);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--cvc-line);
  box-shadow: 0 14px 28px rgba(23, 32, 51, 0.08);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.trust-strip li {
  padding: 0.55rem 0.72rem;
  border: 1px solid rgba(23, 32, 51, 0.1);
  border-radius: 999px;
  color: var(--cvc-muted);
  background: rgba(255, 255, 255, 0.64);
  font-size: 0.88rem;
  font-weight: 740;
}

.hero-card {
  position: relative;
}

.game-card,
.example-builder,
.split-card,
.step-card,
.related-card,
.pricing-card,
.final-cta-card {
  border: 1px solid rgba(23, 32, 51, 0.1);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--cvc-shadow-soft);
  backdrop-filter: blur(22px);
}

.game-card {
  padding: clamp(22px, 4vw, 34px);
  border-radius: var(--cvc-radius-xl);
  transform: rotate(1deg);
}

.game-card::before {
  content: "";
  position: absolute;
  inset: -16px;
  z-index: -1;
  border-radius: 42px;
  background:
    linear-gradient(135deg, rgba(255, 214, 107, 0.38), transparent 42%),
    linear-gradient(315deg, rgba(53, 109, 255, 0.2), transparent 48%);
}

.game-card-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  color: var(--cvc-muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.status-pill {
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  color: #1e7257;
  background: rgba(33, 166, 122, 0.12);
}

.target-word {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 34px 0 18px;
}

.sound-tile {
  width: clamp(70px, 9vw, 96px);
  height: clamp(78px, 10vw, 110px);
  display: grid;
  place-items: center;
  border: 1px solid rgba(23, 32, 51, 0.1);
  border-radius: 24px;
  color: var(--cvc-ink);
  background: #ffffff;
  box-shadow: 0 16px 32px rgba(23, 32, 51, 0.12);
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.06em;
}

.sound-tile.vowel {
  background: linear-gradient(180deg, #fff6cf, #ffffff);
  border-color: rgba(255, 157, 87, 0.28);
}

.game-prompt,
.micro-note {
  margin: 0;
  text-align: center;
  color: var(--cvc-muted);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.choice-card {
  min-height: 56px;
  border: 1px solid var(--cvc-line);
  border-radius: 18px;
  color: var(--cvc-ink);
  background: #ffffff;
  font-weight: 900;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.choice-card:hover {
  transform: translateY(-2px);
}

.choice-card.active {
  border-color: rgba(33, 166, 122, 0.4);
  background: rgba(33, 166, 122, 0.12);
}

.progress-track {
  height: 10px;
  margin: 24px 0 14px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(23, 32, 51, 0.08);
}

.progress-track span {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cvc-green), var(--cvc-yellow));
}

.section {
  padding: 82px 0;
}

.section-tight {
  padding: 64px 0;
}

.two-column {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 56px;
  align-items: start;
}

.two-column h2,
.section-heading h2,
.split-card-copy h2,
.comparison-shell h2,
.pricing-card h2,
.final-cta-card h2 {
  font-size: clamp(2.05rem, 4vw, 4.1rem);
}

.rich-text p,
.section-heading p,
.split-card-copy p,
.related-card p,
.pricing-card p,
.final-cta-card p,
.step-card p,
.builder-copy p,
.price-box p {
  color: var(--cvc-muted);
  font-size: 1.02rem;
  line-height: 1.72;
}

.rich-text p:first-child {
  margin-top: 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.vowel-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.vowel-tab {
  padding: 0.76rem 1rem;
  border: 1px solid var(--cvc-line);
  border-radius: 999px;
  color: var(--cvc-muted);
  background: rgba(255, 255, 255, 0.7);
  font-weight: 850;
}

.vowel-tab.active {
  color: #ffffff;
  border-color: transparent;
  background: var(--cvc-ink);
}

.word-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 28px;
}

.word-bank span,
.builder-chips span,
.sheet-words span,
.mini-games span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 0.9rem;
  border-radius: 14px;
  color: var(--cvc-ink);
  background: #ffffff;
  border: 1px solid rgba(23, 32, 51, 0.1);
  box-shadow: 0 10px 24px rgba(23, 32, 51, 0.08);
  font-weight: 900;
}

.example-builder {
  display: grid;
  grid-template-columns: 0.85fr 1fr 1fr;
  gap: 22px;
  align-items: start;
  padding: clamp(20px, 4vw, 32px);
  border-radius: var(--cvc-radius-xl);
}

.builder-copy h3 {
  margin: 0 0 10px;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.builder-copy p {
  margin: 0;
}

.builder-form {
  display: grid;
  gap: 10px;
}

.builder-form label,
.builder-output-label {
  color: var(--cvc-muted);
  font-size: 0.84rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  padding: 1rem;
  border: 1px solid var(--cvc-line);
  border-radius: 18px;
  color: var(--cvc-ink);
  background: rgba(255, 255, 255, 0.8);
}

.builder-output {
  padding: 18px;
  border-radius: var(--cvc-radius-lg);
  background: rgba(247, 243, 236, 0.68);
}

.builder-output-label {
  margin: 0 0 12px;
}

.builder-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.split-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 34px;
  align-items: center;
  padding: clamp(24px, 5vw, 46px);
  border-radius: var(--cvc-radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(233, 239, 255, 0.58)),
    #ffffff;
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--cvc-primary-dark);
  font-weight: 900;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.worksheet-card {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

.sheet {
  min-height: 230px;
  padding: 24px;
  border-radius: 28px;
  background:
    linear-gradient(#ffffff 0 0) padding-box,
    linear-gradient(135deg, rgba(53, 109, 255, 0.4), rgba(255, 157, 87, 0.45)) border-box;
  border: 1px solid transparent;
  box-shadow: var(--cvc-shadow-soft);
}

.sheet-line {
  display: block;
  width: 90%;
  height: 14px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: rgba(23, 32, 51, 0.08);
}

.sheet-line.short {
  width: 58%;
}

.sheet-words {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.flow-arrow {
  color: var(--cvc-primary-dark);
  font-weight: 950;
}

.mini-games {
  display: grid;
  gap: 10px;
}

.steps-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step-card,
.related-card {
  padding: 24px;
  border-radius: var(--cvc-radius-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.step-card:hover,
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--cvc-shadow);
}

.step-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 38px;
  border-radius: 14px;
  color: #ffffff;
  background: var(--cvc-primary);
  font-weight: 950;
}

.step-card h3,
.related-card strong {
  margin: 0;
  display: block;
  font-size: 1.24rem;
  letter-spacing: -0.03em;
}

.related-grid {
  grid-template-columns: repeat(4, 1fr);
}

.related-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--cvc-primary-dark);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.related-card p {
  margin-bottom: 0;
}

.comparison-section {
  background: linear-gradient(180deg, rgba(247, 243, 236, 0), rgba(247, 243, 236, 0.78), rgba(247, 243, 236, 0));
}

.comparison-shell {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.comparison-table {
  overflow: hidden;
  border: 1px solid var(--cvc-line);
  border-radius: var(--cvc-radius-lg);
  background: #ffffff;
  box-shadow: var(--cvc-shadow-soft);
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comparison-row > div {
  padding: 18px;
  border-bottom: 1px solid var(--cvc-line);
}

.comparison-row > div + div {
  border-left: 1px solid var(--cvc-line);
  font-weight: 850;
}

.comparison-row:last-child > div {
  border-bottom: 0;
}

.comparison-head {
  color: #ffffff;
  background: var(--cvc-ink);
  font-weight: 900;
}

.pricing-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 30px;
  align-items: center;
  padding: clamp(24px, 5vw, 44px);
  border-radius: var(--cvc-radius-xl);
  background:
    radial-gradient(circle at top left, rgba(255, 214, 107, 0.28), transparent 38%),
    radial-gradient(circle at bottom right, rgba(53, 109, 255, 0.14), transparent 44%),
    rgba(255, 255, 255, 0.86);
}

.price-box {
  padding: 22px;
  border: 1px solid rgba(23, 32, 51, 0.1);
  border-radius: 26px;
  background: #ffffff;
}

.price-label {
  display: block;
  margin-bottom: 8px;
  color: var(--cvc-primary-dark);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.price-box strong {
  display: block;
  margin-bottom: 18px;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--cvc-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
}

.faq-list summary {
  position: relative;
  padding: 20px 54px 20px 20px;
  font-weight: 900;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 17px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #ffffff;
  background: var(--cvc-ink);
  font-weight: 800;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--cvc-muted);
}

.final-cta-section {
  padding: 70px 0 86px;
}

.final-cta-card {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 6vw, 58px);
  border-radius: 38px;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(255, 214, 107, 0.42), transparent 36%),
    radial-gradient(circle at bottom right, rgba(53, 109, 255, 0.24), transparent 36%),
    #ffffff;
}

.final-cta-card .section-kicker {
  margin-left: auto;
  margin-right: auto;
}

.final-cta-card p {
  max-width: 680px;
  margin: 18px auto 28px;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--cvc-line);
  background: rgba(255, 255, 255, 0.72);
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--cvc-muted);
  font-size: 0.92rem;
  font-weight: 750;
}

@media (max-width: 980px) {
  .hero-shell,
  .two-column,
  .split-card,
  .comparison-shell,
  .pricing-card {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 560px;
  }

  .example-builder {
    grid-template-columns: 1fr;
  }

  .steps-grid,
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .worksheet-card {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    transform: rotate(90deg);
    text-align: center;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 10px 0;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-links {
    position: fixed;
    left: 16px;
    right: 16px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--cvc-line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--cvc-shadow);
  }

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

  .nav-links a {
    padding: 0.8rem 0.9rem;
    border-radius: 14px;
  }

  .nav-cta {
    text-align: center;
  }

  .hero-section {
    padding-top: 54px;
  }

  .hero-copy h1 {
    font-size: clamp(2.75rem, 14vw, 4.8rem);
  }

  .hero-actions,
  .trust-strip {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .game-card {
    transform: none;
  }

  .choice-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 62px 0;
  }

  .related-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-row > div + div {
    border-left: 0;
  }

  .footer-shell {
    flex-direction: column;
    align-items: flex-start;
  }
}

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