:root {
  --bg: #061019;
  --bg2: #0b1721;
  --panel: #111b23;
  --gold: #d7a84f;
  --gold2: #f1d38a;
  --text: #f6f0e4;
  --muted: #c5cdd3;
  --line: rgba(215,168,79,.24);
  --container: 1180px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(31,144,201,.12), transparent 30%),
    linear-gradient(180deg, #07111a, #04090d);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.65;
}

body.modal-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(4,11,17,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  color: var(--gold2);
  font: 700 1rem Cinzel, serif;
  letter-spacing: .12em;
}

.brand span {
  color: #49b8ef;
  text-shadow: 0 0 14px #159bdc;
}

.nav-links {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav-links a {
  color: var(--muted);
  font-size: .88rem;
}

.nav-links a:hover,
.nav-links a:focus-visible { color: var(--gold2); }

.hero {
  padding: 88px 0 58px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold2);
  font: 700 .76rem Cinzel, serif;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin-top: 0;
  color: var(--text);
  font-family: Cinzel, serif;
  line-height: 1.16;
}

h1 {
  max-width: 860px;
  margin-bottom: 18px;
  font-size: clamp(2.7rem, 6vw, 5.5rem);
}

h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: 1.15rem; }

.lead {
  max-width: 820px;
  color: #d5dde2;
  font-size: 1.08rem;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 0;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--gold2), var(--gold));
  color: #07111a;
  font: 700 .84rem Cinzel, serif;
  cursor: pointer;
  transition: transform .2s ease, filter .2s ease;
}

.button:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.button.ghost {
  color: var(--text);
  background: rgba(4,12,18,.55);
  border: 1px solid rgba(255,255,255,.22);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.section { padding: 70px 0 100px; }

.panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(18,27,35,.98), rgba(8,15,21,.98));
  box-shadow: 0 28px 80px rgba(0,0,0,.32);
}

.manual-grid {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 34px;
  padding: 34px;
}

.manual-cover {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border-radius: 16px;
  background:
    linear-gradient(0deg, rgba(3,9,14,.76), rgba(3,9,14,.08)),
    url("../docs/manual-oficial-tahedra-r1.pdf");
}

.manual-cover-fallback {
  height: 100%;
  min-height: 500px;
  display: grid;
  place-items: center;
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(215,168,79,.3);
  border-radius: 16px;
  background:
    radial-gradient(circle at center, rgba(215,168,79,.13), transparent 55%),
    #07111a;
}

.manual-cover-fallback strong {
  color: var(--gold2);
  font: 700 2rem Cinzel, serif;
}

.manual-details p,
.manual-details li { color: var(--muted); }

.manual-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 26px 0;
}

.manual-meta div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,.025);
}

.manual-meta span {
  display: block;
  color: var(--muted);
  font-size: .78rem;
}

.manual-meta strong {
  display: block;
  margin-top: 4px;
  color: var(--gold2);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 20px;
  padding-left: 20px;
}

.notice {
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  background: rgba(215,168,79,.08);
  color: var(--muted);
}

.gallery-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2fr;
  gap: 18px;
  align-items: center;
  margin-bottom: 30px;
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  color: var(--text);
  background: #0a141c;
  border: 1px solid var(--line);
  border-radius: 11px;
  outline: none;
}

.search-input:focus {
  border-color: rgba(241,211,138,.65);
  box-shadow: 0 0 0 4px rgba(215,168,79,.08);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  justify-content: flex-end;
}

.filter-button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,.025);
  cursor: pointer;
}

.filter-button.active,
.filter-button:hover {
  color: #07111a;
  background: var(--gold2);
  border-color: var(--gold2);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.card-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(18,27,35,.98), rgba(8,15,21,.98));
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease;
}

.card-item:hover {
  transform: translateY(-5px);
  border-color: rgba(241,211,138,.55);
}

.card-item img {
  width: 100%;
  display: block;
  border-radius: 10px;
  aspect-ratio: 3 / 4.15;
  object-fit: contain;
  background: #000;
}

.card-info {
  padding: 14px 4px 2px;
}

.card-info h3 {
  margin-bottom: 5px;
  font-size: .98rem;
}

.card-info p {
  margin: 0;
  color: var(--gold2);
  font-size: .78rem;
}

.empty-state {
  display: none;
  padding: 40px;
  text-align: center;
  color: var(--muted);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(0,0,0,.88);
  backdrop-filter: blur(8px);
}

.modal.open { display: grid; }

.modal-dialog {
  position: relative;
  width: min(100%, 760px);
  max-height: calc(100vh - 48px);
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #07111a;
  box-shadow: 0 35px 100px rgba(0,0,0,.7);
}

.modal-image-wrap {
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: 18px;
}

.modal-image {
  max-width: 100%;
  max-height: calc(100vh - 155px);
  object-fit: contain;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
}

.modal-title {
  margin: 0;
  font: 700 1rem Cinzel, serif;
  color: var(--text);
}

.modal-category {
  color: var(--gold2);
  font-size: .8rem;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  color: #fff;
  background: rgba(0,0,0,.65);
  cursor: pointer;
}

.site-footer {
  padding: 38px 0;
  border-top: 1px solid var(--line);
  background: #040a0f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: end;
}

.footer-grid p,
.footer-links a {
  color: var(--muted);
  font-size: .84rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  justify-content: flex-end;
}

.footer-links a:hover { color: var(--gold2); }

@media (max-width: 980px) {
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .manual-grid { grid-template-columns: 1fr; }
  .manual-cover-fallback { min-height: 340px; }
}

@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .nav-links { margin-left: 0; }
  .gallery-toolbar { grid-template-columns: 1fr; }
  .filters { justify-content: flex-start; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .manual-meta { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .cards-grid { gap: 12px; }
  .card-item { padding: 8px; }
  .card-info h3 { font-size: .84rem; }
  .manual-grid { padding: 22px; }
}