/* ==========================================================================
   Duskpane — Premium wallpaper gallery theme
   Built on Bootstrap 5 · Dark luxury aesthetic
   ========================================================================== */

:root {
  --dk-bg: #0b0b12;
  --dk-bg-2: #111120;
  --dk-surface: #16162a;
  --dk-surface-2: #1c1c33;
  --dk-border: rgba(255, 255, 255, 0.08);
  --dk-text: #eceaf6;
  --dk-muted: #9b97b0;
  --dk-accent: #8b5cf6;
  --dk-accent-2: #ec4899;
  --dk-accent-3: #22d3ee;
  --dk-grad: linear-gradient(120deg, #8b5cf6 0%, #ec4899 55%, #f59e0b 100%);
  --dk-radius: 1rem;
  --dk-font-display: "Sora", system-ui, sans-serif;
  --dk-font-body: "Inter", system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--dk-bg);
  color: var(--dk-text);
  font-family: var(--dk-font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .hero-title, .section-title {
  font-family: var(--dk-font-display);
  color: var(--dk-text);
}

p { color: var(--dk-muted); }
strong { color: var(--dk-text); }

a { color: var(--dk-accent-3); text-decoration: none; }
a:hover { color: #67e8f9; }

::selection { background: rgba(139, 92, 246, 0.5); color: #fff; }

/* ------------------------------------------------------------------ nav */
.dk-nav {
  background: rgba(11, 11, 18, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--dk-border);
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.dk-nav .navbar-brand {
  font-family: var(--dk-font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-mark {
  display: inline-block;
  background: var(--dk-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: 0.15rem;
  font-size: 1.2em;
  vertical-align: -2px;
}

.dk-nav .nav-link {
  color: var(--dk-muted);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 0.5rem;
  padding: 0.45rem 0.85rem;
  transition: color 0.2s, background 0.2s;
}

.dk-nav .nav-link:hover { color: #fff; }
.dk-nav .nav-link.active { color: #fff; background: rgba(139, 92, 246, 0.16); }

/* ------------------------------------------------------------- buttons */
.btn-accent {
  background: var(--dk-grad);
  border: none;
  color: #fff;
  font-weight: 600;
  border-radius: 0.65rem;
  padding: 0.6rem 1.4rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.35);
}

.btn-accent:hover {
  color: #fff;
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 8px 32px rgba(236, 72, 153, 0.4);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--dk-border);
  color: var(--dk-text);
  font-weight: 600;
  border-radius: 0.65rem;
  padding: 0.6rem 1.4rem;
  transition: border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
  color: #fff;
  border-color: var(--dk-accent);
  background: rgba(139, 92, 246, 0.12);
}

.btn-dl {
  background: var(--dk-grad);
  border: none;
  color: #fff;
  font-weight: 600;
  border-radius: 0.6rem;
  width: 100%;
  padding: 0.55rem 1rem;
}

.btn-dl:hover { color: #fff; filter: brightness(1.1); }

.link-accent {
  background: var(--dk-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

/* ---------------------------------------------------------------- hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 3.5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 55% at 22% 8%, rgba(139, 92, 246, 0.28), transparent 60%),
    radial-gradient(ellipse 55% 50% at 82% 18%, rgba(236, 72, 153, 0.22), transparent 60%),
    radial-gradient(ellipse 50% 45% at 50% 110%, rgba(34, 211, 238, 0.14), transparent 60%),
    var(--dk-bg-2);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.7), transparent);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.7), transparent);
}

.hero-title {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: clamp(2.3rem, 5.5vw, 4rem);
  line-height: 1.08;
}

.grad-text {
  background: var(--dk-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--dk-muted);
  max-width: 640px;
  margin-inline: auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.75rem;
  flex-wrap: wrap;
}

.hero-stats .h4, .hero-stats strong {
  font-family: var(--dk-font-display);
  color: #fff;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dk-accent-3);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 2rem;
  padding: 0.35rem 0.95rem;
}

/* ------------------------------------------------------------ sections */
.section-title {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.alt-band { background: var(--dk-bg-2); }

.page-top {
  background:
    radial-gradient(ellipse 70% 90% at 50% -20%, rgba(139, 92, 246, 0.22), transparent 65%),
    var(--dk-bg-2);
  border-bottom: 1px solid var(--dk-border);
  padding: 3.5rem 0 2.5rem;
}

.dk-breadcrumb .breadcrumb-item a { color: var(--dk-muted); }
.dk-breadcrumb .breadcrumb-item.active { color: var(--dk-text); }
.dk-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: var(--dk-muted); }

/* ------------------------------------------------------- wallpaper card */
.wp-card {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  overflow: hidden;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s;
}

.wp-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(139, 92, 246, 0.25);
}

.wp-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  cursor: pointer;
}

.wp-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.wp-card:hover .wp-thumb img { transform: scale(1.06); }

.wp-res {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 2rem;
  letter-spacing: 0.04em;
}

.wp-cat {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dk-accent-3);
}

.wp-title {
  font-family: var(--dk-font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--dk-text);
  margin: 0.15rem 0 0.35rem;
}

.wp-meta {
  font-size: 0.8rem;
  color: var(--dk-muted);
}

.gallery-item { display: block; }

/* --------------------------------------------------------- filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  color: var(--dk-muted);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 2rem;
  padding: 0.45rem 1.1rem;
  transition: all 0.2s;
}

.filter-btn:hover { color: #fff; border-color: rgba(139, 92, 246, 0.5); }

.filter-btn.active {
  background: var(--dk-grad);
  border-color: transparent;
  color: #fff;
}

/* ------------------------------------------------------ category tiles */
.cat-tile {
  position: relative;
  display: block;
  border-radius: var(--dk-radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--dk-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cat-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.cat-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(5, 5, 12, 0.88) 100%);
}

.cat-tile:hover { transform: translateY(-5px); box-shadow: 0 16px 44px rgba(0,0,0,0.5); }
.cat-tile:hover img { transform: scale(1.07); }

.cat-tile-label {
  position: absolute;
  left: 1.1rem;
  bottom: 0.95rem;
  z-index: 2;
  font-family: var(--dk-font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
}

.cat-tile-count {
  position: absolute;
  right: 1.1rem;
  bottom: 1.05rem;
  z-index: 2;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  border-radius: 2rem;
  padding: 0.2rem 0.65rem;
}

.cat-card {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  overflow: hidden;
  height: 100%;
  transition: transform 0.25s, border-color 0.25s;
}

.cat-card:hover { transform: translateY(-5px); border-color: rgba(139, 92, 246, 0.45); }
.cat-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.cat-card-body { padding: 1.1rem 1.25rem 1.3rem; }

/* ------------------------------------------------------------- modal */
.dk-modal .modal-content {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  color: var(--dk-text);
}

.dk-modal .btn-close { filter: invert(1); }
.dk-modal img { border-radius: 0.6rem; width: 100%; }

/* ---------------------------------------------------- newsletter band */
.newsletter-band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 100% at 50% 0%, rgba(139, 92, 246, 0.3), transparent 65%),
    radial-gradient(ellipse 60% 80% at 85% 100%, rgba(236, 72, 153, 0.18), transparent 60%),
    var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: 1.4rem;
}

.newsletter-form .form-control {
  background: rgba(11, 11, 18, 0.75);
  border: 1px solid var(--dk-border);
  color: var(--dk-text);
  border-radius: 0.65rem;
  padding: 0.7rem 1rem;
}

.newsletter-form .form-control::placeholder { color: var(--dk-muted); }

.newsletter-form .form-control:focus {
  background: rgba(11, 11, 18, 0.9);
  border-color: var(--dk-accent);
  box-shadow: 0 0 0 0.2rem rgba(139, 92, 246, 0.2);
  color: var(--dk-text);
}

.newsletter-form .form-check-label { color: var(--dk-muted); font-size: 0.85rem; }
.newsletter-form .form-check-input { background-color: var(--dk-bg); border-color: var(--dk-border); }
.newsletter-form .form-check-input:checked { background-color: var(--dk-accent); border-color: var(--dk-accent); }

/* --------------------------------------------------------- forms misc */
.form-control, .form-select, textarea.form-control {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  color: var(--dk-text);
  border-radius: 0.65rem;
}

.form-control:focus, .form-select:focus {
  background: var(--dk-surface);
  border-color: var(--dk-accent);
  box-shadow: 0 0 0 0.2rem rgba(139, 92, 246, 0.2);
  color: var(--dk-text);
}

.form-label { color: var(--dk-text); font-weight: 500; }

.contact-box {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  padding: 1.75rem;
  height: 100%;
}

/* ------------------------------------------------------------ accordion */
.dk-accordion .accordion-item {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: 0.85rem !important;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.dk-accordion .accordion-button {
  background: var(--dk-surface);
  color: var(--dk-text);
  font-weight: 600;
  font-family: var(--dk-font-display);
  box-shadow: none;
}

.dk-accordion .accordion-button:not(.collapsed) {
  background: var(--dk-surface-2);
  color: #fff;
}

.dk-accordion .accordion-button::after { filter: invert(1) brightness(1.6); }
.dk-accordion .accordion-body { color: var(--dk-muted); }

/* ------------------------------------------------------------- blog */
.post-card {
  background: var(--dk-surface);
  border: 1px solid var(--dk-border);
  border-radius: var(--dk-radius);
  overflow: hidden;
  height: 100%;
  transition: transform 0.25s, border-color 0.25s;
}

.post-card:hover { transform: translateY(-5px); border-color: rgba(139, 92, 246, 0.45); }
.post-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.post-card-body { padding: 1.25rem 1.4rem 1.5rem; }

.post-title {
  font-family: var(--dk-font-display);
  font-weight: 600;
  font-size: 1.1rem;
}

.post-title a { color: var(--dk-text); }
.post-title a:hover { color: var(--dk-accent-3); }

.blog-post h2 { font-size: 1.5rem; margin-top: 2.25rem; }
.blog-post h3 { font-size: 1.2rem; margin-top: 1.75rem; }
.blog-post p, .blog-post li { color: var(--dk-muted); line-height: 1.75; }
.blog-post img { border-radius: var(--dk-radius); }
.blog-post ol li, .blog-post ul li { margin-bottom: 0.4rem; }

/* ------------------------------------------------------------- legal */
.legal-copy h2 { font-size: 1.35rem; margin-top: 2.25rem; }
.legal-copy h3 { font-size: 1.1rem; margin-top: 1.5rem; }
.legal-copy p, .legal-copy li { color: var(--dk-muted); line-height: 1.75; }

.legal-copy .table {
  --bs-table-bg: var(--dk-surface);
  --bs-table-color: var(--dk-text);
  --bs-table-border-color: var(--dk-border);
}

.seo-copy h2 { font-size: 1.4rem; }
.seo-copy p { line-height: 1.8; }

.check-list { list-style: none; padding-left: 0; }
.check-list li { padding-left: 1.75rem; position: relative; margin-bottom: 0.6rem; color: var(--dk-muted); }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--dk-accent-3);
  font-weight: 700;
}

/* ------------------------------------------------------------ footer */
.dk-footer {
  background: #08080f;
  border-top: 1px solid var(--dk-border);
  padding: 3.5rem 0 2rem;
}

.footer-brand {
  font-family: var(--dk-font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: #fff;
}

.footer-heading {
  font-family: var(--dk-font-display);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dk-text);
  margin-bottom: 1rem;
}

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.55rem; }
.footer-links a { color: var(--dk-muted); font-size: 0.92rem; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }

.footer-hr { border-color: var(--dk-border); opacity: 1; margin: 2.25rem 0 1.5rem; }

/* -------------------------------------------------------- cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 1080;
  max-width: 560px;
  margin-inline: auto;
  background: rgba(22, 22, 42, 0.97);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 1rem;
  padding: 1.25rem 1.4rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  display: none;
}

.cookie-banner.show { display: block; animation: cookieIn 0.35s ease; }

@keyframes cookieIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.cookie-banner p { font-size: 0.9rem; margin-bottom: 0.9rem; }

/* -------------------------------------------------------- stack preview */
.stack-preview {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--dk-border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.stack-preview img { width: 100%; display: block; }

/* ------------------------------------------------------------ utilities */
.text-muted, .text-body-secondary { color: var(--dk-muted) !important; }

img { max-width: 100%; }

@media (max-width: 575.98px) {
  .hero { padding: 3rem 0 2.5rem; }
  .hero-stats { gap: 1.5rem; }
}