.workbook-page {
  width: min(100% - var(--page-gutter) * 2, 1200px);
  display: grid;
  gap: clamp(56px, 8vw, 96px);
  padding-top: clamp(40px, 6vw, 64px);
  padding-bottom: clamp(64px, 8vw, 96px);
}

.workbook-eyebrow {
  margin: 0;
  color: #ff2942;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workbook-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid #ffe0e6;
  border-radius: 28px;
  background: linear-gradient(145deg, #fffafb 0%, #ffffff 58%);
  box-shadow: 0 24px 60px rgba(255, 41, 66, 0.08);
}

.workbook-hero__content {
  display: grid;
  gap: 20px;
}

.workbook-hero__content h1,
.workbook-section__heading h2,
.workbook-benefits h2,
.workbook-cta h2 {
  margin: 0;
  color: var(--color-graphite);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.workbook-hero__content h1 {
  font-size: clamp(38px, 5vw, 64px);
  max-width: 14ch;
}

.workbook-hero__lead,
.workbook-hero__description,
.workbook-section__heading p,
.workbook-cta__text {
  max-width: 640px;
  margin: 0;
  color: var(--color-soft-graphite);
  line-height: 1.65;
}

.workbook-hero__lead {
  color: var(--color-graphite);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
}

.workbook-price {
  color: #ff2942;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1;
}

.workbook-hero__card {
  display: grid;
  gap: 16px;
  width: 100%;
  max-width: 320px;
  padding: 28px 24px;
  border: 2px solid #ff2942;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(255, 41, 66, 0.12);
  justify-self: center;
}

.workbook-hero__card-label {
  margin: 0;
  color: #ff2942;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.workbook-hero__card-subtitle {
  margin: 0;
  color: var(--color-graphite);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.workbook-hero__card-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workbook-hero__card-list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-graphite);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
}

.workbook-hero__card-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #ff2942;
  font-weight: 800;
}

.workbook-hero__card-price {
  margin: 4px 0 0;
  padding-top: 18px;
  border-top: 1px solid #ffe0e6;
  color: #ff2942;
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.workbook-benefits {
  display: grid;
  gap: 24px;
}

.workbook-benefits h2 {
  font-size: clamp(28px, 4vw, 40px);
}

.workbook-benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.workbook-benefit-card {
  display: grid;
  gap: 10px;
  min-height: 100%;
  padding: 22px;
  border: 1px solid #ffe0e6;
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(32, 33, 36, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.workbook-benefit-card:hover {
  transform: translateY(-4px);
  border-color: #ff5b6e;
  box-shadow: 0 18px 36px rgba(255, 41, 66, 0.12);
}

.workbook-benefit-card strong {
  color: var(--color-graphite);
  font-size: 18px;
  line-height: 1.25;
}

.workbook-benefit-card span {
  color: var(--color-soft-graphite);
  font-size: 14px;
  line-height: 1.55;
}

.workbook-section {
  display: grid;
  gap: 28px;
}

.workbook-section__heading {
  display: grid;
  gap: 12px;
}

.workbook-section__heading h2,
.workbook-cta h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.workbook-contents-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.workbook-feature-card {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 10px;
  min-height: 156px;
  padding: 22px 20px 20px 72px;
  border: 1px solid #ffe0e6;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(32, 33, 36, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.workbook-feature-card::before {
  content: "";
  position: absolute;
  width: 36px;
  height: 36px;
  margin-left: -52px;
  margin-top: 2px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ff2942, #ff5b6e);
  box-shadow: 0 8px 18px rgba(255, 41, 66, 0.22);
}

.workbook-feature-card {
  position: relative;
}

.workbook-feature-card--lessons::after,
.workbook-feature-card--math::after,
.workbook-feature-card--goals::after,
.workbook-feature-card--contacts::after,
.workbook-feature-card--checklist::after,
.workbook-feature-card--prompts::after,
.workbook-feature-card--objections::after,
.workbook-feature-card--plan::after {
  position: absolute;
  top: 28px;
  left: 28px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}

.workbook-feature-card--lessons::after { content: "10"; }
.workbook-feature-card--math::after { content: "×"; }
.workbook-feature-card--goals::after { content: "◎"; }
.workbook-feature-card--contacts::after { content: "☎"; }
.workbook-feature-card--checklist::after { content: "✓"; }
.workbook-feature-card--prompts::after { content: "AI"; font-size: 11px; }
.workbook-feature-card--objections::after { content: "?"; }
.workbook-feature-card--plan::after { content: "90"; font-size: 11px; }

.workbook-feature-card:hover {
  transform: translateY(-4px);
  border-color: #ff5b6e;
  box-shadow: 0 16px 36px rgba(255, 41, 66, 0.12);
}

.workbook-feature-card strong {
  color: var(--color-graphite);
  font-size: 18px;
  line-height: 1.25;
}

.workbook-feature-card span {
  color: var(--color-soft-graphite);
  line-height: 1.5;
  font-size: 14px;
}

.workbook-section--preview {
  padding: clamp(24px, 4vw, 36px);
  border-radius: 28px;
  background: linear-gradient(180deg, #fff7f8 0%, #ffffff 100%);
}

.workbook-preview-badge {
  display: inline-flex;
  width: fit-content;
  margin: 0;
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff2942, #ff5b6e);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 24px rgba(255, 41, 66, 0.24);
}

.workbook-preview-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.workbook-preview-card {
  display: grid;
  margin: 0;
  aspect-ratio: 210 / 297;
  overflow: hidden;
  border: 1px solid #ffe0e6;
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 14px 32px rgba(32, 33, 36, 0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.workbook-preview-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(255, 41, 66, 0.18);
}

.workbook-preview-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.workbook-cta {
  display: grid;
  gap: 20px;
  padding: clamp(32px, 5vw, 56px);
  border-radius: 28px;
  background: linear-gradient(135deg, #ff2942 0%, #ff5b6e 100%);
  box-shadow: 0 24px 56px rgba(255, 41, 66, 0.28);
  color: #ffffff;
}

.workbook-cta h2,
.workbook-cta__text {
  color: #ffffff;
}

.workbook-cta__text {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.7;
}

.workbook-note {
  color: var(--color-soft-graphite);
  font-size: 13px;
}

.workbook-note--light {
  color: rgba(255, 255, 255, 0.82);
}

.workbook-vk-banner {
  display: grid;
  gap: 12px;
  padding: 22px 24px;
  border: 1px solid rgba(0, 119, 255, 0.14);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(0, 119, 255, 0.06), transparent 55%),
    #ffffff;
  box-shadow: 0 10px 24px rgba(32, 33, 36, 0.06);
}

.workbook-vk-banner h2 {
  margin: 0;
  color: var(--color-graphite);
  font-size: clamp(20px, 2.5vw, 26px);
  line-height: 1.25;
}

.workbook-vk-banner p {
  margin: 0;
  color: var(--color-soft-graphite);
  line-height: 1.55;
}

.workbook-vk-banner .button--vk {
  justify-self: start;
}

@media (max-width: 1024px) {
  .workbook-benefits__grid,
  .workbook-contents-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workbook-preview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .workbook-hero {
    grid-template-columns: 1fr;
  }

  .workbook-hero__content {
    order: 1;
  }

  .workbook-hero__card {
    order: 2;
    max-width: 100%;
  }

  .workbook-hero__content h1 {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .workbook-page {
    gap: 48px;
  }

  .workbook-hero__content h1 {
    font-size: 36px;
  }

  .workbook-benefits__grid,
  .workbook-contents-grid,
  .workbook-preview-grid {
    grid-template-columns: 1fr;
  }

  .workbook-preview-grid {
    max-width: 320px;
    margin: 0 auto;
  }

  .workbook-cta .button-row .button,
  .workbook-hero .button-row .button {
    width: 100%;
  }
}

.workbook-hero--sales {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
  max-width: 1200px;
  margin: 0 auto 72px;
  padding: clamp(40px, 7vw, 88px) clamp(16px, 3vw, 32px);
  border: 1px solid rgba(255, 41, 66, 0.12);
  border-radius: 32px;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 41, 66, 0.10), transparent 32%),
    linear-gradient(135deg, #ffffff 0%, #fff8f9 100%);
}

.workbook-hero--sales .workbook-hero__content {
  max-width: 720px;
}

.workbook-hero--sales h1 {
  margin: 0 0 10px;
  font-size: clamp(64px, 9vw, 118px);
  line-height: 0.88;
  letter-spacing: -0.07em;
}

.workbook-hero__subtitle {
  margin: 0 0 24px;
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #1f2026;
}

.workbook-hero--sales .workbook-hero__lead {
  max-width: 680px;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  font-weight: 700;
}

.workbook-hero--sales .workbook-hero__description {
  max-width: 640px;
  color: #5f6370;
}

.workbook-product-card {
  position: relative;
  padding: 32px;
  border: 2px solid #ff2942;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 28px 80px rgba(255, 41, 66, 0.16);
}

.workbook-product-card::before {
  content: "";
  position: absolute;
  inset: -12px;
  z-index: -1;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(255, 41, 66, 0.16), rgba(255, 91, 110, 0.04));
}

.workbook-product-card__eyebrow {
  margin: 0 0 12px;
  color: #ff2942;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.workbook-product-card h2 {
  margin: 0 0 22px;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.workbook-product-card ul {
  display: grid;
  gap: 12px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.workbook-product-card li {
  display: flex;
  gap: 10px;
  font-weight: 750;
}

.workbook-product-card li::before {
  content: "✓";
  color: #ff2942;
  font-weight: 900;
}

.workbook-product-card strong {
  display: block;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 41, 66, 0.18);
  color: #ff2942;
  font-size: 42px;
  line-height: 1;
}

.workbook-for-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.workbook-for-grid article {
  min-height: 140px;
  padding: 24px;
  border: 1px solid rgba(255, 41, 66, 0.14);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 14px 40px rgba(32, 35, 45, 0.06);
  font-weight: 750;
  line-height: 1.45;
}

.workbook-preview-card {
  border-radius: 22px !important;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(32, 35, 45, 0.10);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.workbook-preview-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 70px rgba(32, 35, 45, 0.16);
}

@media (max-width: 900px) {
  .workbook-hero--sales {
    grid-template-columns: 1fr;
  }

  .workbook-product-card {
    max-width: 420px;
  }

  .workbook-for-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .workbook-hero--sales {
    padding: 32px 18px;
    border-radius: 24px;
  }

  .workbook-for-grid {
    grid-template-columns: 1fr;
  }

  .workbook-product-card {
    padding: 24px;
  }
}

.workbook-ai__lead {
  max-width: 760px;
  margin: 0;
  color: var(--color-soft-graphite);
  line-height: 1.65;
}

.workbook-ai__card {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid rgba(255, 41, 66, 0.14);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 48px rgba(32, 35, 45, 0.08);
}

.workbook-ai__label,
.workbook-ai__template-label {
  margin: 0;
  color: var(--color-graphite);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.workbook-ai__input {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid rgba(255, 41, 66, 0.18);
  border-radius: 16px;
  background: #ffffff;
  color: var(--color-graphite);
  font: inherit;
  line-height: 1.5;
  resize: vertical;
}

.workbook-ai__input:focus {
  outline: 2px solid rgba(255, 41, 66, 0.24);
  outline-offset: 2px;
}

.workbook-ai__input::placeholder {
  color: #9aa0ad;
}

.workbook-ai__prompt {
  margin: 0;
  padding: 18px 20px;
  border: 1px solid rgba(255, 41, 66, 0.12);
  border-radius: 16px;
  background: #fffafb;
  color: #3a3d46;
  font: inherit;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.workbook-ai__actions {
  flex-wrap: wrap;
}

.workbook-ai__actions .button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

.workbook-ai__status {
  min-height: 1.4em;
  margin: 0;
  color: #ff2942;
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 620px) {
  .workbook-ai__actions .button {
    width: 100%;
  }
}