:root {
  --color-ink: #0f1115;
  --color-night: #171c23;
  --color-slate: #222a33;
  --color-border: #343f4b;
  --color-card-border: #2a3644;
  --color-mist: #aeb7c2;
  --color-muted: #707b87;
  --color-white: #f2f4f6;
  --color-blue: #32c7ff;
  --color-blue-soft: #58d7ff;
  --color-green: #4d7a5c;
  --color-ember: #ff9e3d;
  --color-danger: #d94141;
  --font-display: "Cinzel", Georgia, serif;
  --font-body: "Inter", Arial, sans-serif;
  --border-subtle: var(--color-border);
  --panel-bg: rgba(23, 28, 35, 0.92);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  background: var(--color-ink);
  color: var(--color-mist);
  font-family: var(--font-body);
  line-height: 1.7;
}

h1,
h2,
h3,
.navbar-brand {
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-header {
  background: linear-gradient(180deg, rgba(15, 17, 21, 0.96), rgba(15, 17, 21, 0.42));
  border-bottom: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(15, 17, 21, 0.96);
  border-color: var(--border-subtle);
  backdrop-filter: blur(12px);
}

.navbar {
  min-height: 86px;
  padding-block: 0.4rem;
}

.navbar-brand {
  align-items: center;
  display: inline-flex;
  gap: 0.75rem;
  text-transform: uppercase;
}

.brand-emblem {
  display: grid;
  flex: 0 0 auto;
  height: 4.75rem;
  isolation: isolate;
  place-items: center;
  position: relative;
  width: 4.75rem;
}

.brand-emblem::before {
  animation: system-ring-spin 3.2s linear infinite;
  background: conic-gradient(
    from 0deg,
    transparent 0 18%,
    rgba(50, 199, 255, 0.25) 26%,
    var(--color-blue) 38%,
    var(--color-blue-soft) 43%,
    transparent 52% 72%,
    rgba(50, 199, 255, 0.75) 84%,
    transparent 94%
  );
  border-radius: 50%;
  content: "";
  filter: drop-shadow(0 0 6px rgba(50, 199, 255, 0.7));
  inset: 0.15rem;
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  position: absolute;
  z-index: -1;
}

.brand-emblem::after {
  animation: system-ring-pulse 2.4s ease-in-out infinite;
  border: 1px solid rgba(50, 199, 255, 0.2);
  border-radius: 50%;
  box-shadow: inset 0 0 10px rgba(50, 199, 255, 0.08), 0 0 12px rgba(50, 199, 255, 0.12);
  content: "";
  inset: 0.42rem;
  position: absolute;
  z-index: -1;
}

.brand-logo {
  filter: drop-shadow(0 0 10px rgba(217, 65, 65, 0.28));
  height: 100%;
  object-fit: contain;
  transition: filter 180ms ease, transform 180ms ease;
  width: 100%;
}

.navbar-brand:hover .brand-logo,
.navbar-brand:focus .brand-logo {
  filter: drop-shadow(0 0 14px rgba(217, 65, 65, 0.48));
  transform: scale(1.03);
}

@keyframes system-ring-spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes system-ring-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.98);
  }

  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

.brand-name {
  font-size: clamp(0.72rem, 2vw, 0.95rem);
  letter-spacing: 0.08em;
}

.nav-link {
  color: var(--color-mist);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-left: 1.25rem;
  padding-inline: 0 !important;
  position: relative;
  text-transform: uppercase;
}

.nav-link::after {
  background: var(--color-green);
  bottom: 0;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
  width: 100%;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link:focus::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  aspect-ratio: 3 / 2;
  background-color: var(--color-night);
  background-image: url("../images/site/hero-2.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-top: 50px;
  overflow: hidden;
  position: relative;
}

.hero-shade {
  background:
    linear-gradient(180deg, rgba(8, 12, 16, 0.22) 35%, rgba(8, 12, 16, 0.68) 100%),
    linear-gradient(90deg, rgba(8, 12, 16, 0.32), transparent 35%, transparent 70%, rgba(8, 12, 16, 0.3));
  inset: 0;
  position: absolute;
  z-index: 2;
}

.section-padding {
  padding-block: clamp(5rem, 9vw, 8rem);
}

.books-section {
  background:
    radial-gradient(circle at 50% 10%, rgba(77, 122, 92, 0.1), transparent 32rem),
    var(--color-ink);
}

.section-heading {
  margin-bottom: clamp(3rem, 6vw, 5rem);
  max-width: 720px;
}

.section-heading h1,
.section-heading h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.1rem;
  text-transform: uppercase;
}

.section-heading > p:last-child {
  color: var(--color-mist);
  margin-inline: auto;
  max-width: 650px;
}

.eyebrow,
.book-number {
  color: var(--color-green);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.book-card {
  background: var(--color-night);
  border: 1px solid var(--color-card-border);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.28);
  overflow: hidden;
  transition: border-color 220ms ease, transform 220ms ease;
}

.book-card:hover {
  background: #233444;
  border-color: var(--color-border);
  transform: translateY(-8px);
}

.book-cover-wrap,
.placeholder-cover {
  aspect-ratio: 2 / 3;
  background: var(--color-night);
  overflow: hidden;
  position: relative;
}

.book-cover {
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
  width: 100%;
}

.book-card:hover .book-cover {
  transform: scale(1.025);
}

.book-cover-preview::after {
  background: linear-gradient(180deg, rgba(15, 17, 21, 0.08), rgba(15, 17, 21, 0.48));
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.book-cover-blurred {
  filter: blur(5px) brightness(0.58) saturate(0.72);
  transform: scale(1.045);
}

.book-card:hover .book-cover-blurred {
  transform: scale(1.07);
}

.book-progress-overlay {
  align-items: center;
  display: flex;
  flex-direction: column;
  inset: 0;
  justify-content: center;
  padding: 2rem;
  pointer-events: none;
  position: absolute;
  z-index: 1;
}

.progress-status {
  background: rgba(15, 17, 21, 0.88);
  border: 1px solid var(--color-ember);
  color: var(--color-ember);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  padding: 0.65rem 1rem;
  text-transform: uppercase;
}

.book-status {
  display: inline-block;
  margin-top: 0.5rem;
}

.progress-status::before {
  background: var(--color-ember);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 158, 61, 0.72);
  content: "";
  display: inline-block;
  height: 0.45rem;
  margin-right: 0.65rem;
  width: 0.45rem;
}

.planned-status {
  border-color: var(--color-green);
  color: #78a788;
  margin-top: 1.5rem;
}

.planned-status::before {
  background: var(--color-green);
  box-shadow: 0 0 10px rgba(77, 122, 92, 0.58);
}

.availability.planned-availability {
  color: #78a788;
}

.progress-track {
  background: rgba(15, 17, 21, 0.84);
  border: 1px solid rgba(255, 158, 61, 0.35);
  display: block;
  height: 0.35rem;
  margin-top: 0.9rem;
  overflow: hidden;
  width: min(100%, 12rem);
}

.progress-track > span {
  background: repeating-linear-gradient(
    120deg,
    var(--color-ember) 0,
    var(--color-ember) 0.45rem,
    #c8732d 0.45rem,
    #c8732d 0.9rem
  );
  display: block;
  height: 100%;
  opacity: 0.65;
  width: 30%;
}

.placeholder-cover {
  align-items: center;
  background:
    radial-gradient(ellipse at center, rgba(50, 199, 255, 0.2), transparent 70%),
    var(--color-night);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.book-emblem {
  width: 70%;
  height: auto;
  aspect-ratio: 1;
}

.mana-drop-badge {
  align-items: center;
  background: rgba(15, 17, 21, 0.88);
  border: 1px solid var(--color-blue);
  box-shadow: 0 0 16px rgba(50, 199, 255, 0.12);
  display: flex;
  gap: 0.65rem;
  margin-top: 1.5rem;
  max-width: calc(100% - 3.5rem);
  padding: 0.45rem 0.8rem;
}

.mana-lamp {
  width: 62%;
  height: 78%;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(50, 199, 255, 0.35));
}

.mana-lamp-caption {
  color: var(--color-blue-soft);
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-align: center;
  text-shadow: 0 0 12px rgba(50, 199, 255, 0.45);
  text-transform: uppercase;
}

.placeholder-cover::before {
  pointer-events: none;
  border: 1px solid rgba(50, 199, 255, 0.55);
  box-shadow: inset 0 0 24px rgba(50, 199, 255, 0.08);
  content: "";
  inset: 1.2rem;
  position: absolute;
}

.roman-numeral {
  color: var(--color-mist);
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 6.5rem);
  line-height: 1;
  text-shadow: 0 0 24px rgba(77, 122, 92, 0.42);
}

.placeholder-title {
  color: var(--color-muted);
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  margin-top: 1.25rem;
  text-transform: uppercase;
}

.book-details {
  padding: 1.75rem;
}

.book-details h2 {
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  margin-bottom: 0.75rem;
}

.book-details > p:not(.book-number) {
  color: var(--color-mist);
  font-size: 0.9rem;
  min-height: 3.1rem;
}

.availability,
.future-link {
  color: var(--color-ember);
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.book-link {
  align-items: center;
  border: 1px solid var(--color-blue);
  color: var(--color-blue);
  display: flex;
  font-size: 0.7rem;
  font-weight: 600;
  justify-content: space-between;
  letter-spacing: 0.1em;
  margin-top: 1.25rem;
  padding: 0.75rem 0.9rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.book-link:hover,
.book-link:focus {
  background: var(--color-blue);
  box-shadow: 0 0 20px rgba(50, 199, 255, 0.2);
  color: #08131c;
}

.world-section {
  background:
    linear-gradient(180deg, rgba(15, 17, 21, 0.94), rgba(15, 17, 21, 0.84)),
    url("../images/site/hero-2.png") center / cover fixed;
  border-top: 1px solid var(--border-subtle);
}

.world-card {
  align-items: flex-end;
  background-position: center;
  background-size: cover;
  border: 1px solid var(--color-card-border);
  display: flex;
  min-height: 460px;
  overflow: hidden;
  position: relative;
  text-decoration: none;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.world-card::before {
  background: linear-gradient(180deg, rgba(15, 17, 21, 0.08) 10%, rgba(15, 17, 21, 0.98) 92%);
  content: "";
  inset: 0;
  position: absolute;
}

.world-card::after {
  background: linear-gradient(180deg, transparent, rgba(50, 199, 255, 0.62), transparent);
  content: "";
  height: 5rem;
  left: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
  top: -5rem;
  transform: translateY(0);
}

.world-card:hover,
.world-card:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 30px rgba(50, 199, 255, 0.25);
  outline: 0;
  transform: translateY(-6px);
}

.world-card:hover::after,
.world-card:focus::after {
  animation: gabriel-scan 1.2s ease-out;
}

.characters-card {
  background-image: url("../images/characters/t-lvl-8.png");
  border-top-color: var(--color-green);
}

.bestiary-card {
  background-image: url("../images/bestiary/wampus-cat-lvl-6.png");
  border-top-color: var(--color-danger);
}

.world-card-content {
  padding: clamp(1.75rem, 5vw, 3rem);
  position: relative;
  z-index: 1;
}

.world-card-number {
  color: var(--color-green);
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
}

.world-card h3 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.world-card-content > p:not(.world-card-number) {
  color: var(--color-mist);
  max-width: 430px;
}

.bestiary-card .world-card-number,
.bestiary-card .future-link {
  color: var(--color-danger);
}

.world-card:hover .world-card-number,
.world-card:focus .world-card-number,
.world-card:hover .future-link,
.world-card:focus .future-link {
  color: var(--color-blue);
  text-shadow: 0 0 14px rgba(50, 199, 255, 0.45);
}

@keyframes gabriel-scan {
  0% {
    opacity: 0;
    transform: translateY(0);
  }

  18% {
    opacity: 0.72;
  }

  100% {
    opacity: 0;
    transform: translateY(520px);
  }
}

.site-footer {
  background: var(--color-ink);
  border-top: 1px solid var(--border-subtle);
  color: var(--color-muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding-block: 1.6rem;
}

@media (max-width: 991.98px) {
  .hero {
    aspect-ratio: auto;
    background-position: 76% center;
    background-size: cover;
    min-height: 72svh;
  }

  .navbar-collapse {
    background: rgba(15, 17, 21, 0.98);
    border: 1px solid var(--border-subtle);
    margin-top: 0.65rem;
    padding: 1rem 1.25rem;
  }

  .nav-link {
    margin-left: 0;
    padding-block: 0.7rem !important;
  }

  .nav-link::after {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .navbar {
    min-height: 76px;
  }

  .brand-emblem {
    height: 4rem;
    width: 4rem;
  }

  .hero {
    background-position: right center;
    min-height: 72svh;
  }

  .book-details > p:not(.book-number) {
    min-height: auto;
  }

  .world-card {
    min-height: 390px;
  }

  .world-section {
    background-attachment: scroll;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}