/* ==================================================
   02 — WHAT IS MATHEREALITY?
   - Substantial whitespace
   - Line-by-line editorial reveal
   - 4 large editorial moments (NOT cards)
   ================================================== */
.section-what-is {
  position: relative;
  min-height: 140vh;
  padding: clamp(8rem, 16vh, 14rem) var(--container-padding);
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  overflow: hidden;
}

.what-is-lead-wrapper {
  max-width: 960px;
  margin: 0 auto clamp(6rem, 12vh, 10rem) auto;
}

.what-is-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 2rem;
  display: block;
}

.what-is-headline {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 3rem;
}

.what-is-statement {
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 4rem;
}

.what-is-editorial-moments {
  display: flex;
  flex-direction: column;
  gap: clamp(5rem, 10vh, 8rem);
  max-width: 1040px;
  margin: 0 auto;
}

.editorial-moment {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.editorial-moment:last-child {
  border-bottom: none;
}

.editorial-moment-title {
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.editorial-moment-desc {
  font-size: clamp(1.15rem, 1.5vw, 1.35rem);
  color: var(--text-secondary);
  line-height: 1.6;
}

.editorial-moment-visual {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
}

.editorial-moment-visual svg {
  width: 80%;
  height: 80%;
}

/* ==================================================
   03 — WHAT YOU GET
   - Long scroll section
   - Large mathematical visual alongside each point
   ================================================== */
.section-what-you-get {
  position: relative;
  min-height: 200vh;
  padding: clamp(8rem, 16vh, 12rem) var(--container-padding);
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
}

.what-you-get-header {
  max-width: 880px;
  margin: 0 auto clamp(6rem, 10vh, 8rem) auto;
  text-align: center;
}

.what-you-get-headline {
  font-size: clamp(3rem, 5.5vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.what-you-get-track {
  display: flex;
  flex-direction: column;
  gap: clamp(6rem, 12vh, 10rem);
  max-width: 1100px;
  margin: 0 auto;
}

.what-you-get-item {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.what-you-get-item:nth-child(even) {
  grid-template-columns: 1.2fr 1fr;
  direction: rtl;
}

.what-you-get-item:nth-child(even) .what-you-get-text {
  direction: ltr;
}

.what-you-get-visual-box {
  width: 100%;
  height: 320px;
  background: var(--bg-surface);
  border-radius: 24px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.what-you-get-visual-box svg {
  width: 85%;
  height: 85%;
}

.what-you-get-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.what-you-get-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--accent-purple);
  font-weight: 700;
}

.what-you-get-title {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.what-you-get-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================================================
   04 — DETAILS + PRICING
   - Large editorial vertical scroll stages
   - NOT a 3-card table
   - Progressive product reveals
   - Prices easy to edit
   ================================================== */
.section-pricing {
  position: relative;
  min-height: 220vh;
  padding: clamp(8rem, 16vh, 12rem) var(--container-padding);
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.pricing-header {
  max-width: 840px;
  margin: 0 auto clamp(5rem, 10vh, 8rem) auto;
  text-align: center;
}

.pricing-stages-list {
  display: flex;
  flex-direction: column;
  gap: 6rem;
  max-width: 980px;
  margin: 0 auto;
}

.pricing-stage-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 28px;
  padding: clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s var(--transition-smooth), border-color 0.4s ease, box-shadow 0.4s ease;
}

.pricing-stage-card.featured {
  border-color: var(--border-blue);
  box-shadow: var(--shadow-glass), var(--shadow-lg);
}

.pricing-tier-name {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-blue);
  font-weight: 700;
  margin-bottom: 1rem;
}

.pricing-price-display {
  font-size: clamp(3rem, 6vw, 4.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1;
}

.pricing-stage-tagline {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.pricing-features-list li {
  font-size: 1.05rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features-list li::before {
  content: '✓';
  color: var(--accent-teal);
  font-weight: 800;
}

.pricing-visual-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.pricing-stage-visual {
  width: 100%;
  height: 260px;
  background: var(--bg-surface);
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.pricing-stage-visual svg {
  width: 75%;
  height: 75%;
}

/* ==================================================
   05 — THE QUESTION
   - Minimalist, empty space, long pause
   - SEE extremely large with glow
   ================================================== */
.section-the-question {
  position: relative;
  min-height: 140vh;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border-subtle);
  padding: 6rem var(--container-padding);
}

.question-content-box {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.question-what-if {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.3em;
  color: var(--accent-blue);
  margin-bottom: 2.5rem;
}

.question-line-1 {
  font-size: clamp(2.75rem, 5.5vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-secondary);
  margin-bottom: 4rem;
}

.question-line-2 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
}

.question-line-2 .word-see {
  font-size: clamp(4rem, 8vw, 7.5rem);
  font-weight: 800;
  color: var(--accent-blue);
  text-shadow: 0 0 32px var(--accent-blue-glow);
  display: inline-block;
  position: relative;
}

/* ==================================================
   06 — SEE MATH (Pinned Cinematic Transformation)
   ================================================== */
.section-see-math {
  position: relative;
  min-height: 250vh;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.see-math-pinned {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  padding: var(--container-padding);
}

.see-math-stage-label {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-align: center;
}

.see-math-canvas-box {
  width: min(480px, 85vw);
  height: min(480px, 85vw);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.see-math-svg {
  width: 100%;
  height: 100%;
}

.see-math-final {
  position: absolute;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.see-math-final h2 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
}

.see-math-final h2 span {
  color: var(--accent-blue);
}

/* ==================================================
   07 — MATH IN THE REAL WORLD (Horizontal Scroll)
   ================================================== */
.section-reality {
  position: relative;
  background-color: var(--bg-primary);
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
}

.reality-pinned-wrapper {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 2rem 0;
  overflow: hidden;
}

.reality-header {
  padding: 0 var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto 3rem auto;
  width: 100%;
}

.reality-headline {
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 800px;
}

.reality-horizontal-track {
  display: flex;
  gap: 3rem;
  padding-left: var(--container-padding);
  padding-right: 20vw;
  width: max-content;
  will-change: transform;
}

.reality-card {
  flex: 0 0 clamp(360px, 35vw, 480px);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 540px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--transition-smooth), box-shadow 0.4s ease, border-color 0.4s ease;
}

.reality-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-teal);
}

.reality-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.reality-card-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

.reality-card-category {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  color: var(--accent-teal);
  font-weight: 700;
}

.reality-card-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.reality-card-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.reality-card-visual {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}

.reality-card-visual svg {
  width: 80%;
  height: 80%;
}

.reality-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.reality-card-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 0.35rem 0.85rem;
  background: var(--bg-surface-subtle);
  border-radius: 6px;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* ==================================================
   08 — TRANSFORMATION (Second Pinned Sequence)
   ================================================== */
.section-transformation {
  position: relative;
  min-height: 250vh;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.transformation-pinned {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  padding: var(--container-padding);
}

.transformation-stage-text {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-align: center;
}

.transformation-visual-box {
  width: min(500px, 85vw);
  height: min(500px, 85vw);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.transform-svg-stage {
  width: 100%;
  height: 100%;
}

.transformation-final-text {
  position: absolute;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  pointer-events: none;
}

.transformation-final-headline {
  font-size: clamp(2.75rem, 5.5vw, 4.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.transformation-final-headline span {
  color: var(--accent-blue);
}

/* ==================================================
   10 — MATH, BUT DIFFERENT
   ================================================== */
.section-math-different {
  position: relative;
  min-height: 120vh;
  background-color: #FAF9F6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--section-padding-y) var(--container-padding);
  border-top: 1px solid var(--border-subtle);
}

.math-different-content {
  max-width: 1000px;
  text-align: center;
}

.math-different-lead {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.2;
  margin-bottom: 5rem;
  letter-spacing: -0.03em;
}

.math-different-words {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 5rem;
}

.different-word {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  opacity: 0.15;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, color 0.4s ease;
}

.different-word.active {
  opacity: 1;
  transform: translateY(0);
}

.different-word:hover {
  color: var(--accent-teal);
}

.math-different-final {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  color: var(--accent-blue);
  opacity: 0;
  transform: translateY(20px);
}

/* ==================================================
   11 — LEARN
   ================================================== */
.section-learn {
  padding: var(--section-padding-y) 0;
  background-color: var(--bg-surface);
  position: relative;
  border-top: 1px solid var(--border-subtle);
}

.learn-header {
  margin-bottom: 5rem;
}

.learn-headline {
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.learn-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 3rem 2.25rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--transition-smooth), border-color 0.35s ease, box-shadow 0.35s ease;
  cursor: pointer;
}

.learn-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-teal);
  box-shadow: var(--shadow-lg);
  background-color: #FFFFFF;
}

.learn-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: var(--accent-blue-subtle);
  border: 1px solid var(--border-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--accent-blue);
  transition: transform 0.4s var(--transition-bounce);
}

.learn-card:hover .learn-card-icon {
  transform: scale(1.1) rotate(6deg);
}

.learn-card-title {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.learn-card-topics {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.learn-card-topics li {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.learn-card-topics li::before {
  content: '→';
  color: var(--accent-purple);
  font-weight: 700;
}

.learn-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==================================================
   12 — ONE CONCEPT (Circle Deconstruction & Rebuild)
   ================================================== */
.section-one-concept {
  position: relative;
  min-height: 250vh;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
}

.concept-pinned-box {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  padding: var(--container-padding);
}

.concept-headline-area {
  text-align: center;
  max-width: 800px;
  margin-bottom: 2rem;
  z-index: 5;
}

.concept-headline {
  font-size: clamp(2.75rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.concept-stage-canvas {
  position: relative;
  width: min(520px, 85vw);
  height: min(520px, 85vw);
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept-svg-circle {
  width: 100%;
  height: 100%;
}

.concept-conclusion {
  position: absolute;
  bottom: 3rem;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  z-index: 6;
}

.concept-conclusion-text {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
}

/* ==================================================
   13 — DISCOVER (Dedicated Individual Scroll Moments)
   - NOT a standard grid
   - Each fact has a dedicated moment
   ================================================== */
.section-discover {
  position: relative;
  padding: var(--section-padding-y) 0;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.discover-header {
  max-width: 880px;
  margin: 0 auto clamp(5rem, 10vh, 8rem) auto;
  text-align: center;
}

.discover-facts-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(6rem, 12vh, 10rem);
  max-width: 900px;
  margin: 0 auto;
}

.fact-moment {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 28px;
  padding: clamp(3rem, 6vw, 5rem);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: transform 0.4s var(--transition-smooth), border-color 0.4s ease;
}

.fact-moment:hover {
  transform: translateY(-6px);
  border-color: var(--border-purple);
}

.fact-moment-badge {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: var(--accent-purple);
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: block;
}

.fact-moment-title {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.fact-moment-highlight {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--accent-purple);
  font-weight: 700;
  background: var(--accent-purple-subtle);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  display: inline-block;
  margin-bottom: 1.5rem;
  word-break: break-all;
}

.fact-moment-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==================================================
   14 — MATH AROUND YOU
   ================================================== */
.section-math-around {
  position: relative;
  min-height: 200vh;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
}

.math-around-pinned {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  padding: var(--container-padding);
}

.math-around-header {
  position: absolute;
  top: 10vh;
  text-align: center;
  z-index: 10;
}

.math-around-headline {
  font-size: clamp(3rem, 5.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.math-around-canvas-box {
  width: min(880px, 92vw);
  height: min(520px, 60vh);
  border-radius: 24px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.math-around-svg {
  width: 100%;
  height: 100%;
}

.math-around-text-sequence {
  position: absolute;
  bottom: 8vh;
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 700;
  color: var(--text-primary);
  z-index: 10;
}

.math-around-text-sequence span {
  color: var(--accent-purple);
}