/* Design tokens from dev-kit design brief */
:root {
  --color-bg: #f7f3ec;
  --color-text: #1e1e1e;
  --color-text-muted: #5f5b55;
  --color-accent: #a6533a;
  --color-accent-deep: #1f3656;
  --color-card: #fffdf9;
  --color-border: #e5ddd2;
  --color-focus: #1f3656;

  --font-family: "Assistant", "Heebo", "Noto Sans Hebrew", "Alef", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --radius: 12px;
  --shadow-soft: 0 4px 24px rgba(30, 30, 30, 0.06);
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent-deep);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--space-sm);
  top: -100%;
  z-index: 100;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-card);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-sm);
}

/* Header */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) 0;
}

.site-header__name {
  margin: 0;
  font-weight: 700;
  font-size: 1.125rem;
}

.site-header__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.site-header__nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 500;
}

.site-header__nav a:hover {
  color: var(--color-accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: #8f4632;
}

.btn--secondary {
  background: transparent;
  color: var(--color-accent-deep);
  border-color: var(--color-accent-deep);
}

.btn--secondary:hover {
  background: var(--color-accent-deep);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

.link-secondary {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.hero__eyebrow {
  margin: 0 0 var(--space-xs);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__title {
  margin: 0 0 var(--space-sm);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

.hero__subtitle {
  margin: 0 0 var(--space-md);
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 36ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__cover-wrap {
  margin: 0;
  justify-self: center;
}

.hero__cover {
  width: min(100%, 320px);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* Sections */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-xl);
}

.section-heading {
  margin: 0 0 var(--space-lg);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
}

/* Author */
.author {
  background: var(--color-card);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-xl);
}

.author__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
  gap: var(--space-lg);
  align-items: start;
}

.author__name {
  margin: 0 0 var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
}

.author__bio p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
  max-width: 70ch;
}

.author__bio p:last-child {
  margin-bottom: 0;
}

.author__link-wrap {
  margin: var(--space-md) 0 0;
}

.author__photo-wrap {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  background: #ebe5dc;
}

.author__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

/* Books */
.books__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.books__rest {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.book-card {
  display: flex;
  flex-direction: column;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.book-card--featured {
  flex-direction: row;
  align-items: stretch;
}

.book-card--featured .book-card__cover-wrap {
  flex: 0 0 min(38%, 280px);
  margin: 0;
}

.book-card--featured .book-card__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-height: 420px;
}

.book-card--featured .book-card__body {
  flex: 1;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.book-card--featured .book-card__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.book-card__cover-wrap {
  margin: 0;
  background: #ebe5dc;
}

.book-card:not(.book-card--featured) .book-card__cover-wrap {
  aspect-ratio: 2 / 3;
  overflow: hidden;
}

.book-card:not(.book-card--featured) .book-card__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.book-card__title {
  margin: 0 0 var(--space-xs);
  font-size: 1.25rem;
  font-weight: 700;
}

.book-card__meta {
  margin: 0 0 var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.book-card__summary {
  margin: 0 0 var(--space-md);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  flex: 1;
}

.book-card__footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: auto;
}

.book-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.book-card__tag {
  font-size: 0.8rem;
  padding: 0.25rem 0.65rem;
  background: var(--color-bg);
  border-radius: 999px;
  color: var(--color-text-muted);
}

/* Footer CTA */
.footer-cta {
  padding-block: var(--space-xl);
}

.footer-cta__inner {
  text-align: center;
  background: var(--color-accent-deep);
  color: #fff;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius);
}

.footer-cta__title {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
}

.footer-cta .btn--primary {
  background: #fff;
  color: var(--color-accent-deep);
}

.footer-cta .btn--primary:hover {
  background: var(--color-bg);
}

/* Site footer */
.site-footer {
  text-align: center;
  padding: var(--space-md);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.error-message {
  max-width: var(--max-width);
  margin: var(--space-xl) auto;
  padding: var(--space-md);
  text-align: center;
  color: #8b2e2e;
  background: #fde8e8;
  border-radius: var(--radius);
}

/* Tablet */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-block: var(--space-lg);
  }

  .hero__subtitle {
    max-width: none;
    margin-inline: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__cover-wrap {
    order: -1;
  }

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

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

  .author__photo-wrap {
    max-width: min(420px, 70%);
    margin-inline: auto;
  }

  .book-card--featured {
    flex-direction: column;
  }

  .book-card--featured .book-card__cover-wrap {
    flex: none;
    max-width: 65%;
    margin-inline: auto;
  }
}

/* Mobile */
@media (max-width: 600px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__cover {
    max-width: 65%;
    margin-inline: auto;
  }

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

  .book-card:not(.book-card--featured) .book-card__cover-wrap {
    max-width: 65%;
    margin-inline: auto;
  }

  .footer-cta .btn--large {
    width: 100%;
  }
}