/* ===========================================================================
   HydraMem docs — custom theme & animations (MkDocs Material)
   =========================================================================== */

:root {
  --hm-grad: linear-gradient(120deg, #7c4dff 0%, #b388ff 45%, #5e35b1 100%);
  --hm-grad-soft: linear-gradient(120deg, #7c4dff22, #b388ff22);
}

/* Brand accent tweaks ------------------------------------------------------ */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #5e35b1;
  --md-accent-fg-color: #7c4dff;
}
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #7c4dff;
  --md-accent-fg-color: #b388ff;
  --md-typeset-a-color: #b388ff;
}

/* ===========================================================================
   Hero
   =========================================================================== */
.hm-hero {
  position: relative;
  margin: -1.2rem -0.8rem 2.4rem;
  padding: 3.4rem 1.6rem 2.8rem;
  text-align: center;
  border-radius: 1.25rem;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(1200px 400px at 50% -10%, #b388ff55, transparent 60%),
    linear-gradient(135deg, #2a1a5e 0%, #4527a0 40%, #6d4bd8 100%);
  background-size: 200% 200%;
  animation: hm-shift 16s ease infinite, hm-fadeup 0.8s ease both;
  box-shadow: 0 24px 60px -28px #4527a0aa;
}
.hm-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, #ffffff14 0 1px, transparent 1px),
    radial-gradient(circle at 70% 60%, #ffffff10 0 1px, transparent 1px);
  background-size: 36px 36px, 48px 48px;
  pointer-events: none;
  opacity: 0.5;
}
.hm-hero > * { position: relative; z-index: 1; }

.hm-hero__badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.1rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 999px;
  color: #efe7ff;
  background: #ffffff1f;
  border: 1px solid #ffffff33;
  backdrop-filter: blur(6px);
}

.hm-hero__title {
  margin: 0.2rem auto 0.6rem;
  max-width: 16ch;
  font-weight: 800;
  line-height: 1.08;
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  color: #fff;
}
.hm-hero__title strong {
  background: linear-gradient(92deg, #d9bcff, #fff 60%, #b388ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hm-hero__subtitle {
  max-width: 60ch;
  margin: 0 auto 1.6rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: #e9e2ff;
}
.hm-hero__subtitle strong { color: #fff; }

.hm-hero__cta {
  display: flex;
  gap: 0.7rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
}
.hm-hero .md-button {
  border-radius: 0.7rem;
  font-weight: 600;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.hm-hero .md-button:hover { transform: translateY(-2px); }
.hm-hero .md-button--primary {
  background: #fff;
  color: #4527a0;
  border-color: #fff;
  box-shadow: 0 12px 30px -12px #000000aa;
}
.hm-hero .md-button:not(.md-button--primary) {
  color: #fff;
  border-color: #ffffff66;
}
.hm-hero .md-button:not(.md-button--primary):hover {
  background: #ffffff1a;
  border-color: #fff;
}

.hm-hero .highlight {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  border-radius: 0.8rem;
  box-shadow: 0 18px 50px -24px #000000cc;
}

/* ===========================================================================
   Stats strip (animated counters)
   =========================================================================== */
.hm-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0 auto 2.4rem;
}
.hm-stat {
  text-align: center;
  padding: 1.1rem 0.6rem;
  border-radius: 1rem;
  background: var(--hm-grad-soft);
  border: 1px solid var(--md-default-fg-color--lightest);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.hm-stat:hover { transform: translateY(-3px); box-shadow: 0 16px 40px -26px #7c4dff99; }
.hm-stat__num {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1;
  background: var(--hm-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hm-stat__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.4;
}
.hm-stat__label em { opacity: 0.75; font-size: 0.72rem; }

/* ===========================================================================
   Terminal card
   =========================================================================== */
.hm-terminal {
  max-width: 720px;
  margin: 0 auto 3rem;
  border-radius: 0.9rem;
  overflow: hidden;
  border: 1px solid var(--md-default-fg-color--lightest);
  box-shadow: 0 20px 60px -30px #7c4dff66;
}
.hm-terminal::before {
  content: "● ● ●";
  display: block;
  padding: 0.5rem 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: #ff6b6b;
  background: var(--md-code-bg-color);
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}
.hm-terminal .highlight { margin: 0; }
.hm-terminal pre { margin: 0; }

/* ===========================================================================
   Section titles + feature cards
   =========================================================================== */
.hm-section {
  text-align: center;
  margin-top: 3rem;
  font-weight: 800;
}
.md-typeset .grid.cards > :is(ul, ol) > li,
.md-typeset .grid.cards > .card {
  border-radius: 0.9rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.md-typeset .grid.cards > :is(ul, ol) > li:hover {
  transform: translateY(-4px);
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 18px 44px -26px #7c4dffaa;
}
.md-typeset .grid.cards .lg.middle { color: var(--md-accent-fg-color); }

/* ===========================================================================
   Final CTA band
   =========================================================================== */
.hm-cta {
  margin: 3.5rem -0.8rem 0;
  padding: 2.6rem 1.2rem;
  text-align: center;
  border-radius: 1.25rem;
  color: #fff;
  background: linear-gradient(135deg, #4527a0, #7c4dff);
  box-shadow: 0 24px 60px -30px #4527a0aa;
}
.hm-cta h3 { color: #fff; margin-top: 0; font-size: 1.5rem; }
.hm-cta .md-button { margin: 0.3rem; border-radius: 0.7rem; }
.hm-cta .md-button--primary { background: #fff; color: #4527a0; border-color: #fff; }
.hm-cta .md-button:not(.md-button--primary) { color: #fff; border-color: #ffffff66; }

/* ===========================================================================
   Scroll-reveal animation
   =========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ===========================================================================
   Keyframes
   =========================================================================== */
@keyframes hm-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes hm-fadeup {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}

/* ===========================================================================
   Responsive
   =========================================================================== */
@media screen and (max-width: 60em) {
  .hm-stats { grid-template-columns: repeat(2, 1fr); }
}
@media screen and (max-width: 30em) {
  .hm-stats { grid-template-columns: 1fr 1fr; }
  .hm-hero { padding: 2.4rem 1rem 2rem; }
}

/* Respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hm-hero { animation: none; }
}