/* Boss AI Academy · Gemini Workshop Deck */
:root {
  --dark: #0A0817;
  --dark-2: #100C22;
  --card: #141024;
  --card-2: #181230;
  --border: #1f1a33;
  --border-2: #2a2345;
  --accent: #EC5A2C;
  --accent-hot: #ff7a4d;
  --accent-deep: #c33d18;
  --gold: #F3C859;
  --gold-muted: #B09B49;
  --body: #c9c5d6;
  --label: #7a7589;
  --muted: #564f6a;
  --light: #ffffff;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #f5a623;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #000;
  font-family: 'Noto Sans TC', 'PingFang HK', sans-serif;
  -webkit-font-smoothing: antialiased;
  color: var(--light);
}

deck-stage > section {
  position: relative;
  width: 1920px;
  height: 1080px;
  background:
    linear-gradient(180deg, rgba(10,8,23,0.82) 0%, rgba(10,8,23,0.72) 50%, rgba(10,8,23,0.90) 100%),
    url('../../assets/img/bg-hero.webp?v=2') center/cover no-repeat;
  color: var(--light);
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 300;
  line-height: 1.55;
  padding: 96px 128px 120px 128px;
  overflow: hidden;
  font-size: 28px;
}

/* ── Grain / subtle background texture on every slide ─────────── */
deck-stage > section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(236,90,44,0.05), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(243,200,89,0.04), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* ── Footer / page tag ───────────────────────────────────────── */
.slide-footer {
  position: absolute;
  bottom: 36px;
  left: 128px;
  right: 128px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  z-index: 5;
}
.slide-footer .brand {
  display: flex; align-items: center; gap: 14px;
}
.slide-footer .brand-logo {
  height: 28px; opacity: 0.7;
}
.slide-footer .page-num {
  color: var(--gold-muted);
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
}

/* ── Typography ──────────────────────────────────────────────── */
.eyebrow {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin: 0 0 28px 0;
}
.eyebrow.gold { color: var(--gold); }
.eyebrow.muted { color: var(--gold-muted); }

h1.display {
  font-family: 'Orbitron', 'Rajdhani', sans-serif;
  font-weight: 900;
  font-size: 140px;
  line-height: 1.02;
  letter-spacing: 0.01em;
  margin: 0 0 32px 0;
  color: var(--light);
}
h1.display .accent { color: var(--accent); }
h1.display .gold { color: var(--gold); }

h1.section-title {
  font-family: 'Orbitron', 'Rajdhani', sans-serif;
  font-weight: 900;
  font-size: 96px;
  line-height: 1.05;
  margin: 0 0 28px 0;
}

h1.slide-title {
  font-family: 'Orbitron', 'Rajdhani', sans-serif;
  font-weight: 900;
  font-size: 76px;
  line-height: 1.1;
  margin: 0 0 24px 0;
  letter-spacing: 0.01em;
}

h2.sub {
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 300;
  font-size: 38px;
  line-height: 1.4;
  color: var(--gold);
  margin: 0;
  max-width: 1400px;
}

.body-text {
  color: var(--body);
  font-size: 30px;
  font-weight: 300;
  line-height: 1.6;
  max-width: 1200px;
}
.body-text strong { color: var(--accent); font-weight: 500; }
.body-text em { color: var(--gold); font-style: normal; font-weight: 500; }

/* ── Lead slides (centered) ─────────────────────────────────── */
.lead {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.lead .eyebrow { margin-bottom: 36px; }

/* ── Tags / pills ────────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: 6px;
  background: rgba(236,90,44,0.14);
  color: var(--accent);
  border: 1px solid rgba(236,90,44,0.38);
  margin: 6px 6px;
}
.tag.gold {
  background: rgba(243,200,89,0.12);
  color: var(--gold);
  border-color: rgba(243,200,89,0.35);
}

/* ── Tables ──────────────────────────────────────────────────── */
table.boss-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 26px;
  margin-top: 32px;
  background: transparent;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
}
table.boss-table thead tr {
  background: rgba(236,90,44,0.10);
}
table.boss-table tbody tr:nth-child(odd)  { background: rgba(255,255,255,0.02); }
table.boss-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.05); }
table.boss-table th {
  text-align: left;
  color: var(--gold);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 22px;
  padding: 20px 28px;
  border-bottom: 2px solid var(--accent);
}
table.boss-table td {
  padding: 22px 28px;
  color: var(--light);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-weight: 300;
}
table.boss-table tbody tr:last-child td { border-bottom: none; }
table.boss-table td strong { color: var(--accent); font-weight: 600; }
table.boss-table.tight td { padding: 13px 24px; }
table.boss-table.tight th { padding: 12px 24px; font-size: 20px; }
table.boss-table td.mono {
  font-family: 'JetBrains Mono', monospace;
  color: var(--gold);
  font-size: 22px;
  font-weight: 500;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
}
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.four  { grid-template-columns: repeat(4, 1fr); }
.mini-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 36px;
  position: relative;
  overflow: hidden;
}
.mini-card .num {
  position: absolute;
  top: 18px;
  right: 28px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 72px;
  color: rgba(236,90,44,0.10);
  line-height: 1;
}
.mini-card h4 {
  font-family: 'Rajdhani', sans-serif;
  color: var(--accent);
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 14px 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.mini-card p {
  color: var(--body);
  font-size: 22px;
  margin: 0;
  line-height: 1.6;
  font-weight: 300;
}
.mini-card p strong { color: var(--light); font-weight: 500; }

/* ── Step rows ───────────────────────────────────────────────── */
.step {
  display: flex;
  gap: 32px;
  margin: 22px 0;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 76px; height: 76px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--light);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  font-size: 30px;
  box-shadow: 0 0 0 8px rgba(236,90,44,0.08), 0 12px 28px rgba(236,90,44,0.35);
}
.step-body {
  flex: 1;
  font-size: 28px;
  color: var(--body);
  padding-top: 18px;
  line-height: 1.5;
  font-weight: 300;
}
.step-body strong { color: var(--light); font-weight: 500; }
.step-body code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--card-2);
  padding: 4px 12px;
  border-radius: 6px;
  color: var(--gold);
  font-size: 24px;
}

/* ── Blockquote / callout ────────────────────────────────────── */
.callout {
  background: var(--card);
  border-left: 5px solid var(--accent);
  padding: 26px 34px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: var(--body);
  font-size: 26px;
  line-height: 1.6;
}
.callout strong { color: var(--light); font-weight: 500; }
.callout.gold { border-left-color: var(--gold); }

/* ── Prompt box ──────────────────────────────────────────────── */
.prompt-box {
  background: var(--card-2);
  border-left: 4px solid var(--gold);
  padding: 28px 36px;
  border-radius: 0 12px 12px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  color: var(--body);
  line-height: 1.7;
  margin: 24px 0;
  position: relative;
}
.prompt-box::before {
  content: "PROMPT";
  position: absolute;
  top: -14px;
  left: 30px;
  background: var(--dark);
  padding: 0 12px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.prompt-box strong { color: var(--accent); font-weight: 500; }

/* ── Backdrops ───────────────────────────────────────────────── */
.bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.32) blur(2px) saturate(1.1);
}
.bg-image::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,8,23,0.6) 0%, rgba(10,8,23,0.85) 100%);
}
.content {
  position: relative;
  z-index: 2;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
}
.content.lead {
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* ── Big number display ─────────────────────────────────────── */
.big-num {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 260px;
  color: var(--accent);
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-shadow: 0 0 80px rgba(236,90,44,0.4);
}
.big-num .pct { font-size: 120px; color: var(--accent-hot); }

/* ── Level rows (3 Levels of AI) ─────────────────────────────── */
.level-row {
  display: grid;
  grid-template-columns: 120px 1fr 260px;
  gap: 36px;
  align-items: center;
  padding: 32px 40px;
  background: var(--card);
  border-radius: 16px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.level-row.lv3 {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(236,90,44,0.16), var(--card));
  box-shadow: 0 0 0 1px rgba(236,90,44,0.3), 0 20px 60px rgba(236,90,44,0.15);
}
.level-row .lv {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 48px;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.level-row.lv3 .lv { color: var(--gold); }
.level-row .lv-body .lv-name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 28px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: 6px;
}
.level-row .lv-body .lv-desc {
  font-size: 24px;
  color: var(--body);
  font-weight: 300;
}
.level-row .lv-time {
  text-align: right;
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  font-size: 38px;
  color: var(--light);
}
.level-row.lv3 .lv-time { color: var(--accent); }

/* ── Timeline ───────────────────────────────────────────────── */
.timeline-row {
  display: grid;
  grid-template-columns: 280px 1fr 64px;
  gap: 28px;
  align-items: center;
  padding: 20px 28px;
  border-radius: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 26px;
}
.timeline-row:hover { background: rgba(255,255,255,0.02); }
.timeline-row .time {
  font-family: 'JetBrains Mono', monospace;
  color: var(--gold);
  font-weight: 500;
  font-size: 24px;
}
.timeline-row.highlight .time { color: var(--accent); }
.timeline-row.highlight .topic { color: var(--light); font-weight: 500; }
.timeline-row .icon { text-align: center; font-size: 32px; }

/* ── Quote lead ─────────────────────────────────────────────── */
.quote-lead {
  font-family: 'Orbitron', 'Rajdhani', sans-serif;
  font-weight: 900;
  font-size: 120px;
  line-height: 1.1;
  color: var(--light);
  letter-spacing: 0.01em;
  text-align: center;
}
.quote-lead .accent { color: var(--accent); }
.quote-lead .gold { color: var(--gold); }

/* ── Decorative frame (corners) ─────────────────────────────── */
.corner {
  position: absolute;
  width: 60px; height: 60px;
  border: 2px solid var(--accent);
  z-index: 3;
  opacity: 0.5;
}
.corner.tl { top: 48px; left: 48px; border-right: none; border-bottom: none; }
.corner.tr { top: 48px; right: 48px; border-left: none; border-bottom: none; }
.corner.bl { bottom: 48px; left: 48px; border-right: none; border-top: none; }
.corner.br { bottom: 48px; right: 48px; border-left: none; border-top: none; }

/* ── Diagonal scanline background (for part intros) ─────────── */
.scanlines {
  position: absolute; inset: 0; z-index: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0 40px,
    rgba(236,90,44,0.02) 40px 41px
  );
}

/* ── Vs / comparison ────────────────────────────────────────── */
.vs-grid {
  display: grid;
  grid-template-columns: 1fr 120px 1fr;
  gap: 28px;
  align-items: stretch;
  margin-top: 40px;
}
.vs-col {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 44px;
}
.vs-col.hero {
  border-color: var(--accent);
  background: linear-gradient(160deg, rgba(236,90,44,0.12), var(--card));
}
.vs-col h3 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 40px;
  margin: 0 0 20px 0;
  color: var(--light);
}
.vs-col.hero h3 { color: var(--accent); }
.vs-col ul {
  list-style: none;
  padding: 0; margin: 0;
}
.vs-col li {
  padding: 14px 0;
  font-size: 24px;
  color: var(--body);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-weight: 300;
}
.vs-col li:last-child { border: none; }
.vs-col li .ok { color: var(--green); margin-right: 8px; }
.vs-col li .no { color: var(--red);   margin-right: 8px; }
.vs-divider {
  display: flex; align-items: center; justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 64px;
  color: var(--muted);
  letter-spacing: -0.02em;
}

/* ── Use-case hero ──────────────────────────────────────────── */
.uc-hero {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 40px;
}
.uc-icon {
  width: 240px; height: 240px;
  border-radius: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  display: flex; align-items: center; justify-content: center;
  font-size: 140px;
  box-shadow: 0 20px 60px rgba(236,90,44,0.35);
}
.uc-hero h1 {
  font-family: 'Orbitron', 'Rajdhani', sans-serif;
  font-weight: 900;
  font-size: 76px;
  line-height: 1.05;
  margin: 0;
}
.uc-hero h1 .emph { color: var(--accent); }

/* ── Animation keyframes ────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slideRight {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideLeft {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 8px rgba(236,90,44,0.08), 0 12px 28px rgba(236,90,44,0.35); }
  50%      { box-shadow: 0 0 0 14px rgba(236,90,44,0.14), 0 12px 40px rgba(236,90,44,0.55); }
}
@keyframes scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}
@keyframes blink {
  0%, 50%  { opacity: 1; }
  51%,100% { opacity: 0; }
}
@keyframes floatY {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-12px); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ═══════════════════════════════════════════════════════════════
   STEP-THROUGH SYSTEM
   [data-step] elements start INVISIBLE. A step-runner JS reveals
   them one at a time on ← → / click. When an element becomes
   [data-step-revealed], the matching anim-* class fires.
   Non-step anim-* elements still auto-play when the slide becomes
   active (title, eyebrow, background chrome, etc.)
   ══════════════════════════════════════════════════════════════ */

/* Steps hidden by default — high-specificity override so we beat the
   animation rules below (which set opacity:1 via `both`). */
deck-stage > section [data-step]:not([data-step-revealed]),
deck-stage > section[data-deck-active] [data-step]:not([data-step-revealed]) {
  opacity: 0 !important;
  visibility: hidden !important;
  animation: none !important;
}

/* Auto-play anims for non-step elements when slide is active */
deck-stage > section[data-deck-active] .anim-fade-up:not([data-step]),
deck-stage > section[data-deck-active] [data-step][data-step-revealed].anim-fade-up {
  animation: fadeUp .6s cubic-bezier(.2,.7,.2,1) both;
}
deck-stage > section[data-deck-active] .anim-fade-in:not([data-step]),
deck-stage > section[data-deck-active] [data-step][data-step-revealed].anim-fade-in {
  animation: fadeIn .7s ease both;
}
deck-stage > section[data-deck-active] .anim-scale-in:not([data-step]),
deck-stage > section[data-deck-active] [data-step][data-step-revealed].anim-scale-in {
  animation: scaleIn .7s cubic-bezier(.2,.7,.2,1) both;
}
deck-stage > section[data-deck-active] .anim-slide-right:not([data-step]),
deck-stage > section[data-deck-active] [data-step][data-step-revealed].anim-slide-right {
  animation: slideRight .6s cubic-bezier(.2,.7,.2,1) both;
}
deck-stage > section[data-deck-active] .anim-slide-left:not([data-step]),
deck-stage > section[data-deck-active] [data-step][data-step-revealed].anim-slide-left {
  animation: slideLeft .6s cubic-bezier(.2,.7,.2,1) both;
}
deck-stage > section[data-deck-active] .anim-pulse:not([data-step]),
deck-stage > section[data-deck-active] [data-step][data-step-revealed].anim-pulse {
  animation: pulseGlow 2.4s ease-in-out infinite;
}
deck-stage > section[data-deck-active] .anim-float:not([data-step]),
deck-stage > section[data-deck-active] [data-step][data-step-revealed].anim-float {
  animation: floatY 4s ease-in-out infinite;
}

/* Fallback: plain revealed steps without an anim-* class */
[data-step][data-step-revealed]:not([class*="anim-"]) {
  animation: fadeUp .5s cubic-bezier(.2,.7,.2,1) both;
}

/* Staggered delays */
.d-1  { animation-delay: .10s !important; }
.d-2  { animation-delay: .22s !important; }
.d-3  { animation-delay: .34s !important; }
.d-4  { animation-delay: .46s !important; }
.d-5  { animation-delay: .58s !important; }
.d-6  { animation-delay: .70s !important; }
.d-7  { animation-delay: .82s !important; }
.d-8  { animation-delay: .94s !important; }

/* Typewriter caret */
.caret {
  display: inline-block;
  width: 3px; height: 1em;
  background: var(--accent);
  margin-left: 6px;
  vertical-align: -4px;
  animation: blink 1s infinite;
}

/* Animated underline for titles */
.underline-sweep {
  position: relative;
  display: inline-block;
}
.underline-sweep::after {
  content: "";
  position: absolute;
  left: 0; bottom: -12px;
  height: 6px; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
}
deck-stage > section[data-deck-active] .underline-sweep::after {
  animation: sweepIn .9s cubic-bezier(.2,.7,.2,1) .4s forwards;
}
@keyframes sweepIn {
  to { transform: scaleX(1); }
}

/* Scanning line effect for part intros */
.scan-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}
.scan-overlay::before {
  content: "";
  position: absolute;
  left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: 0.6;
  top: 0;
}
deck-stage > section[data-deck-active] .scan-overlay::before {
  animation: scanline 3s linear infinite;
}

/* Step progress indicator (dots on footer) */
.step-dots {
  position: absolute;
  right: 128px;
  bottom: 42px;
  display: flex;
  gap: 8px;
  z-index: 10;
}
.step-dots .sd {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  transition: background .3s ease, transform .3s ease;
}
.step-dots .sd.on { background: var(--accent); transform: scale(1.15); }

/* Part hero typography */
.part-num {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 340px;
  color: rgba(236,90,44,0.08);
  line-height: 0.8;
  letter-spacing: -0.03em;
  position: absolute;
  top: 40%;
  right: 80px;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
}

/* FAQ card */
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 36px;
  margin-bottom: 18px;
}
.faq-item .q {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 26px;
  color: var(--gold);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.faq-item .a {
  font-size: 22px;
  color: var(--body);
  font-weight: 300;
  line-height: 1.6;
}

/* Dot decoration */
.dot-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image: radial-gradient(rgba(236,90,44,0.18) 1.5px, transparent 1.5px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

/* Big cover hero */
.cover-hero {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  /* light wash so the image reads as-is; no blur, subtle dim */
  filter: brightness(0.82);
}
.cover-hero::after {
  content: "";
  position: absolute; inset: 0;
  /* Gentle vignette + bottom fade so text stays readable.
     Keep the image clearly visible — don't crush it black. */
  background:
    radial-gradient(ellipse at 50% 50%, transparent 45%, rgba(10,8,23,0.55) 100%),
    linear-gradient(to bottom, rgba(10,8,23,0.15) 0%, rgba(10,8,23,0.25) 55%, rgba(10,8,23,0.72) 100%);
}

/* ── Screenshot frames ───────────────────────────────────────── */
.ui-shot {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-2);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(243,200,89,0.08);
  background: #fff;
  display: block;
  max-width: 100%;
  width: 100%;
}
.ui-shot img { display: block; width: 100%; height: auto; }

.browser-frame {
  border-radius: 14px;
  overflow: hidden;
  background: #1a1528;
  border: 1px solid var(--border-2);
  box-shadow: 0 40px 100px rgba(0,0,0,0.65), 0 0 60px rgba(236,90,44,0.08);
}
.browser-frame .bf-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #221b35;
  border-bottom: 1px solid var(--border-2);
}
.browser-frame .bf-bar .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: #3a3350;
}
.browser-frame .bf-bar .url {
  flex: 1;
  background: #120d22;
  border-radius: 6px;
  padding: 6px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--gold-muted);
  margin-left: 10px;
}
.browser-frame img { display: block; width: 100%; height: auto; }

.phone-strip {
  display: flex;
  gap: 20px;
  align-items: stretch;
  justify-content: center;
}
.phone-frame {
  flex: 1;
  border-radius: 28px;
  overflow: hidden;
  background: #000;
  border: 3px solid #211b35;
  box-shadow: 0 30px 70px rgba(0,0,0,0.7), 0 0 0 1px rgba(243,200,89,0.06);
  position: relative;
}
.phone-frame img { display: block; width: 100%; height: auto; }
.phone-frame .pf-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(to top, rgba(10,8,23,0.95) 0%, transparent 100%);
  color: var(--gold);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  padding: 40px 10px 18px;
}

/* Two-column split layout */
.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split-2.wider-right { grid-template-columns: 1fr 1.2fr; }
.split-2.wider-left  { grid-template-columns: 1.2fr 1fr; }

/* Part hero with image treatment */
.hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
}
.hero-bg-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,8,23,0.55) 0%, rgba(10,8,23,0.70) 55%, rgba(10,8,23,0.92) 100%),
    linear-gradient(90deg, rgba(10,8,23,0.60) 0%, transparent 40%, transparent 60%, rgba(10,8,23,0.60) 100%);
}

/* Workshop tag row */
.tag-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 50px;
}

/* Circled key for Part titles */
.part-badge {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 14px 28px 14px 14px;
  border-radius: 100px;
  background: rgba(236,90,44,0.14);
  border: 1px solid rgba(236,90,44,0.4);
  margin-bottom: 40px;
}
.part-badge .pb-n {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--light);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 22px;
}
.part-badge .pb-t {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--light);
}

/* Gemini vs NotebookLM rows */
.compare-table td:first-child {
  color: var(--gold);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 22px;
}

/* Thank-you specific */
.ty-wrap {
  text-align: center;
}
.ty-qa {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 380px;
  color: var(--accent);
  line-height: 1;
  letter-spacing: 0.02em;
  text-shadow: 0 0 120px rgba(236,90,44,0.5);
}

/* Glow border utility */
.glow-border {
  box-shadow:
    0 0 0 1px rgba(236,90,44,0.4),
    0 0 60px rgba(236,90,44,0.2);
}

/* Row hover highlight */
.row-hover:hover {
  background: rgba(255,255,255,0.025);
  transition: background .2s;
}

/* Icon bubble */
.icon-bubble {
  width: 84px; height: 84px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(236,90,44,0.2), rgba(243,200,89,0.1));
  border: 1px solid rgba(236,90,44,0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 42px;
  flex-shrink: 0;
}

/* Big-picture workflow arrows */
.workflow-arrow {
  font-family: 'Orbitron', sans-serif;
  font-size: 48px;
  color: var(--gold-muted);
  display: flex; align-items: center; justify-content: center;
}