/* BAND9AI Premium Engine — mobile-first, white, minimal */

.premium-engine {
  --pe-bg: #ffffff;
  --pe-bg-muted: #f7f7f8;
  --pe-text: #0a0a0a;
  --pe-text-muted: #52525b;
  --pe-border: rgba(10, 10, 10, 0.08);
  --pe-accent: #dc2626;
  --pe-ace-red: #dc2626;
  --pe-gold: #b8860b;
  --pe-radius: 16px;
  --pe-px: 16px;
  background: var(--pe-bg);
  color: var(--pe-text);
}

@media (min-width: 768px) {
  .premium-engine {
    --pe-px: 24px;
  }
}

.premium-engine .pe-container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: var(--pe-px);
  box-sizing: border-box;
}

.premium-engine .pe-kicker {
  margin: 0 0 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pe-text-muted);
}

.premium-engine .pe-h1 {
  margin: 0 0 20px;
  font-size: clamp(1.875rem, 8vw, 4.25rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--pe-text);
}

@media (min-width: 768px) {
  .premium-engine .pe-h1 {
    margin-bottom: 24px;
    line-height: 1.02;
  }
}

.premium-engine .pe-lead {
  margin: 0 0 24px;
  max-width: 34rem;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--pe-text-muted);
}

@media (min-width: 768px) {
  .premium-engine .pe-lead {
    margin-bottom: 32px;
    font-size: clamp(1rem, 1.6vw, 1.2rem);
  }
}

.premium-engine .pe-lead strong {
  color: var(--pe-text);
  font-weight: 600;
}

/* —— Scene 1: Hero (mobile-first) —— */
.premium-engine .pe-hero {
  padding: 48px 0 40px;
  background: var(--pe-bg);
  border-bottom: 1px solid var(--pe-border);
}

@media (min-width: 768px) {
  .premium-engine .pe-hero {
    padding: clamp(64px, 10vh, 120px) 0 clamp(48px, 8vh, 96px);
  }
}

.premium-engine .pe-hero-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: stretch;
}

@media (min-width: 960px) {
  .premium-engine .pe-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
  }
}

.premium-engine .pe-cta-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

@media (min-width: 520px) {
  .premium-engine .pe-cta-row {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    align-items: stretch;
  }
}

.premium-engine .pe-btn-primary,
.premium-engine .pe-btn-ace-red {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  line-height: 1.25;
  width: 100%;
  box-sizing: border-box;
  transition:
    background 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (min-width: 520px) {
  .premium-engine .pe-btn-primary,
  .premium-engine .pe-btn-ace-red {
    width: auto;
    min-width: 0;
    flex: 0 1 auto;
  }
}

.premium-engine .pe-btn-primary {
  background: var(--pe-text);
  color: #fff;
  border: 1px solid var(--pe-text);
  box-shadow: 0 4px 14px rgba(10, 10, 10, 0.2);
}

.premium-engine .pe-btn-primary:hover,
.premium-engine .pe-btn-primary:focus-visible {
  background: #fff;
  color: var(--pe-text);
  border-color: var(--pe-text);
  box-shadow: 0 8px 22px rgba(10, 10, 10, 0.22);
  transform: translateY(-2px);
}

.premium-engine .pe-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(10, 10, 10, 0.16);
}

.premium-engine .pe-btn-ace-red {
  background: var(--pe-ace-red);
  color: #fff;
  border: 1px solid var(--pe-ace-red);
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.32);
}

.premium-engine .pe-btn-ace-red:hover,
.premium-engine .pe-btn-ace-red:focus-visible {
  background: #b91c1c;
  border-color: #b91c1c;
  color: #fff;
  box-shadow: 0 10px 28px rgba(220, 38, 38, 0.42);
  transform: translateY(-2px);
}

.premium-engine .pe-btn-ace-red:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.28);
}

.premium-engine .pe-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.premium-engine .pe-hero-card-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 0;
}

.premium-engine .pe-hero-card-stage {
  width: min(260px, 72vw);
  aspect-ratio: 5 / 7;
  max-height: 380px;
}

@media (min-width: 480px) {
  .premium-engine .pe-hero-card-stage {
    width: min(280px, 68vw);
  }
}

@media (min-width: 960px) {
  .premium-engine .pe-hero-card-stage {
    width: min(300px, 100%);
  }
}

.premium-engine .pe-hero-card {
  width: 100%;
  height: 100%;
  position: relative;
  cursor: pointer;
  pointer-events: auto;
  user-select: none;
}

.premium-engine .pe-hero-card--ace-red .pe-ace-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--pe-border);
  box-shadow:
    0 8px 24px rgba(10, 10, 10, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  padding: 20px 16px;
  box-sizing: border-box;
  text-align: center;
  transition:
    box-shadow 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.premium-engine .pe-hero-card--ace-red:hover .pe-ace-face,
.premium-engine .pe-hero-card--ace-red:focus-visible .pe-ace-face {
  transform: translateY(-4px);
  border-color: rgba(220, 38, 38, 0.35);
  box-shadow:
    0 16px 40px rgba(220, 38, 38, 0.18),
    0 8px 24px rgba(10, 10, 10, 0.1),
    0 0 0 1px rgba(254, 226, 226, 0.9) inset;
}

.premium-engine .pe-ace-corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  color: var(--pe-ace-red);
  font-family: var(--landing-card-pip-font, "Times New Roman", Times, serif);
}

.premium-engine .pe-ace-corner--tl {
  top: 14px;
  left: 14px;
}

.premium-engine .pe-ace-corner--br {
  bottom: 14px;
  right: 14px;
  transform: rotate(180deg);
}

.premium-engine .pe-ace-rank {
  font-size: clamp(1.35rem, 4vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.premium-engine .pe-ace-suit {
  margin-top: 2px;
  font-size: clamp(1.1rem, 3.2vw, 1.35rem);
}

.premium-engine .pe-ace-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  max-width: 14rem;
  padding: 0 8px;
}

.premium-engine .pe-ace-label {
  margin: 0;
  font-size: clamp(0.72rem, 2.2vw, 0.82rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pe-text-muted);
}

.premium-engine .pe-ace-band {
  margin: 0;
  font-size: clamp(2.25rem, 8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--pe-ace-red);
}

.premium-engine .pe-ace-tag {
  margin: 4px 0 0;
  font-size: clamp(0.72rem, 2vw, 0.8rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pe-text-muted);
  line-height: 1.35;
}

.premium-engine .landing-pain-layout--copy-only {
  display: block;
  max-width: 720px;
}

/* Neutralize legacy joker-card hover inside premium engine */
.premium-engine .joker-card:hover,
.premium-engine .joker-card.flipped:hover {
  transform: none;
}

.premium-engine .pe-cube .f-front  { transform: rotateY(0deg) translateZ(110px); }
.premium-engine .pe-cube .f-back   { transform: rotateY(180deg) translateZ(110px); }
.premium-engine .pe-cube .f-right  { transform: rotateY(90deg) translateZ(110px); }
.premium-engine .pe-cube .f-left   { transform: rotateY(-90deg) translateZ(110px); }
.premium-engine .pe-cube .f-top    { transform: rotateX(90deg) translateZ(110px); }
.premium-engine .pe-cube .f-bottom { transform: rotateX(-90deg) translateZ(110px); }

@media (max-width: 768px) {
  .premium-engine .pe-cube.cube,
  .premium-engine .pe-cube .face {
    width: 200px;
    height: 200px;
  }
  .premium-engine .pe-cube .f-front  { transform: rotateY(0deg) translateZ(100px); }
  .premium-engine .pe-cube .f-back   { transform: rotateY(180deg) translateZ(100px); }
  .premium-engine .pe-cube .f-right  { transform: rotateY(90deg) translateZ(100px); }
  .premium-engine .pe-cube .f-left   { transform: rotateY(-90deg) translateZ(100px); }
  .premium-engine .pe-cube .f-top    { transform: rotateX(90deg) translateZ(100px); }
  .premium-engine .pe-cube .f-bottom { transform: rotateX(-90deg) translateZ(100px); }
}

.premium-engine .pe-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 32px;
  background: var(--pe-border);
  border: 1px solid var(--pe-border);
  border-radius: var(--pe-radius);
  overflow: hidden;
}

@media (min-width: 640px) {
  .premium-engine .pe-hero-stats {
    margin-top: 48px;
    grid-template-columns: repeat(4, 1fr);
  }
}

.premium-engine .pe-stat {
  padding: 20px 16px;
  background: var(--pe-bg);
  text-align: center;
}

.premium-engine .pe-stat .num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.premium-engine .pe-stat .lbl {
  display: block;
  margin-top: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pe-text-muted);
}

/* —— Scene 2: Four skills (mobile-first) —— */
.premium-engine .pe-scene {
  padding: 56px 0;
  border-bottom: 1px solid var(--pe-border);
}

@media (min-width: 768px) {
  .premium-engine .pe-scene {
    padding: clamp(72px, 12vh, 120px) 0;
  }
}

.premium-engine .pe-scene--muted {
  background: var(--pe-bg-muted);
}

.premium-engine .pe-scene-h2 {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-align: center;
}

.premium-engine .pe-scene-sub {
  margin: 0 auto 32px;
  max-width: 36rem;
  text-align: center;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--pe-text-muted);
  padding-inline: 4px;
}

@media (min-width: 768px) {
  .premium-engine .pe-scene-sub {
    margin-bottom: 48px;
    font-size: 1.05rem;
  }
}

.premium-engine .pe-skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .premium-engine .pe-skills-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.premium-engine .pe-skill-card {
  position: relative;
  aspect-ratio: 2.5 / 3.5;
  min-height: 0;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--pe-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 10px;
  text-align: center;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.premium-engine .pe-skills-grid.is-visible .pe-skill-card {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.premium-engine .pe-skills-grid.is-visible .pe-skill-card:nth-child(1) { transition-delay: 0.05s; }
.premium-engine .pe-skills-grid.is-visible .pe-skill-card:nth-child(2) { transition-delay: 0.12s; }
.premium-engine .pe-skills-grid.is-visible .pe-skill-card:nth-child(3) { transition-delay: 0.19s; }
.premium-engine .pe-skills-grid.is-visible .pe-skill-card:nth-child(4) { transition-delay: 0.26s; }

.premium-engine .pe-skill-card .pe-skill-rank {
  position: absolute;
  top: 10px;
  left: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--pe-text-muted);
}

.premium-engine .pe-skill-card .pe-skill-name {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.premium-engine .pe-skill-card--penalty {
  background: #0a0a0a;
  border-color: #0a0a0a;
  color: #fff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
}

.premium-engine .pe-skill-card--penalty .pe-skill-rank {
  color: var(--pe-gold);
}

.premium-engine .pe-skill-card--penalty .pe-skill-name {
  color: #fff;
}

.premium-engine .pe-skill-card--penalty .pe-skill-flag {
  margin-top: 10px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pe-gold);
}

/* —— Scene 3: Dice —— */
.premium-engine .pe-dice-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: stretch;
}

@media (min-width: 900px) {
  .premium-engine .pe-dice-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }
}

.premium-engine .pe-dice-wrap.dice-wrap {
  padding: 0;
}

.premium-engine .pe-cube-stage.cube-stage {
  width: min(260px, 70vw);
  height: min(320px, 85vw);
  margin: 0 auto;
  perspective: 2000px;
}

.premium-engine .pe-cube.cube {
  width: min(220px, 62vw);
  height: min(220px, 62vw);
  will-change: transform;
}

.premium-engine .pe-cube .face {
  width: min(220px, 62vw);
  height: min(220px, 62vw);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  border-radius: 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.premium-engine .pe-cube.is-locked {
  transition: transform 1.05s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: auto;
}

.premium-engine .pe-cube.is-locked .face.pe-face-glow {
  box-shadow: 0 0 0 2px var(--pe-ace-red), 0 0 32px rgba(220, 38, 38, 0.25);
  color: var(--pe-ace-red);
}

.premium-engine .pe-dice-copy .pe-h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.premium-engine .pe-skills-grid.is-visible .pe-skill-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 14px 32px rgba(10, 10, 10, 0.1);
}

.premium-engine .pe-skills-grid.is-visible .pe-skill-card--penalty:hover {
  box-shadow: 0 18px 40px rgba(220, 38, 38, 0.22);
  border-color: #dc2626;
}

.premium-engine .pe-diagnose-btn {
  margin-top: 20px;
  cursor: pointer;
  border: none;
  font-family: inherit;
  width: 100%;
}

@media (min-width: 520px) {
  .premium-engine .pe-diagnose-btn {
    width: auto;
    margin-top: 28px;
  }
}

.premium-engine .pe-diagnose-btn.is-locked {
  opacity: 0.55;
  pointer-events: none;
}

/* —— Scene 4: Pipeline —— */
.premium-engine .pe-pipeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 520px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .premium-engine .pe-pipeline {
    max-width: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

.premium-engine .pe-pipeline li {
  position: relative;
  padding: 28px 20px;
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.premium-engine .pe-pipeline.is-visible li {
  opacity: 1;
  transform: translateY(0);
}

.premium-engine .pe-pipeline.is-visible li:nth-child(1) { transition-delay: 0.05s; }
.premium-engine .pe-pipeline.is-visible li:nth-child(2) { transition-delay: 0.15s; }
.premium-engine .pe-pipeline.is-visible li:nth-child(3) { transition-delay: 0.25s; }
.premium-engine .pe-pipeline.is-visible li:nth-child(4) { transition-delay: 0.35s; }

.premium-engine .pe-pipeline .pe-step-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pe-text-muted);
  margin-bottom: 8px;
}

.premium-engine .pe-pipeline .pe-step-title {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.premium-engine .pe-pipeline li.pe-step--final .pe-step-title {
  color: var(--pe-ace-red);
}

.premium-engine .pe-pipeline-arrow {
  display: none;
}

@media (min-width: 640px) {
  .premium-engine .pe-pipeline li:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -12px;
    top: 50%;
    width: 24px;
    height: 1px;
    background: var(--pe-border);
    transform: translateY(-50%);
  }
}

/* —— Demo section polish —— */
.premium-engine .landing-section--demo {
  background: var(--pe-bg);
  border-bottom: 1px solid var(--pe-border);
}

.premium-engine .landing-h2 {
  letter-spacing: -0.03em;
}

.premium-engine .pe-pricing-header {
  text-align: center;
  margin-bottom: 40px;
}

.premium-engine .pe-pricing-header .pe-kicker {
  margin-bottom: 12px;
}

.premium-engine .pe-pricing-header .pe-scene-h2 {
  margin-bottom: 8px;
}

/* Sticky CTA — premium */
.premium-engine .landing-sticky-cta {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--pe-border);
  color: var(--pe-text);
}

.premium-engine .landing-sticky-cta a {
  background: var(--pe-text);
  color: #fff;
  border-radius: 999px;
}

/* Strip legacy commercial dark blocks when premium is active */
.premium-engine .landing-commercial-hero,
.premium-engine .landing-commercial-banner,
.premium-engine .landing-logo-marquee-wrap {
  display: none !important;
}