/* ==========================================================================
   Галина Соколинская — Личный сайт автора
   Простой адаптивный CSS без фреймворков
   ========================================================================== */

:root {
  --bg-page: #faf7f2;
  --bg-alt: #f3ede2;
  --bg-card: #fffefb;
  --bg-cover: #f6f0e4;
  --text-main: #26231f;
  --text-muted: #5f574e;
  --border-soft: #e7dfd1;
  --accent: #c84b31;
  --accent-hover: #ab3b24;
  --shadow-card: 0 8px 28px rgba(38, 35, 31, 0.06);
  --shadow-book: 0 10px 24px rgba(38, 35, 31, 0.14);

  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "Onest", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --container-max: 1100px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Шапка и меню
   ========================================================================== */

.site-header {
  padding: 52px 0 28px;
  text-align: center;
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(180deg, #fffdf9 0%, var(--bg-page) 100%);
}

.author-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--text-main);
}

.author-subtitle {
  margin: 10px 0 0;
  font-size: 0.98rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.site-nav {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 28px;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 6px 2px;
  transition: color 0.2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1.5px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

/* ==========================================================================
   Общие стили секций
   ========================================================================== */

.section {
  padding: 68px 0;
  scroll-margin-top: 24px;
}

.section-alt {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section-title {
  margin: 0 0 40px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2rem, 3.6vw, 2.65rem);
  line-height: 1.15;
  text-align: center;
  color: var(--text-main);
}

/* ==========================================================================
   Секция «Книги»
   ========================================================================== */

.books-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  align-items: stretch;
}

.book-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.book-cover-wrap {
  aspect-ratio: 3 / 4;
  background-color: var(--bg-cover);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.book-cover-wrap picture {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.book-cover {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: var(--shadow-book);
  transition: transform 0.25s ease;
}

.book-card:hover .book-cover {
  transform: translateY(-3px);
}

.book-title {
  margin: 22px 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1.22;
  color: var(--text-main);
}

.book-description {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.62;
  color: var(--text-muted);
}

.book-actions {
  margin-top: auto;
  padding-top: 22px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 22px;
  border-radius: 10px;
  background-color: var(--accent);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

/* ==========================================================================
   Секция «Об авторе»
   ========================================================================== */

.bio-layout {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
}

.bio-photo-wrap {
  width: 200px;
  height: 200px;
  border-radius: 22px;
  overflow: hidden;
  border: 6px solid var(--bg-card);
  box-shadow: var(--shadow-book);
  background-color: var(--bg-cover);
}

.bio-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bio-text p {
  margin: 0 0 16px;
  font-size: 1.04rem;
  line-height: 1.72;
  color: var(--text-main);
}

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

/* ==========================================================================
   Секция «Контакты» и подвал
   ========================================================================== */

.contacts-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contacts-lead {
  margin: 0 0 24px;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  border-radius: 999px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.02rem;
  color: var(--text-main);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.social-link:hover,
.social-link:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.social-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--border-soft);
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Мобильная версия (телефоны и узкие экраны)
   ========================================================================== */

@media (max-width: 880px) {
  .site-header {
    padding: 38px 0 22px;
  }

  .section {
    padding: 52px 0;
  }

  .section-title {
    margin-bottom: 28px;
  }

  .books-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
    gap: 24px;
  }

  .bio-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: left;
  }

  .bio-photo-wrap {
    width: 170px;
    height: 170px;
    margin: 0 auto;
  }
}

@media (max-width: 420px) {
  .container {
    padding: 0 18px;
  }

  .site-nav {
    gap: 6px 20px;
  }

  .book-card {
    padding: 20px;
  }
}