* { box-sizing: border-box; }

:root {
  --green: #6B8F71;
  --green-dark: #3D3229;
  --leaf: #8A7BA8;
  --orange: #C2703D;
  --cream: #FAF3E7;
  --paper: #FFFDF8;
  --sand: #cfcabe;
  --ink: #3D3229;
  --muted: rgba(61, 50, 41, 0.7);
  --line: rgba(61, 50, 41, 0.18);
  --blue: #5B7B9A;
  --pink: #E9B44C;
  --shadow: 0 26px 70px rgba(17, 17, 17, 0.12);
  --radius: 28px;
  --mono: "Inter", system-ui, sans-serif;
  --sans: "Fira Sans", "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  overflow-y: auto;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--sans);
  display: flex;
  flex-direction: column;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 15%, rgba(107, 143, 113, 0.12), transparent 35%),
    radial-gradient(circle at 90% 10%, rgba(194, 112, 61, 0.12), transparent 30%),
    radial-gradient(rgba(61, 50, 41, 0.06) 1.1px, transparent 1.3px);
  background-size: 100% 100%, 100% 100%, 22px 22px;
}

button { font: inherit; }

.deck {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.slide {
  --accent: var(--green);
  display: none;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  position: relative;
}

.slide.active { display: flex; }

.topbar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  border-color: var(--line);
}

.topbar {
  height: 68px;
  padding: 0 34px;
  border-bottom: 1px solid var(--line);
}

.brand,
.section-label,
.nav-label,
.pill,
.micro,
.tag {
  font-family: var(--mono);
  letter-spacing: -0.01em;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--green-dark);
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ---- Home link button (topbar, far left) ---- */
.topbar .home-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 12px;
  padding: 8px 14px;
  text-decoration: none;
  box-shadow: 3px 3px 0 var(--ink);
  flex-shrink: 0;
  transition: transform 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.topbar .home-link:hover {
  background: var(--accent);
  color: #fff;
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
}

.diamond {
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  background: var(--accent);
  display: inline-block;
}

.top-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.pill {
  color: #fff;
  background: var(--accent);
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 2px 2px 0px var(--ink);
}

.reset-btn,
.nav-btn {
  border: 2.5px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--ink);
  transition: all 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.reset-btn:hover,
.nav-btn:hover:not(:disabled) {
  border-color: var(--ink);
  background: var(--accent);
  color: #fff;
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--ink);
}

.nav-btn:disabled {
  opacity: 0.36;
  box-shadow: none;
  cursor: default;
}

.slide-body {
  flex: 1;
  min-height: 0;
  padding: 30px 60px;
  display: grid;
  gap: 40px;
  align-content: center;
  max-width: 1760px;
  margin: 0 auto;
  width: 100%;
}

.hero-body {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
}

.section-body,
.split-body {
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
}

.full-body {
  grid-template-columns: 1fr;
}

.slide-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
}

.micro {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.72);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 18px;
}

h1,
h2,
p { margin: 0; }

.hero-title,
.statement {
  font-family: var(--serif);
  font-size: clamp(46px, 5.2vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.statement.small {
  font-size: clamp(42px, 4.5vw, 68px);
}

.statement .accent,
.hero-title .accent {
  color: var(--accent);
}

.subtitle {
  margin-top: 22px;
  max-width: 780px;
  color: #5a5a5a;
  font-size: clamp(27px, 2.2vw, 36px);
  line-height: 1.26;
  font-weight: 600;
}

.speaker-intro {
  margin-top: 34px;
  display: inline-grid;
  gap: 6px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 44px rgba(17, 17, 17, 0.08);
}

.speaker-intro strong {
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.speaker-intro span {
  color: var(--green-dark);
  font-size: 20px;
  font-weight: 800;
}

.quote {
  margin-top: 22px;
  max-width: 720px;
  color: var(--green-dark);
  font-size: clamp(29px, 2.25vw, 38px);
  line-height: 1.18;
  font-weight: 800;
}

.visual-card {
  min-height: 460px;
  padding: 16px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: visible;
}

.section-label {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 22px;
  font-weight: 800;
}

.chips {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag {
  padding: 14px 18px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(17, 17, 17, 0.06);
  font-size: 20px;
  font-weight: 800;
}

.foundation {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: end;
}

/* Shared high-fidelity card component layout */
.block,
.duo-panel,
.formula-card,
.time-card,
.memory-layer,
.drawer,
.shift {
  border-radius: 20px;
  background: #ffffff;
  border: 3.5px solid var(--ink);
  box-shadow: 6px 6px 0px var(--ink);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.block:hover,
.duo-panel:hover,
.formula-card:hover,
.time-card:hover,
.memory-layer:hover,
.drawer:hover,
.shift:hover {
  transform: translateY(-4px) translateX(-4px);
  box-shadow: 10px 10px 0px var(--ink);
}

.block {
  min-height: 380px;
  background: linear-gradient(180deg, #ffffff, #f7f6f2);
  border-top: 6px solid var(--green);
  justify-content: flex-end;
  --card-accent: var(--green);
}

.block:nth-child(2) {
  min-height: 440px;
  border-top-color: var(--orange);
  background: linear-gradient(180deg, #ffffff, #fff3ee);
  --card-accent: var(--orange);
}

.block:nth-child(3) {
  min-height: 500px;
  border-top-color: var(--green-dark);
  background: linear-gradient(180deg, #ffffff, #edf4f1);
  --card-accent: var(--green-dark);
}

.block > strong {
  font-size: 40px;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.block span {
  margin-top: 10px;
  color: #5a5a5a;
  font-size: 23px;
  font-weight: 800;
}

.block-bullets {
  list-style: none;
  margin: 18px 0 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.block-bullets li {
  font-size: 20px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
  position: relative;
  padding-left: 24px;
}

.block-bullets li strong {
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 700;
}

.block-bullets li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--card-accent);
}

.card-illustration {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 72px;
  height: 72px;
  opacity: 0.9;
  transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.35s ease;
  pointer-events: none;
}

.block:hover .card-illustration {
  transform: translateY(-6px) scale(1.08) rotate(2deg);
  opacity: 1;
}

.alert-box {
  margin-top: 28px;
  padding: 24px 30px;
  border-radius: 20px;
  background: rgba(194, 112, 61, 0.08);
  border: 3.5px solid var(--ink);
  border-left: 10px solid var(--orange);
  box-shadow: 6px 6px 0px var(--ink);
  display: flex;
  gap: 20px;
  align-items: center;
  max-width: 640px;
  text-align: left;
}

.alert-icon {
  font-size: 42px;
  line-height: 1;
}

.alert-content strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: var(--orange);
  margin-bottom: 8px;
}

.alert-content p {
  font-size: 22px;
  line-height: 1.4;
  color: var(--muted);
  font-weight: 700;
}

.loop-big {
  width: min(540px, 100%);
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: center;
}

.loop-ring {
  position: absolute;
  inset: 38px;
  border: 6px solid rgba(107, 143, 113, 0.12);
  border-top-color: var(--green);
  border-right-color: var(--orange);
  border-bottom-color: var(--leaf);
  border-radius: 50%;
  animation: slow-spin 22s linear infinite;
}

@keyframes slow-spin { to { transform: rotate(360deg); } }

.loop-center {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--green-dark), #05261d);
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.01em;
  z-index: 2;
  box-shadow: 0 15px 35px rgba(10, 70, 52, 0.25);
}

.loop-step {
  position: absolute;
  min-width: 120px;
  padding: 16px 20px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  font-weight: 800;
  text-align: center;
  font-size: 21px;
  box-shadow: 0 12px 30px rgba(17, 17, 17, 0.08);
}

.s1 { top: 4px; left: 50%; transform: translateX(-50%); --accent: var(--green); }
.s2 { right: 0; top: 34%; --accent: var(--orange); }
.s3 { right: 14%; bottom: 2%; --accent: var(--green-dark); }
.s4 { left: 14%; bottom: 2%; --accent: var(--leaf); }
.s5 { left: 0; top: 34%; --accent: var(--green); }

.duo {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.duo-panel {
  min-height: 520px;
  padding: 34px;
  border-top: 6px solid var(--orange);
}

.duo-panel.hot {
  background: linear-gradient(135deg, var(--green-dark), #05261d);
  color: #fff;
  border: none;
  border-top: 6px solid var(--green);
  box-shadow: 0 25px 55px rgba(10, 70, 52, 0.25);
}

.duo-panel h3 {
  margin: 0;
  font-size: 44px;
  letter-spacing: -0.01em;
  line-height: 1;
}

.comparison-subtitle {
  font-size: 24px;
  font-weight: 800;
  margin-top: 8px;
  margin-bottom: 24px;
  opacity: 0.85;
}
.duo-panel:not(.hot) .comparison-subtitle {
  color: var(--orange);
}
.duo-panel.hot .comparison-subtitle {
  color: #42d176;
}

.comparison-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}

.comp-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 18px;
  border-radius: 12px;
}
.duo-panel:not(.hot) .comp-section {
  background: rgba(194, 112, 61, 0.05);
  border: 1px solid rgba(194, 112, 61, 0.15);
}
.duo-panel.hot .comp-section {
  background: rgba(107, 143, 113, 0.15);
  border: 1px solid rgba(107, 143, 113, 0.3);
}

.comp-label {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.comp-text {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
}
.duo-panel.hot .comp-text {
  color: #fff;
}

.comp-flow {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comp-step {
  font-size: 18px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.3;
}
.duo-panel:not(.hot) .comp-step {
  background: #f7f6f2;
  border: 1px solid var(--line);
  color: var(--muted);
}
.duo-panel.hot .comp-step {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e7f5ee;
}

.comp-step.blocked {
  border-left: 4px solid var(--orange);
  font-weight: 700;
  color: var(--ink) !important;
  background: rgba(194, 112, 61, 0.08) !important;
}

.comp-step.success {
  border-left: 4px solid #42d176;
  font-weight: 800;
  color: #fff !important;
  background: rgba(66, 209, 118, 0.2) !important;
}

.duo-panel p {
  color: inherit;
  opacity: 1;
  font-size: 32px;
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: normal;
}

.duo-panel:not(.hot) p {
  color: #2b2f2d;
}

.duo-panel.hot p {
  color: #e7f5ee;
}

.formula {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.formula-card {
  min-height: 250px;
  padding: 24px;
  border-top: 6px solid var(--accent);
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.formula-card:nth-child(1) { --accent: var(--green); --accent-bg: rgba(107, 143, 113, 0.08); }
.formula-card:nth-child(2) { --accent: var(--orange); --accent-bg: rgba(194, 112, 61, 0.08); }
.formula-card:nth-child(3) { --accent: var(--green-dark); --accent-bg: rgba(10, 70, 52, 0.08); }
.formula-card:nth-child(4) { --accent: var(--leaf); --accent-bg: rgba(177, 197, 164, 0.16); }

.formula-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 12px;
}

.formula-num {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--muted);
  opacity: 0.7;
}

.formula-verb {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--accent-bg);
  padding: 4px 10px;
  border-radius: 999px;
}

.formula-card b {
  font-size: 42px;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 8px;
}

.formula-desc {
  font-size: 17px;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.4;
  margin: 0;
}

.timeline {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: stretch;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 50px;
  right: 50px;
  height: 3px;
  background: var(--line);
  z-index: 0;
}

.time-card {
  min-height: 260px;
  z-index: 1;
}

.time-card::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--line);
  position: absolute;
  top: 29px;
  left: 24px;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 1px var(--line);
}

.time-card strong {
  font-size: 52px;
  letter-spacing: -0.01em;
  padding-left: 22px;
}

.time-card span {
  color: #555;
  font-weight: 800;
  font-size: 23px;
  line-height: 1.18;
}

.time-card.active {
  background: linear-gradient(135deg, var(--green-dark), #05261d);
  color: #fff;
  border: none;
  box-shadow: 0 20px 45px rgba(10, 70, 52, 0.2);
}

.time-card.active::before {
  background: var(--orange);
  border-color: var(--green-dark);
  box-shadow: 0 0 0 4px rgba(194, 112, 61, 0.3);
}

.time-card.active span { color: rgba(255,255,255,0.9); }

.layoffs-chart-card {
  min-height: 480px;
  padding: 0;
}

.layoffs-chart {
  width: 100%;
  min-height: 470px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 18px;
  padding: 30px 34px 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
  border: 3.5px solid var(--ink);
  box-shadow: 6px 6px 0px var(--ink);
}

.chart-head,
.chart-foot {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.chart-kicker {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-head strong {
  display: block;
  font-size: clamp(38px, 3.4vw, 54px);
  line-height: 1;
  letter-spacing: -0.01em;
}

.chart-total {
  flex: 0 0 auto;
  min-width: 220px;
  padding: 16px 20px;
  border-radius: 16px;
  background: var(--green-dark);
  color: #fff;
  text-align: right;
}

.chart-total b {
  display: block;
  font-size: 38px;
  line-height: 1;
}

.chart-total span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  font-weight: 800;
}

.chart-story {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.chart-story div {
  min-height: 88px;
  padding: 15px 18px;
  border-radius: 14px;
  background: rgba(250, 243, 231, 0.78);
  border: 2px solid rgba(61, 50, 41, 0.2);
  border-left: 6px solid var(--accent);
}

.chart-story b {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 21px;
  line-height: 1;
}

.chart-story span {
  display: block;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.15;
}

.chart-grid {
  min-height: 230px;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
  padding-top: 14px;
  border-bottom: 3px solid var(--ink);
  background:
    linear-gradient(to top, rgba(61, 50, 41, 0.12) 1px, transparent 1px);
  background-size: 100% 25%;
}

.chart-bar {
  min-width: 0;
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  align-items: end;
  gap: 8px;
  text-align: center;
}

.chart-value {
  min-height: 24px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.chart-bar i {
  width: 100%;
  height: var(--value);
  min-height: 18px;
  display: block;
  align-self: end;
  border: 3px solid var(--ink);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0)),
    var(--bar);
  box-shadow: inset -5px 0 0 rgba(0, 0, 0, 0.08);
}

.chart-bar strong {
  font-size: 32px;
  line-height: 1;
}

.chart-bar small {
  min-height: 34px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.05;
}

.chart-bar.peak .chart-value,
.chart-bar.ytd .chart-value {
  color: var(--accent);
}

.chart-foot {
  align-items: center;
  color: var(--muted);
  font-size: 16px;
  font-weight: 800;
}

.bars {
  width: 100%;
  display: grid;
  gap: 22px;
}

.bar-row {
  display: grid;
  grid-template-columns: 170px 1fr 88px;
  align-items: center;
  gap: 16px;
  font-size: 23px;
  font-weight: 900;
}

.bar-track {
  height: 42px;
  border-radius: 999px;
  background: #eae6db;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  position: relative;
}

.bar-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.16), transparent);
}

.memory-lines {
  width: min(620px, 100%);
  display: grid;
  gap: 14px;
}

.memory-line {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  align-items: center;
  padding: 20px 24px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-left: 6px solid var(--accent);
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 10px 25px rgba(17,17,17,0.04);
}

.memory-line:nth-child(1) { --accent: var(--green); }
.memory-line:nth-child(2) { --accent: var(--orange); }
.memory-line:nth-child(3) { --accent: var(--green-dark); }

.memory-line code {
  font-family: var(--mono);
  color: var(--orange);
}

.agents-memory-compare {
  width: min(820px, 100%);
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 18px;
  align-items: stretch;
}

.memory-example-card {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 26px;
  border-radius: 22px;
  background: #ffffff;
  border: 3.5px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}

.memory-example-card.good {
  border-top: 8px solid var(--green);
}

.memory-example-card.bad {
  border-top: 8px solid var(--orange);
  background: linear-gradient(180deg, #ffffff, #fff5ef);
}

.memory-badge {
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(107, 143, 113, 0.14);
  color: var(--green-dark);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.memory-example-card.bad .memory-badge {
  background: rgba(194, 112, 61, 0.14);
  color: var(--orange);
}

.memory-example-card strong {
  display: block;
  font-size: 34px;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.memory-snippet {
  display: grid;
  gap: 10px;
}

.memory-snippet code {
  display: block;
  padding: 13px 14px;
  border-radius: 12px;
  background: rgba(107, 143, 113, 0.1);
  color: var(--green-dark);
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 900;
}

.bad-agent-shots {
  display: grid;
  gap: 10px;
}

.bad-agent-shots img {
  display: block;
  width: 100%;
  aspect-ratio: 2.1 / 1;
  object-fit: cover;
  object-position: left top;
  border-radius: 12px;
  border: 2px solid rgba(61, 50, 41, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.memory-example-card p {
  color: var(--muted);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.25;
}

.memory-warning {
  width: min(680px, 100%);
  display: grid;
  gap: 18px;
}

.memory-warning-card {
  min-height: 170px;
  padding: 28px 32px;
  border-radius: 20px;
  background: #ffffff;
  border: 3.5px solid var(--ink);
  border-left: 10px solid var(--green);
  box-shadow: 6px 6px 0 var(--ink);
}

.memory-warning-card.bad {
  border-left-color: var(--orange);
  background: linear-gradient(180deg, #ffffff, #fff5ef);
}

.memory-warning-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.memory-warning-card.bad span {
  color: var(--orange);
}

.memory-warning-card b {
  display: block;
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.screenshot-body {
  align-content: center;
  gap: 0;
  max-width: none;
  padding: 8px 32px;
}

.screenshot-layout {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.bad-agent-fullshot {
  width: 100%;
  margin: 0;
  padding: 8px;
  border-radius: 18px;
  background: #ffffff;
  border: 3.5px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  display: flex;
  justify-content: center;
}

.good-agent-fullshot {
  border-color: var(--green-dark);
  box-shadow: 6px 6px 0 var(--green-dark);
  background: linear-gradient(180deg, #ffffff, #edf4f1);
}

.bad-agent-fullshot img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: calc(100vh - 240px);
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(61, 50, 41, 0.2);
  background: #210018;
}

.good-agent-fullshot img {
  background: #173224;
}

.screenshot-side {
  display: block;
  text-align: center;
}

.screenshot-side h2 {
  text-align: center;
  font-size: clamp(24px, 2.2vw, 36px);
  line-height: 1.15;
}

.check {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--accent);
  font-weight: 900;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.memory-stack {
  width: min(610px, 100%);
  display: grid;
  gap: 20px;
  perspective: 1000px;
}

.memory-layer {
  padding: 34px;
  box-shadow: 0 25px 55px rgba(17,17,17,0.08);
  transform: rotateX(10deg) rotateY(-5deg);
}

.memory-layer.local {
  transform: rotateX(10deg) rotateY(-5deg) translateZ(20px) translateX(24px);
  border-top: 6px solid var(--orange);
}

.memory-layer.global {
  transform: rotateX(10deg) rotateY(-5deg) translateZ(-10px) translateX(-24px);
  border-top: 6px solid var(--green);
}

.memory-layer b {
  display: block;
  font-size: 50px;
  letter-spacing: -0.01em;
  line-height: 0.98;
}

.memory-layer span {
  display: block;
  margin-top: 10px;
  color: #555;
  font-weight: 800;
  font-size: 23px;
  line-height: 1.18;
}

.token-box {
  width: 100%;
  display: grid;
  gap: 24px;
}

.token-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  align-items: center;
}

.token-label {
  font-family: var(--mono);
  font-weight: 800;
  font-size: 23px;
}

.token-blocks {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 6px;
}

.token {
  height: 44px;
  border-radius: 10px;
  background: #eae6db;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
  transition: background 0.3s ease;
}

.token.on {
  background: linear-gradient(135deg, var(--orange), #f28d68);
  box-shadow: 0 4px 12px rgba(194, 112, 61, 0.25);
}

.token.good {
  background: linear-gradient(135deg, var(--green), #42d176);
  box-shadow: 0 4px 12px rgba(107, 143, 113, 0.25);
}

.drawers {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.drawer {
  min-height: 220px;
  background: linear-gradient(135deg, #ffffff, #fcfbfa);
  border-top: 5px solid var(--accent);
  padding: 32px 24px 24px;
}

.drawer::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 8px;
  border-radius: 4px;
  background: var(--accent);
  opacity: 0.75;
}

.drawer:nth-child(1) { --accent: var(--green); }
.drawer:nth-child(2) { --accent: var(--orange); }
.drawer:nth-child(3) { --accent: var(--green-dark); }

.drawer b {
  font-size: 40px;
  letter-spacing: -0.01em;
}

.drawer span {
  font-family: var(--sans);
  color: #555;
  font-weight: 800;
  font-size: 21px;
  line-height: 1.18;
}

.orbit {
  width: min(520px, 100%);
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: center;
}

.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 2px dashed rgba(17, 17, 17, 0.16);
}

.orbit::before { inset: 38px; }
.orbit::after { inset: 100px; }

.orbit-center {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--green-dark), #05261d);
  color: #fff;
  font-size: 44px;
  font-weight: 900;
  z-index: 2;
  box-shadow: 0 15px 35px rgba(10, 70, 52, 0.3);
}

.tool {
  position: absolute;
  padding: 16px 22px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  font-weight: 800;
  font-size: 21px;
  box-shadow: 0 12px 30px rgba(17,17,17,0.08);
}

.t1 { top: 20px; left: 50%; transform: translateX(-50%); }
.t2 { right: 6px; top: 33%; }
.t3 { right: 56px; bottom: 38px; }
.t4 { left: 56px; bottom: 38px; }
.t5 { left: 6px; top: 33%; }

.shift-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.shift {
  min-height: 340px;
  border-top: 6px solid var(--accent);
  box-shadow: 0 20px 45px rgba(17, 17, 17, 0.06);
}

.shift:nth-child(1) { --accent: var(--green); }
.shift:nth-child(2) { --accent: var(--orange); }
.shift:nth-child(3) { --accent: var(--green-dark); }

.shift b {
  font-size: 62px;
  color: var(--accent);
  line-height: 0.9;
  letter-spacing: -0.01em;
}

.shift h3 {
  margin: 0;
  font-size: 40px;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.final-line {
  margin-top: 28px;
  padding: 24px 28px;
  border-radius: 24px;
  background: var(--green-dark);
  color: #fff;
  font-size: clamp(30px, 2.7vw, 42px);
  line-height: 1.12;
  letter-spacing: normal;
  font-weight: 900;
}

.navbar {
  height: 68px;
  padding: 0 28px;
  border-top: 3.5px solid var(--ink);
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--paper);
}

.nav-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: none;
  padding: 0;
  box-shadow: none;
}

.nav-dot:hover {
  background: rgba(255, 255, 255, 0.55);
}

.nav-dot.active {
  background: var(--pink);
  width: 32px;
  border-radius: 6px;
}

.nav-label {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--paper);
  flex: 1;
  text-align: center;
}

.reveal-step {
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.reveal-step.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ============================================================================
   Responsive overhaul
   Goal: keep the slide-deck feel on phones but allow content to scroll,
   shrink huge display fonts, collapse multi-column layouts, and prevent
   absolute-positioned visual elements from overflowing the viewport.
   ============================================================================ */
@media (max-width: 900px) {
  html,
  body {
    height: 100%;
    height: 100dvh;
    overflow: hidden;
  }

  .deck {
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: hidden;
  }

  .slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
  }
  .slide.active {
    display: flex;
  }

  .slide-body,
  .hero-body,
  .section-body,
  .split-body,
  .full-body,
  .slide-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 22px 18px;
    align-content: start;
    max-width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
  }

  .screenshot-body {
    padding: 14px 12px;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
  }

  .visual-card {
    min-height: auto;
    padding: 6px;
  }

  /* Display typography */
  .hero-title,
  .statement { font-size: 38px; line-height: 1.05; }
  .statement.small { font-size: 34px; }
  .subtitle { font-size: 22px; margin-top: 14px; }
  .quote { font-size: 24px; margin-top: 16px; }
  .section-label { font-size: 18px; margin-bottom: 12px; }

  /* Topbar */
  .topbar {
    height: auto;
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .brand { font-size: 15px; }
  .topbar .home-link { font-size: 13px; padding: 6px 10px; border-width: 2px; box-shadow: 2px 2px 0 var(--ink); }
  .pill { font-size: 14px; padding: 6px 10px; border-width: 2px; box-shadow: 2px 2px 0 var(--ink); }
  .reset-btn {
    padding: 6px 12px;
    font-size: 14px;
    box-shadow: 2px 2px 0 var(--ink);
  }

  /* Multi-column components collapse */
  .foundation,
  .duo,
  .formula,
  .timeline,
  .drawers,
  .shift-grid,
  .slide-grid { grid-template-columns: 1fr; gap: 16px; }

  .block,
  .block:nth-child(2),
  .block:nth-child(3),
  .duo-panel,
  .formula-card,
  .time-card,
  .shift,
  .drawer { min-height: auto; }

  .block > strong { font-size: 30px; }
  .block span { font-size: 18px; }
  .block-bullets li,
  .block-bullets li strong { font-size: 17px; }

  .card-illustration { display: none; }

  .duo-panel { padding: 20px; }
  .duo-panel h3 { font-size: 32px; }
  .duo-panel p { font-size: 22px; }
  .comparison-subtitle { font-size: 18px; margin-bottom: 16px; }
  .comp-step { font-size: 16px; padding: 8px 12px; }

  .formula-card { padding: 18px; }
  .formula-card b { font-size: 30px; }
  .formula-desc { font-size: 15px; }

  /* Learning loop */
  .loop-big { width: min(360px, 90vw); }
  .loop-center { width: 130px; height: 130px; font-size: 30px; }
  .loop-step {
    min-width: 92px;
    padding: 10px 14px;
    font-size: 17px;
  }
  .s1 { top: 0; }
  .s2 { right: 0; }
  .s3 { right: 10%; bottom: 0; }
  .s4 { left: 10%; bottom: 0; }
  .s5 { left: 0; }

  /* Alert */
  .alert-box { padding: 16px 18px; gap: 12px; max-width: 100%; }
  .alert-icon { font-size: 30px; }
  .alert-content strong { font-size: 22px; margin-bottom: 4px; }
  .alert-content p { font-size: 17px; }

  /* Memory warnings */
  .memory-warning-card { padding: 18px 20px; min-height: auto; }
  .memory-warning-card b { font-size: 26px; }
  .memory-warning-card span { font-size: 15px; }

  .memory-layer { padding: 22px; transform: none; }
  .memory-layer.local,
  .memory-layer.global {
    transform: none;
    translate: 0;
  }
  .memory-layer b { font-size: 34px; }
  .memory-layer span { font-size: 18px; }

  /* Token grid */
  .token-row { grid-template-columns: 110px 1fr; gap: 12px; }
  .token-label { font-size: 18px; }
  .token-blocks { gap: 4px; }
  .token { height: 30px; border-radius: 8px; }

  /* Drawers */
  .drawer { padding: 24px 18px 18px; min-height: auto; }
  .drawer b { font-size: 28px; }
  .drawer span { font-size: 17px; }

  /* Orbit (harness agnostic) */
  .orbit { width: min(320px, 84vw); }
  .orbit-center { width: 110px; height: 110px; font-size: 30px; }
  .orbit::before { inset: 24px; }
  .orbit::after { inset: 64px; }
  .tool { padding: 10px 14px; font-size: 16px; border-left-width: 4px; }
  .t1 { top: 0; }
  .t3 { right: 32px; bottom: 28px; }
  .t4 { left: 32px; bottom: 28px; }

  /* SVG charts: shrink container, allow horizontal scroll if needed */
  .visual-card svg { width: 100%; height: auto; max-width: 100%; }

  /* Layoffs chart */
  .layoffs-chart {
    min-height: auto;
    gap: 12px;
    padding: 16px 18px;
    border-width: 2.5px;
  }
  .chart-head,
  .chart-foot {
    align-items: start;
    flex-direction: column;
    gap: 10px;
  }
  .chart-head strong { font-size: 26px; }
  .chart-total {
    width: 100%;
    padding: 10px 14px;
    text-align: left;
  }
  .chart-total b { font-size: 22px; }
  .chart-total span { font-size: 13px; }
  .chart-story { grid-template-columns: 1fr; gap: 8px; }
  .chart-story div { min-height: auto; padding: 12px 14px; }
  .chart-story b { font-size: 17px; }
  .chart-story span { font-size: 15px; }
  .chart-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: stretch;
    padding-top: 0;
    border-bottom: 0;
    background: transparent;
  }
  .chart-bar {
    grid-template-columns: 58px 1fr 90px;
    grid-template-rows: auto;
    align-items: center;
    gap: 8px;
    text-align: left;
  }
  .chart-value {
    order: 3;
    min-height: auto;
    font-size: 14px;
    text-align: right;
  }
  .chart-bar i {
    order: 2;
    width: var(--value);
    height: 22px;
    min-width: 18px;
    min-height: 0;
    border: 3px solid var(--ink);
    border-radius: 999px;
  }
  .chart-bar strong {
    order: 1;
    font-size: 18px;
  }
  .chart-bar small { display: none; }
  .chart-foot { font-size: 12px; }

  /* Screenshot slides never cap height on mobile */
  .bad-agent-fullshot img {
    max-height: none;
    max-width: 100%;
    width: 100%;
  }

  /* Navbar */
  .navbar { height: auto; padding: 12px 16px; flex-wrap: wrap; gap: 10px; }
  .nav-label { display: none; }
  .nav-btn { padding: 8px 14px; font-size: 15px; box-shadow: 2px 2px 0 var(--ink); }
  .nav-dots { gap: 6px; flex: 1; justify-content: center; overflow: hidden; }
  .nav-dot { width: 9px; height: 9px; }
  .nav-dot.active { width: 22px; }

  /* Big inline-styled hero on the thank-you slide */
  .slide .hero-title[style*="96px"] { font-size: 44px !important; }
  .slide .subtitle[style*="34px"] { font-size: 22px !important; }

  /* Final-line & memory-example cards */
  .final-line { font-size: 22px; padding: 16px 18px; }
  .memory-example-card { min-height: auto; padding: 20px; }
  .memory-example-card strong { font-size: 24px; }
  .memory-example-card p { font-size: 16px; }

  /* Bar rows */
  .bar-row { grid-template-columns: 110px 1fr 70px; gap: 10px; font-size: 18px; }
  .bar-track { height: 30px; }

  .memory-lines { width: 100%; }
  .memory-line { grid-template-columns: 42px 1fr; padding: 14px 16px; font-size: 18px; gap: 12px; }

  .agents-memory-compare { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }

  .hero-title,
  .statement { font-size: 30px; }
  .statement.small { font-size: 27px; }
  .subtitle { font-size: 19px; }
  .quote { font-size: 20px; }

  .slide-body,
  .hero-body,
  .section-body,
  .split-body,
  .full-body,
  .slide-grid { padding: 18px 14px; gap: 20px; }

  .duo-panel h3 { font-size: 26px; }
  .duo-panel p { font-size: 18px; }
  .comparison-subtitle { font-size: 16px; }
  .comp-step { font-size: 14px; padding: 7px 10px; }

  .formula-card b { font-size: 24px; }
  .formula-desc { font-size: 14px; }
  .formula-verb { font-size: 12px; }
  .formula-num { font-size: 14px; }

  .block > strong { font-size: 24px; }
  .block span { font-size: 16px; }
  .block-bullets li,
  .block-bullets li strong { font-size: 15px; }

  .memory-warning-card b { font-size: 22px; }
  .memory-layer b { font-size: 28px; }
  .memory-layer span { font-size: 16px; }

  .loop-step { min-width: 78px; padding: 8px 10px; font-size: 14px; }
  .loop-center { width: 104px; height: 104px; font-size: 24px; }

  .orbit-center { width: 92px; height: 92px; font-size: 24px; }
  .tool { padding: 8px 12px; font-size: 14px; }

  /* Explanation copy on slides 14 & 16 */
  .explanation-box strong { font-size: 18px !important; }
  .explanation-box p { font-size: 14px !important; }
}