:root {
  --brand: #2563ff;
  --brand-soft: #7aa2ff;
  --accent: #2f72ff;
  --violet: #174f83;
  --ink: #0f172a;
  --ink-soft: #334155;
  --ink-mid: #526176;
  --line: rgba(15, 23, 42, 0.12);
  --paper: rgba(255, 255, 255, 0.88);
  --paper-strong: #ffffff;
  --font-display: "Outfit", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --max: 1180px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 255, 0.14), transparent 42%),
    radial-gradient(circle at top right, rgba(47, 114, 255, 0.12), transparent 40%),
    linear-gradient(180deg, #ffffff 0%, #f6f9ff 58%, #eaf1ff 100%);
  overflow-x: hidden;
}

/* ---------- Ambient background ---------- */

.library__bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.library__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 114, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 30%, transparent 85%);
  opacity: 0.55;
}

.library__mesh {
  position: absolute;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.55;
  animation: meshFloat 22s ease-in-out infinite alternate;
}

.library__mesh--a {
  width: 520px;
  height: 520px;
  top: -180px;
  left: -140px;
  background: radial-gradient(circle, rgba(37, 99, 255, 0.34), transparent 70%);
}
.library__mesh--b {
  width: 640px;
  height: 640px;
  top: -60px;
  right: -180px;
  background: radial-gradient(circle, rgba(47, 114, 255, 0.3), transparent 70%);
  animation-delay: -7s;
}
.library__mesh--c {
  width: 700px;
  height: 700px;
  bottom: -260px;
  left: 30%;
  background: radial-gradient(circle, rgba(23, 79, 131, 0.24), transparent 70%);
  animation-delay: -12s;
}

@keyframes meshFloat {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -40px) scale(1.06); }
}

/* ---------- Top bar ---------- */

.library__top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px clamp(20px, 4vw, 44px);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.library__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.library__logo {
  width: 38px;
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 18px rgba(37, 99, 255, 0.18));
}

.library__wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0;
  line-height: 1;
  color: transparent;
  background: linear-gradient(135deg, #0d1117 0%, #174f83 44%, #2563ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.library__omni {
  color: transparent;
  background: linear-gradient(135deg, var(--brand), var(--violet), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
}
.library__tek {
  color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--violet), #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
}

.library__tag {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

/* ---------- Hero ---------- */

.library__main {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 72px) clamp(20px, 4vw, 44px) 96px;
  animation: mainIn 600ms var(--ease) both;
}

@keyframes mainIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.library__hero {
  margin-bottom: 40px;
  max-width: 700px;
}

.library__eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 0 0 12px;
}

.library__hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 64px);
  letter-spacing: -0.05em;
  line-height: 0.98;
  margin: 0 0 16px;
  color: var(--ink);
  font-weight: 700;
}

.library__lead {
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
  max-width: 60ch;
}

/* ---------- Grid ---------- */

.library__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  position: static;
  background: none;
  mask: none;
  opacity: 1;
}

.deck-card {
  position: relative;
  display: grid;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 28px;
  box-shadow:
    0 20px 48px rgba(15, 23, 42, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
  overflow: hidden;
  isolation: isolate;
  color: inherit;
  text-decoration: none;
  transition:
    transform 360ms var(--ease),
    box-shadow 360ms var(--ease);
}

.deck-card--featured {
  grid-column: 1 / -1;
  grid-template-columns: 1.05fr 1fr;
  min-height: 360px;
}

.deck-card--featured:hover {
  transform: translateY(-3px);
  box-shadow:
    0 36px 80px rgba(15, 23, 42, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.deck-card__cover {
  position: relative;
  padding: 32px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(37, 99, 255, 0.4), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(47, 114, 255, 0.36), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(23, 79, 131, 0.34), transparent 60%),
    linear-gradient(135deg, #0b1d2b 0%, #1e293b 50%, #0f172a 100%);
  overflow: hidden;
  color: #fff;
  min-height: 320px;
}

.deck-card__cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, #000 20%, transparent 80%);
}

.deck-card__cover-particles {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.8), transparent 1px),
    radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.6), transparent 1px),
    radial-gradient(circle at 25% 80%, rgba(255, 255, 255, 0.7), transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.5), transparent 1px),
    radial-gradient(circle at 50% 55%, rgba(255, 255, 255, 0.4), transparent 1px);
  background-size: 200px 200px, 260px 260px, 180px 180px, 220px 220px, 150px 150px;
  opacity: 0.6;
  pointer-events: none;
}

.deck-card__logo {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 22px 44px rgba(47, 114, 255, 0.4));
  animation: logoFloat 9s ease-in-out infinite alternate;
}

.deck-card__logo--rnby {
  width: min(180px, 64%);
  height: auto;
  filter:
    drop-shadow(0 24px 38px rgba(13, 17, 23, 0.2))
    drop-shadow(0 0 30px rgba(37, 99, 255, 0.16));
}

@keyframes logoFloat {
  from { transform: translateY(0); }
  to   { transform: translateY(-8px); }
}

/* --- Interactive tri-mark — continuous spin on hover ----------- */

@keyframes bmSpinDown {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}
@keyframes bmSpinUp {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes bmSpinCore {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}

.brand-mark {
  overflow: visible;
  position: relative;
}

.brand-mark__tri {
  transform-origin: 50% 50%;
  transform-box: view-box;
  will-change: transform;
}

.brand-mark--mini {
  cursor: pointer;
  flex-shrink: 0;
}

/* Continuous layered spin on hover — three speeds, alternating dirs. */
.brand-mark--mini:hover .brand-mark__tri--down,
.deck-card--featured:hover .brand-mark__tri--down {
  animation: bmSpinDown 8s linear infinite;
}

.brand-mark--mini:hover .brand-mark__tri--up,
.deck-card--featured:hover .brand-mark__tri--up {
  animation: bmSpinUp 6s linear infinite;
}

.brand-mark--mini:hover .brand-mark__tri--core,
.deck-card--featured:hover .brand-mark__tri--core {
  animation: bmSpinCore 4s linear infinite;
}

/* Soft halo behind the featured card mark when its card is hovered. */
.deck-card--featured .deck-card__logo::after {
  content: "";
  position: absolute;
  inset: -22%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(47, 114, 255, 0.45), transparent 65%),
    radial-gradient(circle, rgba(37, 99, 255, 0.32), transparent 70%);
  filter: blur(28px);
  opacity: 0;
  transition: opacity 700ms cubic-bezier(0.2, 0.9, 0.25, 1);
  z-index: -1;
  pointer-events: none;
}

.deck-card--featured:hover .deck-card__logo::after {
  opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
  .brand-mark--mini:hover .brand-mark__tri,
  .deck-card--featured:hover .brand-mark__tri {
    animation: none;
  }
  .deck-card__logo {
    animation: none;
  }
}

.deck-card__badge {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 6px 12px;
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
  box-shadow: 0 8px 20px rgba(47, 114, 255, 0.35);
  z-index: 2;
}

.deck-card__badge--ghost {
  background: rgba(15, 23, 42, 0.08);
  color: var(--ink-soft);
  box-shadow: none;
  border: 1px solid rgba(15, 23, 42, 0.1);
}

.deck-card__cover-meta {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  z-index: 2;
  white-space: nowrap;
}

.deck-card__cover-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
}

.deck-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 36px;
}

.deck-card__eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
  margin: 0;
}

.deck-card--featured .deck-card__body h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 2.6vw, 38px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.deck-card__lead {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
  max-width: 50ch;
}

.deck-card__meta {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.deck-card__meta li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.meta-value {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: -0.02em;
}

.meta-label {
  font-family: var(--font-display);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.deck-card__cta {
  align-self: flex-start;
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--violet), var(--accent));
  background-size: 200% 200%;
  background-position: 0% 50%;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  box-shadow:
    0 12px 28px rgba(37, 99, 255, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: background-position 600ms var(--ease), box-shadow 260ms var(--ease), transform 260ms var(--ease);
}

.deck-card--featured:hover .deck-card__cta {
  background-position: 100% 50%;
  box-shadow: 0 18px 38px rgba(47, 114, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.deck-card--featured:hover .deck-card__cta svg {
  transform: translateX(4px);
}

.deck-card__cta svg {
  transition: transform 260ms var(--ease);
}

/* ---------- Placeholder cards ---------- */

.deck-card--placeholder {
  display: grid;
  grid-template-rows: 160px 1fr;
  gap: 0;
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(15, 23, 42, 0.14);
  box-shadow: none;
  min-height: 340px;
}

.deck-card--placeholder:hover {
  border-color: rgba(15, 23, 42, 0.22);
  background: rgba(255, 255, 255, 0.88);
}

.deck-card__cover--ghost {
  position: relative;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(148, 163, 184, 0.12), rgba(148, 163, 184, 0.06));
  color: var(--ink-soft);
  min-height: 0;
  border-bottom: 1px dashed rgba(15, 23, 42, 0.1);
}

.deck-card__cover--ghost::before {
  display: none;
}

.deck-card--placeholder .deck-card__body {
  padding: 22px 22px 26px;
  gap: 8px;
}

.deck-card--placeholder h3 {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.deck-card--placeholder p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}

/* ---------- Footer ---------- */

.library__footer {
  margin-top: 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 4px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .library__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .deck-card--featured {
    grid-template-columns: 1fr;
  }
  .deck-card--featured .deck-card__cover {
    min-height: 240px;
  }
}

@media (max-width: 640px) {
  .library__top {
    padding: 12px 18px;
  }
  .library__grid {
    grid-template-columns: 1fr;
  }
  .deck-card--featured {
    min-height: 0;
  }
  .deck-card__body {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .library__mesh,
  .deck-card__logo {
    animation: none;
  }
  .library__main {
    animation: none;
    opacity: 1;
    transform: none;
  }
}