:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-softer: #f1f5f9;
  --border: rgba(15,23,42,0.07);
  --border-strong: rgba(15,23,42,0.13);
  --text: #0f172a;
  --text-dim: #475569;
  --text-mute: #94a3b8;
  --blue: #2563eb;
  --blue-2: #1d4ed8;
  --blue-3: #1e3a8a;
  --blue-soft: #dbeafe;
  --blue-very-soft: #eff6ff;
  --orange: #f97316;
  --orange-2: #ea580c;
  --orange-3: #9a3412;
  --orange-soft: #ffedd5;
  --orange-very-soft: #fff7ed;
  --slide-pad: 64px 88px;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin:0; padding:0; height:100%; }
[hidden] { display: none !important; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

/* =================== CHROME =================== */
#chrome {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  pointer-events: none;
}
#progress {
  height: 3px;
  background: rgba(15,23,42,0.04);
  width: 100%;
}
#progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  width: 0;
  transition: width .25s ease;
  box-shadow: 0 0 8px rgba(37,99,235,0.4);
}
#ctrl {
  position: fixed; bottom: 18px; right: 18px;
  display: flex; align-items: center; gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 6px 8px;
  box-shadow: 0 8px 24px rgba(15,23,42,0.12), 0 2px 6px rgba(15,23,42,0.04);
  pointer-events: auto;
  z-index: 100;
}
.ctrl-btn {
  background: transparent; border: none; cursor: pointer;
  width: 32px; height: 32px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
  transition: background .12s, color .12s;
}
.ctrl-btn:hover { background: var(--bg-soft); color: var(--text); }
.ctrl-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-dim); font-weight: 600;
  padding: 0 8px;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  height: 24px;
  display: flex; align-items: center;
}
.ctrl-timer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--blue-2); font-weight: 600;
  padding: 0 8px;
  border-right: 1px solid var(--border);
  height: 24px;
  display: flex; align-items: center;
  min-width: 60px;
  justify-content: center;
}

/* =================== DECK =================== */
#deck {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}
.slide {
  position: absolute;
  inset: 0;
  padding: var(--slide-pad);
  display: flex; flex-direction: column;
  overflow-y: auto;
  background: var(--bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease;
  pointer-events: none;
}
.slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  animation: slideIn .45s ease-out;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-title {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 18px;
  color: var(--text);
}
.slide-lead {
  font-size: 19px;
  color: var(--text-dim);
  margin: 0 0 32px;
  max-width: 800px;
  line-height: 1.5;
}
.slide-lead strong { color: var(--text); font-weight: 600; }
code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--bg-soft);
  padding: 1px 7px; border-radius: 5px;
  font-size: 0.92em;
  color: var(--text);
  border: 1px solid var(--border);
}
code.mc {
  background: var(--blue-soft);
  border-color: rgba(37,99,235,0.32);
  color: var(--blue-2);
  font-weight: 600;
}
code.mo {
  background: var(--orange-soft);
  border-color: rgba(249,115,22,0.32);
  color: var(--orange-2);
  font-weight: 600;
}

/* =================== COVER =================== */
.slide-cover {
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  position: relative;
}
.cover-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(37,99,235,0.10), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(249,115,22,0.10), transparent 50%);
  pointer-events: none;
}
.cover-inner {
  position: relative;
  max-width: 920px;
  padding: 0 64px;
  text-align: left;
}
.cover-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 56px; }
.cover-mark {
  width: 40px; height: 40px;
  display: inline-flex;
  filter: drop-shadow(0 4px 16px rgba(37,99,235,0.3));
  animation: markFloat 5s ease-in-out infinite;
}
.cover-mark svg { width: 100%; height: 100%; display: block; }
@keyframes markFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}
.cover-brand-text {
  font-size: 17px; font-weight: 700; letter-spacing: -0.01em;
}
.cover-brand-tag {
  margin-left: 6px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px; border-radius: 5px;
  background: var(--blue-soft);
  color: var(--blue-2);
  border: 1px solid rgba(37,99,235,0.22);
  vertical-align: middle;
}
.cover-eyebrow {
  font-size: 13px; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange-2);
  margin: 0 0 16px;
}
.cover-title {
  font-size: 96px;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 28px;
  color: var(--text);
}
.cover-title .amp {
  background: linear-gradient(135deg, var(--blue), var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 700;
}
.cover-sub {
  font-size: 22px;
  color: var(--text-dim);
  max-width: 700px;
  line-height: 1.45;
  margin: 0 0 48px;
}
.cover-sub strong { color: var(--text); font-weight: 600; }
.cover-meta {
  display: flex; align-items: center; gap: 24px;
  font-size: 14px;
  color: var(--text-mute);
  padding: 16px 0;
  border-top: 1px solid var(--border);
  max-width: 600px;
}
.cover-meta strong { color: var(--text); font-weight: 600; }
.cover-meta-end { justify-content: space-between; }
.cover-hint {
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-mute);
}
.cover-hint kbd {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-soft);
  padding: 3px 8px; border-radius: 5px;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  font-size: 12px;
  color: var(--text);
}
.end-arrow {
  font-size: 32px;
  color: var(--orange);
  font-weight: 300;
}

/* =================== AGENDA =================== */
.agenda {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 32px;
  counter-reset: ag;
}
.agenda li {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color .15s, transform .15s;
}
.agenda li:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.ag-num {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  box-shadow: 0 2px 8px -2px rgba(37,99,235,0.4);
}
.ag-num-orange {
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  box-shadow: 0 2px 8px -2px rgba(249,115,22,0.4);
}
.agenda li > div { flex: 1; }
.agenda li strong { font-size: 15px; font-weight: 600; color: var(--text); }
.ag-time {
  margin-left: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-mute);
  padding: 2px 7px; border-radius: 4px;
  background: var(--bg-soft);
}
.ag-desc {
  font-size: 13.5px;
  color: var(--text-dim);
  margin-top: 4px;
  line-height: 1.5;
}

/* =================== BIG QUOTE =================== */
.big-quote {
  font-size: 26px;
  font-weight: 500;
  color: var(--text);
  max-width: 1000px;
  line-height: 1.45;
  padding: 32px 36px;
  background: linear-gradient(135deg, var(--blue-very-soft), var(--orange-very-soft));
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 36px;
  position: relative;
}
.big-quote::before {
  content: '"';
  position: absolute; top: -8px; left: 16px;
  font-size: 96px; line-height: 1;
  color: var(--blue);
  opacity: 0.2;
  font-weight: 800;
}
.big-quote strong { color: var(--blue-2); font-weight: 700; }

/* =================== KEY-VALUE =================== */
.kvs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 28px;
  max-width: 1000px;
}
.kv {
  display: flex; align-items: baseline; gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.kv-k {
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-mute);
  min-width: 90px;
  flex-shrink: 0;
}
.kv-v {
  font-size: 16px;
  color: var(--text);
}

/* =================== FLOW =================== */
.flow {
  display: flex; flex-direction: column; gap: 8px;
  max-width: 1100px;
}
.flow-step {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 18px 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.flow-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
  box-shadow: 0 2px 8px -2px rgba(37,99,235,0.45);
}
.flow-body h3 { margin: 0 0 4px; font-size: 17px; font-weight: 600; }
.flow-body p { margin: 0; color: var(--text-dim); font-size: 14.5px; line-height: 1.5; }
.flow-arrow {
  align-self: center;
  width: 2px; height: 10px;
  background: linear-gradient(180deg, var(--blue), transparent);
  border-radius: 1px;
}

/* =================== CARDS 3 COLUMNS =================== */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  padding: 22px 22px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover {
  border-color: rgba(37,99,235,0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 22px -10px rgba(37,99,235,0.25);
}
.card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--blue-very-soft);
  color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; color: var(--text); }
.card p { margin: 0; font-size: 13.5px; color: var(--text-dim); line-height: 1.5; }

/* =================== PRO / CON =================== */
.pro-con {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pc-col {
  padding: 24px 26px;
  border-radius: 14px;
  border: 1px solid var(--border);
}
.pc-pro {
  background: var(--blue-very-soft);
  border-color: rgba(37,99,235,0.22);
}
.pc-con {
  background: var(--orange-very-soft);
  border-color: rgba(249,115,22,0.22);
}
.pc-head {
  display: flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
}
.pc-badge {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  color: #fff;
}
.pc-badge.ok { background: var(--blue); }
.pc-badge.ko { background: var(--orange-2); }
.pc-list { margin: 0; padding: 0 0 0 4px; list-style: none; }
.pc-list li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 14.5px;
  color: var(--text-dim);
  line-height: 1.5;
  border-bottom: 1px dashed rgba(15,23,42,0.08);
}
.pc-list li:last-child { border-bottom: none; }
.pc-list li::before {
  content: '';
  position: absolute; left: 0; top: 16px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.pc-con .pc-list li::before { background: var(--orange-2); }
.pc-list strong { color: var(--text); font-weight: 600; }

/* =================== PROBLEMS =================== */
.problems {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 24px;
  max-width: 1200px;
}
.problem {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  border-radius: 10px;
}
.problem-num {
  flex-shrink: 0;
  font-size: 24px;
  font-weight: 900;
  color: var(--orange-2);
  line-height: 1;
}
.problem h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.problem p { margin: 0; color: var(--text-dim); font-size: 13.5px; line-height: 1.5; }

/* =================== PIVOT =================== */
.slide-pivot {
  background: linear-gradient(135deg, var(--blue-3) 0%, var(--blue-2) 50%, var(--orange-2) 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  color: #fff;
}
.slide-pivot::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(255,255,255,0.15), transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(255,255,255,0.08), transparent 50%);
  pointer-events: none;
}
.pivot-inner { text-align: center; max-width: 800px; position: relative; padding: 0 40px; }
.pivot-eyebrow {
  font-size: 13px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
  margin-bottom: 24px;
}
.pivot-title {
  font-size: 180px;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 32px;
  text-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.pivot-sub {
  font-size: 26px;
  font-weight: 400;
  color: rgba(255,255,255,0.92);
  line-height: 1.4;
  margin: 0;
  max-width: 700px;
  margin: 0 auto;
}
.pivot-sub strong { font-weight: 700; color: #fff; }

/* =================== PITCH GRID =================== */
.pitch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.pitch-card {
  padding: 22px 22px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.pitch-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px -10px rgba(15,23,42,0.18);
}
.pitch-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.icon-blue { background: var(--blue-very-soft); color: var(--blue); border: 1px solid rgba(37,99,235,0.2); }
.icon-orange { background: var(--orange-very-soft); color: var(--orange); border: 1px solid rgba(249,115,22,0.22); }
.pitch-card h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; color: var(--text); }
.pitch-card p { margin: 0; font-size: 13.5px; color: var(--text-dim); line-height: 1.55; }

/* =================== ARCH =================== */
.arch {
  display: flex; flex-direction: column; align-items: center;
  gap: 6px;
  max-width: 700px;
  margin: 0 auto;
}
.arch-layer {
  width: 100%;
  padding: 18px 26px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  gap: 18px;
}
.arch-front { border-left: 4px solid var(--blue); }
.arch-back { border-left: 4px solid var(--blue-2); }
.arch-claude { border-left: 4px solid var(--orange); background: var(--orange-very-soft); }
.arch-proxy { border-left: 4px solid var(--blue-3); }
.arch-label { font-weight: 600; font-size: 15px; }
.arch-tech { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-dim); }
.arch-arrow {
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}
.arch-note {
  font-size: 13.5px;
  color: var(--text-mute);
  margin: 24px auto 0;
  max-width: 700px;
  text-align: center;
  line-height: 1.5;
}
.arch-note code { font-size: 11.5px; padding: 1px 5px; }

/* =================== DEMO SLIDES =================== */
.demo-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--blue), var(--orange));
  color: #fff;
  padding: 5px 12px; border-radius: 999px;
  margin-bottom: 16px;
  align-self: flex-start;
  box-shadow: 0 4px 12px -4px rgba(37,99,235,0.5);
}
.demo-points {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
  max-width: 1000px;
}
.demo-points li {
  padding: 16px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.55;
}
.demo-points li strong { color: var(--text); font-weight: 600; }
.demo-cta {
  margin-top: 24px;
  padding: 18px 24px;
  background: var(--blue-very-soft);
  border: 1px dashed rgba(37,99,235,0.4);
  border-radius: 12px;
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
  text-align: center;
  max-width: 1000px;
}

/* =================== POSITIONING TABLE =================== */
.positioning {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 0;
  max-width: 1200px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg);
}
.pos-row {
  display: contents;
}
.pos-row > div {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  display: flex; align-items: center;
}
.pos-row:last-child > div { border-bottom: none; }
.pos-head > div {
  background: var(--bg-soft);
  font-weight: 700; font-size: 13px;
  color: var(--text);
  text-align: center;
  justify-content: center;
}
.pos-head > div:first-child { background: var(--bg-soft); }
.pos-feature { font-weight: 500; color: var(--text); }
.pos-y, .pos-n, .pos-h { justify-content: center; font-size: 18px; font-weight: 700; }
.pos-y { color: var(--blue-2); }
.pos-n { color: var(--text-mute); }
.pos-h { color: var(--orange-2); }
.pos-us {
  background: var(--orange-very-soft);
  font-weight: 700;
}
.pos-head .pos-us { background: linear-gradient(135deg, var(--blue), var(--orange)); color: #fff; }
.pos-ex { font-size: 12px; color: var(--text-mute); text-align: center; justify-content: center; }
.pos-ex.pos-us { color: var(--orange-3); font-weight: 700; }

/* =================== USE CASES =================== */
.usecases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.usecase {
  padding: 24px 24px 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  position: relative;
  display: flex; flex-direction: column;
}
.uc-num {
  position: absolute; top: 18px; right: 22px;
  font-size: 56px; font-weight: 900;
  color: var(--blue-soft);
  line-height: 1;
}
.usecase h3 { margin: 0 0 10px; font-size: 17px; font-weight: 700; color: var(--text); max-width: 80%; }
.uc-flow { margin: 0 0 14px; font-size: 14px; color: var(--text-dim); line-height: 1.55; flex: 1; }
.uc-impact {
  padding: 10px 12px;
  background: var(--blue-very-soft);
  border: 1px solid rgba(37,99,235,0.22);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text);
}
.uc-impact strong { color: var(--blue-2); font-weight: 700; }
.usecase:nth-child(3) .uc-num { color: var(--orange-soft); }
.usecase:nth-child(3) .uc-impact { background: var(--orange-very-soft); border-color: rgba(249,115,22,0.22); }
.usecase:nth-child(3) .uc-impact strong { color: var(--orange-2); }

/* =================== SECURITY =================== */
.security {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 1200px;
}
.sec-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.sec-icon {
  flex-shrink: 0;
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--blue-very-soft);
  color: var(--blue);
  display: flex; align-items: center; justify-content: center;
}
.sec-item h3 { margin: 0 0 4px; font-size: 14.5px; font-weight: 600; }
.sec-item p { margin: 0; font-size: 13px; color: var(--text-dim); line-height: 1.45; }
.sec-note {
  margin-top: 22px;
  font-size: 13px;
  color: var(--text-mute);
  text-align: center;
  font-style: italic;
}

/* =================== PAUSE =================== */
.slide-pause {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-very-soft), var(--orange-very-soft));
}
.pause-inner { text-align: center; }
.pause-icon {
  font-size: 96px;
  line-height: 1;
  margin-bottom: 24px;
}
.pause-inner h2 {
  font-size: 64px; font-weight: 800; letter-spacing: -0.025em;
  margin: 0 0 12px;
}
.pause-inner p {
  font-size: 20px; color: var(--text-dim);
  margin: 0;
}

/* =================== WORKSHOP =================== */
.slide-workshop {
  background: var(--blue-very-soft);
}
.slide-workshop-team {
  background: var(--orange-very-soft);
}
.ws-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--blue);
  color: #fff;
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 16px;
  align-self: flex-start;
}
.ws-eyebrow-orange { background: var(--orange-2); }
.ws-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 1300px;
}
.ws-step {
  padding: 20px 22px;
  background: var(--bg);
  border: 1px solid rgba(37,99,235,0.18);
  border-radius: 12px;
  position: relative;
}
.ws-num {
  position: absolute; top: -10px; right: 16px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
  box-shadow: 0 2px 8px -2px rgba(37,99,235,0.5);
}
.ws-step h3 { margin: 0 0 8px; font-size: 16px; font-weight: 600; }
.ws-step p { margin: 0 0 8px; font-size: 13.5px; color: var(--text-dim); line-height: 1.5; }
.ws-step p:last-child { margin-bottom: 0; }
.ws-step ul { margin: 0 0 8px; padding-left: 18px; font-size: 13.5px; color: var(--text-dim); line-height: 1.55; }
.ws-step ul li { margin: 2px 0; }
.ws-tip {
  font-size: 12.5px !important;
  color: var(--blue-2) !important;
  font-style: italic;
  padding-top: 6px;
  border-top: 1px dashed rgba(37,99,235,0.2);
  margin-top: 8px !important;
}
.ws-foot {
  margin-top: 24px;
  padding: 16px 22px;
  background: var(--bg);
  border: 1px solid rgba(37,99,235,0.32);
  border-left: 4px solid var(--blue);
  border-radius: 10px;
  font-size: 14.5px;
  color: var(--text-dim);
}
.ws-foot strong { color: var(--blue-2); font-weight: 700; }
.ws-foot em { color: var(--text); font-style: italic; }
.ws-foot-orange {
  border-color: rgba(249,115,22,0.32);
  border-left-color: var(--orange-2);
}
.ws-foot-orange strong { color: var(--orange-2); }

.ws-team-flow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 1200px;
}
.ws-team-step {
  padding: 18px 22px;
  background: var(--bg);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: 12px;
}
.ws-team-step.ws-team-step-expert {
  background: linear-gradient(135deg, var(--orange-very-soft), var(--bg));
  border-color: rgba(249,115,22,0.4);
}
.ws-team-step h3 { margin: 0 0 8px; font-size: 15.5px; font-weight: 600; color: var(--orange-3); }
.ws-team-step p { margin: 0 0 6px; font-size: 13.5px; color: var(--text-dim); line-height: 1.5; }
.ws-team-step ul { margin: 6px 0; padding-left: 20px; font-size: 13px; color: var(--text-dim); line-height: 1.6; }

/* =================== BIZ MODEL =================== */
.biz {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.biz-col {
  padding: 22px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.biz-col h3 {
  margin: 0 0 14px;
  font-size: 16px; font-weight: 700;
  color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.biz-col ul { margin: 0; padding-left: 18px; }
.biz-col li {
  font-size: 13.5px; color: var(--text-dim);
  line-height: 1.6;
  margin: 4px 0;
}
.biz-col li strong { color: var(--text); font-weight: 600; }
.biz-col-highlight {
  background: linear-gradient(135deg, var(--blue-very-soft), var(--orange-very-soft));
  border-color: rgba(37,99,235,0.3);
}
.biz-col-highlight h3 { color: var(--blue-2); }
.biz-mrr {
  list-style: none !important;
  margin: 14px -8px 0 !important;
  padding: 12px 14px !important;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid rgba(37,99,235,0.32);
  font-size: 15px !important;
  color: var(--text) !important;
  text-align: center;
}
.biz-mrr strong { color: var(--blue-2) !important; font-weight: 800; font-size: 18px; }

/* =================== ROADMAP =================== */
.roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.rm-q {
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  border-top: 4px solid var(--blue);
}
.rm-q:nth-child(2) { border-top-color: #3b82f6; }
.rm-q:nth-child(3) { border-top-color: var(--orange); }
.rm-q:nth-child(4) { border-top-color: var(--orange-2); }
.rm-quarter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; font-weight: 700;
  color: var(--blue-2);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.rm-q:nth-child(3) .rm-quarter,
.rm-q:nth-child(4) .rm-quarter { color: var(--orange-2); }
.rm-q ul { margin: 0; padding-left: 16px; }
.rm-q li { font-size: 13px; color: var(--text-dim); line-height: 1.5; margin: 4px 0; }
.rm-q li code { font-size: 11px; padding: 1px 4px; }

/* =================== CONCLUSION =================== */
.slide-conclusion .cover-title { font-size: 80px; margin-bottom: 36px; }
.conclusion-points {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 750px;
  margin: 0 0 32px;
}
.cp {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 18px 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.5;
}
.cp-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--orange));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.cp strong { color: var(--text); font-weight: 600; }

/* =================== Q&A =================== */
.slide-qa {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg-soft), var(--bg));
}
.qa-inner { text-align: center; max-width: 1000px; }
.qa-inner h2 { font-size: 72px; font-weight: 900; letter-spacing: -0.025em; margin: 0 0 12px; }
.qa-sub { font-size: 20px; color: var(--text-dim); margin: 0 0 40px; }
.qa-prompts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.qa-prompt {
  padding: 16px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-dim);
  text-align: left;
  line-height: 1.45;
  transition: border-color .15s, transform .15s;
}
.qa-prompt:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  color: var(--text);
}

/* =================== MENU =================== */
.menu {
  position: fixed; inset: 0;
  background: rgba(15,23,42,0.5);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  animation: fadeIn .15s ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.menu-card {
  background: var(--bg);
  border-radius: 16px;
  padding: 24px;
  max-width: 580px;
  width: 90%;
  max-height: 80vh;
  box-shadow: 0 24px 60px rgba(15,23,42,0.3);
  display: flex; flex-direction: column;
}
.menu-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.menu-head h3 { margin: 0; font-size: 18px; font-weight: 700; }
.menu-close {
  background: transparent; border: none; cursor: pointer;
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
}
.menu-close:hover { background: var(--bg-soft); color: var(--text); }
.menu-list {
  margin: 0; padding: 0;
  list-style: none;
  overflow-y: auto;
  counter-reset: ml;
}
.menu-list li {
  display: flex; gap: 12px; align-items: baseline;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .1s;
  counter-increment: ml;
}
.menu-list li:hover { background: var(--bg-soft); }
.menu-list li.active { background: var(--blue-soft); color: var(--blue-3); font-weight: 600; }
.menu-list li::before {
  content: counter(ml, decimal-leading-zero);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-mute);
  font-weight: 700;
  min-width: 24px;
}
.menu-list li.active::before { color: var(--blue-2); }
.menu-list li .ml-title { flex: 1; font-size: 14px; }
.menu-list li .ml-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: rgba(15,23,42,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(15,23,42,0.25); }

/* Responsive scale-down for smaller displays */
@media (max-width: 1280px) {
  :root { --slide-pad: 48px 64px; }
  .slide-title { font-size: 36px; }
  .cover-title { font-size: 72px; }
  .pivot-title { font-size: 130px; }
  .cards-3, .pitch-grid, .ws-grid, .security { grid-template-columns: repeat(2, 1fr); }
  .agenda { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  :root { --slide-pad: 32px; }
  .slide-title { font-size: 28px; }
  .cover-title { font-size: 56px; }
  .pivot-title { font-size: 90px; }
  .pro-con, .biz, .usecases, .roadmap, .qa-prompts, .ws-team-flow {
    grid-template-columns: 1fr;
  }
  .positioning { font-size: 12px; }
}