:root {
  /* Kvalitin sloganipalkin neljä tunnusväriä. Sävyjä voi hienosäätää tästä yhdestä kohdasta. */
  --kvaliti-teal: #39beb9;
  --kvaliti-yellow: #ffc514;
  --kvaliti-pink: #ee78b8;
  --kvaliti-blue: #438de8;

  --ink: #303030;
  --muted: #6f6f6f;
  --paper: #fffdf7;
  --white: #ffffff;
  --line: #e6e1d8;
  --soft: #f5f2eb;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --max-width: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Source Sans 3", Arial, sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

button,
input { font: inherit; }

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 28px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: clamp(220px, 31vw, 355px);
  height: auto;
}

h1,
h2,
.card-title,
.eyebrow,
.slogan {
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
}


.slogan {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
  color: #fff;
  font-weight: 500;
  font-size: clamp(0.78rem, 2vw, 1rem);
  line-height: 1;
  text-align: center;
}

.slogan span { padding: 12px 8px 13px; }
.slogan-teal { background: var(--kvaliti-teal); }
.slogan-yellow { background: var(--kvaliti-yellow); }
.slogan-pink { background: var(--kvaliti-pink); }
.slogan-blue { background: var(--kvaliti-blue); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 54px 28px 72px;
}

.catalog-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(270px, 0.8fr);
  align-items: end;
  gap: 50px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--kvaliti-blue);
  font-weight: 500;
  letter-spacing: 0.08em;
  font-size: 0.84rem;
}

h1,
h2 { margin: 0; line-height: 1.05; }

h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.025em;
  font-weight: 500;
  color: #292929;
}

.intro {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.search-wrap label {
  display: block;
  margin-bottom: 7px;
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  color: #3a3a3a;
}

.search-wrap input {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid #cfc9bf;
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  outline: none;
}

.search-wrap input:focus {
  border-color: var(--kvaliti-blue);
  box-shadow: 0 0 0 3px rgba(67, 141, 232, 0.16);
}

.catalog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 28px;
  margin-bottom: 22px;
  color: var(--muted);
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--kvaliti-blue);
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px 24px;
}

.book-card {
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.045);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.book-card:hover,
.book-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.cover-link {
  display: block;
  position: relative;
  height: 360px;
  padding: 22px 20px 18px;
  background: var(--soft);
  text-decoration: none;
}

.cover-link::after {
  content: "Katso tiedot";
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(21, 21, 21, 0.84);
  color: white;
  font-size: 0.78rem;
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  opacity: 0;
  transform: translateY(5px);
  transition: 160ms ease;
}

.book-card:hover .cover-link::after,
.book-card:focus-within .cover-link::after {
  opacity: 1;
  transform: translateY(0);
}

.cover-link img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 10px 10px rgba(0, 0, 0, 0.13));
}

.card-body { padding: 18px 18px 20px; }

.card-series {
  min-height: 1.35em;
  margin: 0 0 5px;
  color: var(--kvaliti-blue);
  font-size: 0.8rem;
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card-title {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.14;
  font-weight: 500;
  color: #2f2f2f;
}

.card-title a { text-decoration: none; }
.card-title a:hover { text-decoration: underline; text-decoration-thickness: 2px; }

.card-creator {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.card-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 15px;
}

.fact-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  background: #fff;
  color: #4b4b4b;
  font-size: 0.8rem;
}

.empty-state {
  padding: 40px 0;
  text-align: center;
  color: var(--muted);
}

.detail-view { max-width: 1120px; margin: 0 auto; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px;
  border: 0;
  background: transparent;
  color: var(--kvaliti-blue);
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: 58px;
  align-items: start;
}

.detail-cover {
  position: sticky;
  top: 24px;
  padding: 28px;
  border-radius: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.detail-cover img {
  width: 100%;
  max-height: 680px;
  display: block;
  object-fit: contain;
}

.detail-series {
  margin: 0 0 8px;
  color: var(--kvaliti-blue);
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.86rem;
}

.detail-title {
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  letter-spacing: -0.025em;
  margin-bottom: 25px;
  font-weight: 500;
  color: #292929;
}

.credits,
.metadata {
  margin: 0;
  display: grid;
}

.credits {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 15px 0;
}

.credits div,
.metadata div {
  display: grid;
  grid-template-columns: 125px 1fr;
  gap: 16px;
  padding: 7px 0;
}

.credits dt,
.metadata dt {
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  color: #3d3d3d;
}

.credits dd,
.metadata dd {
  margin: 0;
}

.description {
  margin-top: 30px;
  font-size: 1.08rem;
}

.description p { margin: 0 0 1.05em; }

.metadata-card {
  margin-top: 30px;
  padding: 20px 22px;
  border-left: 7px solid var(--kvaliti-yellow);
  border-radius: 0 14px 14px 0;
  background: var(--soft);
}

.metadata-card h3 {
  margin: 0 0 7px;
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 500;
  color: #333;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 34px max(28px, calc((100vw - var(--max-width)) / 2 + 28px));
  background: #181818;
  color: #fff;
  font-size: 0.94rem;
}

.site-footer a { color: inherit; }

@media (max-width: 1000px) {
  .book-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cover-link { height: 340px; }
  .detail-layout { gap: 38px; }
}

@media (max-width: 760px) {
  .header-inner { padding: 22px 20px 18px; }
  .slogan { grid-template-columns: repeat(2, 1fr); }

  main { padding: 40px 20px 58px; }
  .catalog-heading { grid-template-columns: 1fr; gap: 24px; }
  .book-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 14px; }
  .cover-link { height: 300px; padding: 16px 12px; }
  .card-body { padding: 14px; }

  .detail-layout { grid-template-columns: 1fr; gap: 34px; }
  .detail-cover { position: static; max-width: 480px; margin: 0 auto; }
  .credits div, .metadata div { grid-template-columns: 110px 1fr; }

  .site-footer { padding: 30px 20px; }
}

@media (max-width: 480px) {
  .book-grid { grid-template-columns: 1fr; }
  .cover-link { height: 430px; }
  .slogan span { padding: 10px 5px; }
  .credits div, .metadata div { grid-template-columns: 1fr; gap: 0; }
  .credits dt, .metadata dt { margin-top: 4px; }
  .site-footer { flex-direction: column; }
}

.site-footer strong { font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif; font-weight: 500; }


/* ===== Sarjanäkymä ===== */
.series-view {
  max-width: 1180px;
  margin: 0 auto;
}

.series-header {
  max-width: 780px;
  margin-bottom: 34px;
}

.series-header h1 {
  margin-bottom: 14px;
}

.series-intro {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 28px 20px;
  align-items: start;
}

.series-book {
  min-width: 0;
}

.series-cover {
  display: block;
  height: 310px;
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 5px 20px rgba(0,0,0,.045);
}

a.series-cover {
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

a.series-cover:hover,
a.series-cover:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: #d8d1c6;
  outline: none;
}

.series-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 8px 9px rgba(0,0,0,.12));
}

.series-book-title {
  margin: 10px 3px 0;
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-size: .94rem;
  font-weight: 500;
  line-height: 1.18;
  color: #373737;
}

.series-book-title a {
  text-decoration: none;
}

.series-book-title a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.series-year {
  margin: 4px 3px 0;
  color: var(--muted);
  font-size: .84rem;
}

.series-book--archive .series-cover {
  box-shadow: none;
}

.series-book--archive .series-cover img {
  filter: drop-shadow(0 6px 7px rgba(0,0,0,.10));
}

.series-note {
  margin-top: 34px;
  padding: 14px 17px;
  border-radius: 12px;
  background: var(--soft);
  color: var(--muted);
  font-size: .94rem;
}

.series-link-row {
  margin: -8px 0 24px;
}

.series-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--kvaliti-blue);
  font-family: "Fredoka", "Arial Rounded MT Bold", Arial, sans-serif;
  font-weight: 500;
  text-decoration: none;
}

.series-link:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.card-series a {
  color: inherit;
  text-decoration: none;
}

.card-series a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

@media (max-width: 1080px) {
  .series-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .series-cover { height: 300px; }
}

@media (max-width: 820px) {
  .series-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .series-cover { height: 290px; }
}

@media (max-width: 600px) {
  .series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 14px; }
  .series-cover { height: 280px; padding: 14px 10px; }
}

@media (max-width: 390px) {
  .series-grid { grid-template-columns: 1fr 1fr; }
  .series-cover { height: 245px; }
}