/* QuantUI landing page — scoped inside MkDocs Material content area */

.quantui-landing {
  --quantui-max: 1160px;
  --quantui-narrow: 780px;

  /* Theme-aware tokens — default palette is Material "default" (light) */
  --quantui-hero-bg:
    radial-gradient(ellipse 80% 60% at 72% 38%, rgba(8, 145, 178, 0.12) 0%, transparent 58%),
    radial-gradient(ellipse 60% 70% at 16% 68%, rgba(37, 99, 235, 0.14) 0%, transparent 54%),
    linear-gradient(
      165deg,
      #eef2ff 0%,
      #f8fafc 42%,
      var(--md-default-bg-color, #ffffff) 100%
    );
  --quantui-hero-title: var(--md-default-fg-color, #0f172a);
  --quantui-hero-subtitle: var(--md-default-fg-color--light, #475569);
  --quantui-hero-stat: var(--md-default-fg-color--light, #64748b);
  --quantui-hero-sep: var(--md-default-fg-color--lighter, #94a3b8);
  --quantui-hero-link: #2563eb;
  --quantui-hero-link-hover: #1d4ed8;
  --quantui-pill-bg: rgba(37, 99, 235, 0.1);
  --quantui-pill-border: rgba(37, 99, 235, 0.28);
  --quantui-pill-fg: #1d4ed8;
  --quantui-pill-teal-bg: rgba(8, 145, 178, 0.1);
  --quantui-pill-teal-border: rgba(8, 145, 178, 0.28);
  --quantui-pill-teal-fg: #0e7490;
  --quantui-outline-fg: var(--md-default-fg-color, #0f172a);
  --quantui-outline-border: rgba(15, 23, 42, 0.18);
  --quantui-outline-hover-bg: rgba(37, 99, 235, 0.06);
  --quantui-outline-hover-border: rgba(37, 99, 235, 0.35);

  color: var(--md-default-fg-color, #334155);
  line-height: 1.6;
  background: var(--md-default-bg-color, #ffffff);
}

[data-md-color-scheme="slate"] .quantui-landing {
  --quantui-hero-bg:
    radial-gradient(ellipse 75% 55% at 72% 42%, rgba(8, 145, 178, 0.13) 0%, transparent 58%),
    radial-gradient(ellipse 55% 75% at 18% 62%, rgba(37, 99, 235, 0.15) 0%, transparent 52%),
    linear-gradient(
      158deg,
      #0f172a 0%,
      #111827 55%,
      var(--md-default-bg-color, #1e2129) 100%
    );
  --quantui-hero-title: #f8fafc;
  --quantui-hero-subtitle: #94a3b8;
  --quantui-hero-stat: #64748b;
  --quantui-hero-sep: #334155;
  --quantui-hero-link: #93c5fd;
  --quantui-hero-link-hover: #bfdbfe;
  --quantui-pill-bg: rgba(37, 99, 235, 0.15);
  --quantui-pill-border: rgba(37, 99, 235, 0.35);
  --quantui-pill-fg: #93c5fd;
  --quantui-pill-teal-bg: rgba(8, 145, 178, 0.14);
  --quantui-pill-teal-border: rgba(8, 145, 178, 0.35);
  --quantui-pill-teal-fg: #67e8f9;
  --quantui-outline-fg: #f8fafc;
  --quantui-outline-border: rgba(248, 250, 252, 0.28);
  --quantui-outline-hover-bg: rgba(248, 250, 252, 0.07);
  --quantui-outline-hover-border: rgba(248, 250, 252, 0.55);
}

.quantui-landing a {
  color: inherit;
}

.quantui-landing img,
.quantui-landing svg {
  display: block;
  max-width: 100%;
}

/* Break out of Material article padding for full-bleed sections */
.quantui-landing .quantui-bleed {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.quantui-landing .container {
  max-width: var(--quantui-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.quantui-landing .container--narrow {
  max-width: var(--quantui-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hide the auto-generated page title on the home landing */
.md-typeset .quantui-landing + h1,
.md-content__inner > h1:first-child {
  display: none;
}

/* ── Buttons ────────────────────────────────────────────────────────── */
.quantui-landing .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  transition: all 0.18s ease;
  cursor: pointer;
  white-space: nowrap;
}

.quantui-landing .btn--primary {
  background: #2563eb;
  color: #ffffff !important;
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.35);
}

.quantui-landing .btn--primary:hover {
  background: #1d4ed8;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.5);
  transform: translateY(-1px);
}

.quantui-landing .btn--outline {
  background: transparent;
  color: var(--quantui-outline-fg) !important;
  border-color: var(--quantui-outline-border);
}

.quantui-landing .btn--outline:hover {
  background: var(--quantui-outline-hover-bg);
  border-color: var(--quantui-outline-hover-border);
}

/* ── Pills ─────────────────────────────────────────────────────────── */
.quantui-landing .pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--quantui-pill-bg);
  border: 1px solid var(--quantui-pill-border);
  color: var(--quantui-pill-fg);
  text-decoration: none;
}

.quantui-landing .pill--teal {
  background: var(--quantui-pill-teal-bg);
  border-color: var(--quantui-pill-teal-border);
  color: var(--quantui-pill-teal-fg);
}

/* ── Hero ─────────────────────────────────────────────────────────── */
.quantui-landing .hero {
  position: relative;
  background: transparent;
  padding: 4rem 0 4.5rem;
  overflow: hidden;
  isolation: isolate;
}

/* Gradient sits behind content and fades to transparent at the edges so the
   full-bleed hero does not show a hard rectangular cutoff against the page. */
.quantui-landing .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--quantui-hero-bg);
  pointer-events: none;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, #000 10%, #000 90%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 8%, #000 92%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0%, #000 10%, #000 90%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-composite: intersect;
}

.quantui-landing .hero > .container {
  position: relative;
  z-index: 1;
}

.quantui-landing .hero__inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3.5rem;
  align-items: center;
}

.quantui-landing .hero__eyebrow {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.quantui-landing .hero__title {
  font-size: clamp(2.25rem, 5vw, 3.125rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--quantui-hero-title);
  margin: 0 0 1.25rem;
  border: none;
}

.quantui-landing .hero__subtitle {
  font-size: 1.125rem;
  color: var(--quantui-hero-subtitle);
  line-height: 1.65;
  max-width: 520px;
  margin: 0 0 2rem;
}

.quantui-landing .hero__actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.quantui-landing .hero__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.quantui-landing .hero__stat {
  font-size: 0.8125rem;
  color: var(--quantui-hero-stat);
  font-weight: 500;
}

.quantui-landing .hero__sep {
  color: var(--quantui-hero-sep);
}

.quantui-landing .hero__link {
  color: var(--quantui-hero-link);
  text-decoration: underline;
}

.quantui-landing .hero__link:hover {
  color: var(--quantui-hero-link-hover);
}

.quantui-landing .hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

@media (max-width: 768px) {
  .quantui-landing .hero__inner {
    grid-template-columns: 1fr;
  }

  .quantui-landing .hero__visual {
    display: none;
  }
}

/* Animated atom SVG */
.quantui-landing .atom-svg {
  width: 260px;
  height: 260px;
}

.quantui-landing .ring {
  transform-origin: 140px 140px;
}

.quantui-landing .ring--1 {
  animation: quantui-spin1 9s linear infinite;
}

.quantui-landing .ring--2 {
  animation: quantui-spin2 13s linear infinite reverse;
  transform: rotate(60deg);
}

.quantui-landing .ring--3 {
  animation: quantui-spin3 17s linear infinite;
  transform: rotate(120deg);
}

@keyframes quantui-spin1 {
  to {
    transform: rotate(360deg);
  }
}

@keyframes quantui-spin2 {
  to {
    transform: rotate(-300deg);
  }
}

@keyframes quantui-spin3 {
  to {
    transform: rotate(480deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .quantui-landing .ring {
    animation-play-state: paused;
  }
}

/* ── Sections ─────────────────────────────────────────────────────── */
.quantui-landing .section {
  padding: 4rem 0;
  background: var(--md-default-bg-color, #ffffff);
}

.quantui-landing .section--tinted {
  background: var(--md-code-bg-color, #f8fafc);
  border-top: 1px solid var(--md-default-fg-color--lightest, #e2e8f0);
  border-bottom: 1px solid var(--md-default-fg-color--lightest, #e2e8f0);
}

[data-md-color-scheme="slate"] .quantui-landing .section--tinted {
  background: var(--md-code-bg-color, #1e293b);
  border-top-color: var(--md-default-fg-color--lightest, rgba(255, 255, 255, 0.08));
  border-bottom-color: var(--md-default-fg-color--lightest, rgba(255, 255, 255, 0.08));
}

.quantui-landing .section__title {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  color: var(--md-default-fg-color, #0f172a);
  text-align: center;
  margin: 0 0 0.6rem;
  letter-spacing: -0.025em;
  border: none;
}

.quantui-landing .section__subtitle {
  font-size: 1.0625rem;
  color: var(--md-default-fg-color--light, #64748b);
  text-align: center;
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}

.quantui-landing .section__cta {
  text-align: center;
  margin-top: 2rem;
}

/* ── Feature cards ────────────────────────────────────────────────── */
.quantui-landing .features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .quantui-landing .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .quantui-landing .features-grid {
    grid-template-columns: 1fr;
  }
}

.quantui-landing .card {
  background: var(--md-default-bg-color, #ffffff);
  border-radius: 14px;
  border: 1px solid var(--md-default-fg-color--lightest, #e2e8f0);
  padding: 1.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 4px 16px rgba(0, 0, 0, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quantui-landing .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.07), 0 14px 36px rgba(37, 99, 235, 0.15);
}

.quantui-landing .feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(8, 145, 178, 0.1));
  border: 1px solid rgba(37, 99, 235, 0.12);
}

.quantui-landing .feature-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--md-default-fg-color, #0f172a);
  margin-bottom: 0.5rem;
  letter-spacing: -0.015em;
}

.quantui-landing .feature-card__body {
  font-size: 0.9375rem;
  color: var(--md-default-fg-color--light, #475569);
  line-height: 1.65;
  margin: 0;
}

.quantui-landing .inline-code {
  font-family: var(--md-code-font, monospace);
  font-size: 0.8rem;
  background: var(--md-code-bg-color, #f1f5f9);
  border: 1px solid var(--md-default-fg-color--lightest, #e2e8f0);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
}

/* ── Gallery ──────────────────────────────────────────────────────── */
.quantui-landing .gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

@media (max-width: 720px) {
  .quantui-landing .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.quantui-landing .gallery-figure {
  margin: 0;
  background: var(--md-default-bg-color, #ffffff);
  border: 1px solid var(--md-default-fg-color--lightest, #e2e8f0);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 4px 16px rgba(0, 0, 0, 0.07);
  display: flex;
  flex-direction: column;
}

.quantui-landing .gallery-figure img,
.quantui-landing .gallery-figure iframe {
  width: 100%;
  display: block;
  background: var(--md-default-bg-color, #ffffff);
  border: 0;
}

.quantui-landing .gallery-figure iframe {
  height: 400px;
}

.quantui-landing .gallery-figure figcaption {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--md-default-fg-color--lightest, #eef2f7);
}

.quantui-landing .gallery-figure figcaption strong {
  display: block;
  color: var(--md-default-fg-color, #0f172a);
  font-weight: 650;
}

.quantui-landing .gallery-figure figcaption span {
  display: block;
  color: var(--md-default-fg-color--light, #64748b);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.quantui-landing .gallery-figure figcaption a {
  color: #2563eb;
  font-weight: 600;
  text-decoration: none;
}

.quantui-landing .gallery-figure figcaption a:hover {
  text-decoration: underline;
}

.quantui-landing .gallery-badge {
  color: #2563eb;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Quick-start strip ────────────────────────────────────────────── */
.quantui-landing .quickstart {
  text-align: center;
  padding: 3rem 0;
  background: var(--md-default-bg-color, #ffffff);
}

.quantui-landing .quickstart__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  border: none;
}

.quantui-landing .quickstart__text {
  color: var(--md-default-fg-color--light, #64748b);
  margin: 0 0 1.5rem;
}

.quantui-landing .quickstart .btn--primary {
  color: #ffffff !important;
}

[data-md-color-scheme="slate"] .quantui-landing .quickstart .btn--primary {
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.4);
}