/* PivCSS 演示页共享视觉 — 首页 / recipe-builder */

.pd {
  --pd-accent: var(--pvs-primary, #2563eb);
  --pd-accent-2: color-mix(in srgb, var(--pd-accent) 65%, #7c3aed);
  --pd-glow: color-mix(in srgb, var(--pd-accent) 24%, transparent);
  --pd-glow-2: color-mix(in srgb, var(--pd-accent-2) 16%, transparent);
  --pd-surface: var(--pvs-surface, #fff);
  --pd-muted: var(--pvs-muted-color, #64748b);
  --pd-border: var(--pvs-border-color, #e2e8f0);
}

/* ── Hero mesh + dot grid ── */
.pd-hero {
  position: relative;
  overflow: hidden;
}

.pd-hero__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, var(--pd-glow), transparent 55%),
    radial-gradient(ellipse 55% 50% at 92% 85%, var(--pd-glow-2), transparent 50%),
    linear-gradient(165deg, var(--pvs-surface-muted, #f8fafc) 0%, var(--pvs-body-bg, #fff) 55%, var(--pvs-body-bg, #fff) 100%);
}

.pd-hero__dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image: radial-gradient(circle, color-mix(in srgb, var(--pd-accent) 18%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
}

html[data-pvs-theme='dark'] .pd-hero__mesh {
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, var(--pd-glow), transparent 55%),
    radial-gradient(ellipse 55% 50% at 92% 85%, var(--pd-glow-2), transparent 50%),
    linear-gradient(165deg, var(--pvs-gray-900, #0f172a) 0%, var(--pvs-body-bg, #111827) 100%);
}

html[data-pvs-theme='dark'] .pd-hero__dots {
  opacity: 0.22;
}

.pd-hero__inner {
  position: relative;
  z-index: 1;
}

.pd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--pd-muted);
}

.pd-eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--pd-accent), transparent);
}

.pd-title {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.pd-title span,
.pd-title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--pd-accent) 0%, var(--pd-accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pd-lead {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.65;
  max-width: 34rem;
  color: var(--pd-muted);
}

.pd-lead strong {
  color: var(--pvs-body-color, #0f172a);
  font-weight: 600;
}

/* ── Stats ── */
.pd-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 30rem;
}

@media (max-width: 540px) {
  .pd-stats { grid-template-columns: repeat(2, 1fr); }
}

.pd-stat {
  padding: 0.875rem 1rem;
  background: color-mix(in srgb, var(--pvs-body-bg) 72%, transparent);
  border: 1px solid color-mix(in srgb, var(--pd-border) 90%, var(--pd-accent));
  backdrop-filter: blur(8px);
  transition: border-color 0.2s, transform 0.2s;
}

.pd-stat:hover {
  border-color: color-mix(in srgb, var(--pd-accent) 45%, var(--pd-border));
  transform: translateY(-2px);
}

.pd-stat__label {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pd-muted);
  margin-bottom: 0.25rem;
}

.pd-stat__value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.pd-stat__value small {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--pd-muted);
}

/* ── Section headers ── */
.pd-section {
  padding-block: 3.5rem;
}

.pd-section--tight {
  padding-block: 2rem;
}

.pd-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1.75rem;
}

.pd-section__kicker {
  margin: 0 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pd-accent);
}

.pd-section__title {
  margin: 0;
  font-size: 1.625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.pd-section__desc {
  margin: 0.35rem 0 0;
  font-size: 0.9375rem;
  color: var(--pd-muted);
  max-width: 28rem;
}

/* ── Bento grid ── */
.pd-bento {
  display: grid;
  gap: 0.875rem;
  grid-template-columns: repeat(12, 1fr);
}

.pd-bento__item {
  grid-column: span 12;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem 1.35rem 1.35rem;
  text-decoration: none;
  color: inherit;
  background: var(--pd-surface);
  border: 1px solid var(--pd-border);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  overflow: hidden;
}

.pd-bento__item::after {
  content: '→';
  position: absolute;
  right: 1.1rem;
  top: 1.15rem;
  font-size: 1rem;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s, transform 0.2s;
  color: var(--pd-accent);
}

.pd-bento__item:hover {
  border-color: color-mix(in srgb, var(--pd-accent) 42%, var(--pd-border));
  transform: translateY(-4px);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--pd-accent) 12%, transparent);
}

.pd-bento__item:hover::after {
  opacity: 1;
  transform: translateX(0);
}

@media (min-width: 640px) {
  .pd-bento__item { grid-column: span 6; }
}

@media (min-width: 960px) {
  .pd-bento__item { grid-column: span 4; }
  .pd-bento__item--wide { grid-column: span 8; }
  .pd-bento__item--hero { grid-column: span 6; }
}

.pd-bento__item--accent {
  background: linear-gradient(145deg, color-mix(in srgb, var(--pd-accent) 9%, var(--pd-surface)) 0%, var(--pd-surface) 100%);
  border-color: color-mix(in srgb, var(--pd-accent) 32%, var(--pd-border));
}

.pd-bento__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  font-size: 1.125rem;
  background: color-mix(in srgb, var(--pd-accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--pd-accent) 22%, transparent);
  margin-bottom: 0.15rem;
}

.pd-bento__kicker {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pd-accent);
}

.pd-bento__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0;
}

.pd-bento__desc {
  font-size: 0.8125rem;
  color: var(--pd-muted);
  line-height: 1.5;
  margin: 0;
}

/* ── Code strip ── */
.pd-code-strip {
  position: relative;
  border: 1px solid var(--pd-border);
  background: var(--pd-surface);
  box-shadow: 0 24px 48px color-mix(in srgb, var(--pd-accent) 8%, transparent);
}

.pd-code-strip__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--pd-border);
  background: var(--pvs-surface-muted, #f8fafc);
}

.pd-code-strip__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--pd-border);
}

.pd-code-strip__dot:nth-child(1) { background: #f87171; }
.pd-code-strip__dot:nth-child(2) { background: #fbbf24; }
.pd-code-strip__dot:nth-child(3) { background: #34d399; }

.pd-code-strip__label {
  margin-left: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--pd-muted);
}

.pd-code-strip__body {
  padding: 1rem 1.15rem;
}

.pd-code-strip__body pre {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.55;
}

/* ── Browser mock ── */
.pd-browser {
  position: relative;
  border: 1px solid var(--pd-border);
  background: var(--pd-surface);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--pd-accent) 6%, transparent),
    0 28px 60px color-mix(in srgb, var(--pd-accent) 14%, transparent);
  transform: perspective(900px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.35s ease;
}

.pd-browser:hover {
  transform: perspective(900px) rotateY(-1deg) rotateX(0deg);
}

.pd-browser__float {
  position: absolute;
  right: -1.25rem;
  bottom: -1.5rem;
  width: 58%;
  transform: rotate(-5deg);
  box-shadow: 0 16px 36px color-mix(in srgb, var(--pd-accent) 12%, transparent);
  z-index: 2;
}

@media (max-width: 991px) {
  .pd-browser { transform: none; }
  .pd-browser__float { display: none; }
}

/* ── Compare bars ── */
.pd-compare {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .pd-compare { grid-template-columns: 1fr 1fr; }
}

.pd-compare__card {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--pd-border);
  background: var(--pd-surface);
}

.pd-compare__card--accent {
  border-color: color-mix(in srgb, var(--pd-accent) 35%, var(--pd-border));
  background: linear-gradient(160deg, color-mix(in srgb, var(--pd-accent) 8%, var(--pd-surface)) 0%, var(--pd-surface) 100%);
}

.pd-compare__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.pd-compare__kb {
  font-size: 1.75rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--pd-accent);
}

.pd-compare__bar {
  height: 0.5rem;
  background: var(--pvs-surface-muted, #f1f5f9);
  border: 1px solid var(--pd-border);
  overflow: hidden;
}

.pd-compare__bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--pd-accent), var(--pd-accent-2));
}

/* ── Live cards ── */
.pd-live {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .pd-live { grid-template-columns: repeat(3, 1fr); }
}

.pd-live__card {
  height: 100%;
  border: 1px solid var(--pd-border);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pd-live__card:hover {
  border-color: color-mix(in srgb, var(--pd-accent) 35%, var(--pd-border));
  box-shadow: 0 12px 28px color-mix(in srgb, var(--pd-accent) 8%, transparent);
}

.pd-live__label {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pd-accent);
}

/* ── CTA band ── */
.pd-cta {
  position: relative;
  overflow: hidden;
  padding: 2rem 2.25rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--pd-accent) 16%, var(--pvs-surface-muted)) 0%, var(--pvs-surface-muted) 60%),
    radial-gradient(ellipse 80% 100% at 100% 0%, var(--pd-glow), transparent 55%);
  border: 1px solid color-mix(in srgb, var(--pd-accent) 28%, var(--pd-border));
}

.pd-cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

/* ── Pill marquee ── */
.pd-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pd-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--pd-muted);
  background: color-mix(in srgb, var(--pd-accent) 6%, var(--pd-surface));
  border: 1px solid color-mix(in srgb, var(--pd-accent) 18%, var(--pd-border));
}

/* ── Recipe builder shared hero ── */
.pd-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pd-steps li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem 0.45rem 0.55rem;
  font-size: 0.8125rem;
  color: var(--pd-muted);
  background: color-mix(in srgb, var(--pd-accent) 6%, var(--pd-surface));
  border: 1px solid color-mix(in srgb, var(--pd-accent) 16%, var(--pd-border));
}

.pd-steps li strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--pd-accent);
  background: color-mix(in srgb, var(--pd-accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--pd-accent) 28%, transparent);
}