:root {
  --bg: #f8f7f6;
  --primary-lighter: #ece8e4;
  --primary: #a57a55;
  --primary-darker: #7a573a;
  --secondary-lighter: #3a4a60;
  --secondary: #1f2c3d;
  --secondary-darker: #0f151f;
  --border: #cecbc6;
  --card: #f4f3ef;
  --text-primary: #2a2a2a;
  --text-secondary: #7c7974;
  --text-placeholder: #736e66;
  --success: #4bae75;
  --warning: #d88c30;
  --warning-darker: #9a5d12;
  --error: #cc4a4a;
  --info: #6c7c8e;
  --font-body:
    "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow:
    0 1px 2px rgba(31, 44, 61, 0.04), 0 12px 30px -12px rgba(31, 44, 61, 0.18);
  --shadow-hover:
    0 1px 2px rgba(31, 44, 61, 0.06), 0 22px 48px -16px rgba(31, 44, 61, 0.3);
}
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  margin: 0;
}
html {
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
}
body {
  --ui-fg: #1f2c3d;
  --ui-pill: rgba(31, 44, 61, 0.05);
  --ui-pill-border: rgba(31, 44, 61, 0.12);
  --ui-track: rgba(31, 44, 61, 0.08);
  overflow: hidden;
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  color: var(--text-primary);
  background: var(--bg);
}
body.on-dark {
  --ui-fg: #f3efe9;
  --ui-pill: rgba(255, 255, 255, 0.08);
  --ui-pill-border: rgba(255, 255, 255, 0.16);
  --ui-track: rgba(255, 255, 255, 0.12);
}

/* ---------- Deck ---------- */
.deck {
  position: fixed;
  inset: 0;
}
.slide {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(24px) scale(0.992);
  transition:
    opacity 0.55s ease,
    transform 0.55s cubic-bezier(0.2, 0.7, 0.2, 1),
    visibility 0.55s;
  background: var(--bg);
  -webkit-overflow-scrolling: touch;
}
.slide.active {
  z-index: 2;
  visibility: visible;
  opacity: 1;
  transform: none;
}
.slide-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: 1180px;
  min-height: 100%;
  padding: clamp(28px, 5.2vw, 72px);
  padding-top: clamp(72px, 9vh, 104px);
  padding-bottom: clamp(110px, 14vh, 180px);
  margin: 0 auto;
}
.slide--dark {
  color: #f3efe9;
  background: radial-gradient(
    120% 120% at 78% 12%,
    #2b3c52 0%,
    var(--secondary) 42%,
    var(--secondary-darker) 100%
  );
}
.slide--accent {
  background: linear-gradient(160deg, #fbf9f7 0%, #f1ece6 100%);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.65s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.65s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: calc(var(--i, 0) * 70ms + 120ms);
}
.slide.active .reveal {
  opacity: 1;
  transform: none;
}

/* ---------- Typography ---------- */
.eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.2vw, 15px);
  font-weight: 500;
  color: var(--primary-darker);
  text-transform: uppercase;
  letter-spacing: 0.22em;
}
.slide--dark .eyebrow {
  color: #d9a978;
}
h1 {
  margin: 0;
  font-size: clamp(40px, 8vw, 86px);
  font-weight: 800;
  line-height: 1.02;
  color: var(--secondary);
  letter-spacing: -0.025em;
}
.slide--dark h1 {
  color: #fff;
}
h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.06;
  color: var(--secondary);
  letter-spacing: -0.02em;
}
.slide--dark h2 {
  color: #fff;
}
h3 {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.01em;
}
p {
  margin: 0;
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.55;
  color: var(--text-secondary);
}
.slide--dark p {
  color: #c6cdd6;
}
.lead {
  max-width: 58ch;
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.45;
  color: var(--text-secondary);
}
.slide--dark .lead {
  color: #cdd4dd;
}
/* key takeaway — the one line a busy reader needs */
.takeaway {
  max-width: 48ch;
  margin: 14px 0 2px;
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--secondary);
  letter-spacing: -0.015em;
}
.slide--dark .takeaway {
  color: #fff;
}
.takeaway .accent {
  color: var(--primary-darker);
}
.slide--dark .takeaway .accent {
  color: #e3b88c;
}
.accent {
  font-weight: 700;
  color: var(--primary-darker);
}
.slide--dark .accent {
  color: #e3b88c;
}
strong {
  font-weight: 700;
  color: var(--text-primary);
}
.slide--dark strong {
  color: #fff;
}

/* ---------- Cover ---------- */
.cover-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
}
.hero-mark {
  width: clamp(84px, 13vw, 128px);
  height: auto;
  margin-bottom: 34px;
  color: var(--primary);
  filter: drop-shadow(0 14px 34px rgba(165, 122, 85, 0.45));
  animation: spin 26s linear infinite;
}
.hero-mark .p {
  opacity: 0;
  transition: opacity 0.9s ease;
}
.slide.active .hero-mark .p1 {
  opacity: 1;
  transition-delay: 0.15s;
}
.slide.active .hero-mark .p2 {
  opacity: 1;
  transition-delay: 0.3s;
}
.slide.active .hero-mark .p3 {
  opacity: 1;
  transition-delay: 0.45s;
}
.slide.active .hero-mark .p4 {
  opacity: 1;
  transition-delay: 0.6s;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.wordmark {
  padding-left: 0.42em;
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 600;
  color: #d9a978;
  text-transform: uppercase;
  letter-spacing: 0.42em;
}
.cover-title {
  margin-top: 8px;
}
.cover-sub {
  max-width: 30ch;
  margin-top: 22px;
  font-size: clamp(17px, 2.3vw, 26px);
  font-weight: 500;
  color: #cdd4dd;
}
.cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 40px;
}
.chip {
  padding: 8px 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #cdd4dd;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}
.cover-hint {
  margin-top: 48px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #8fa0b3;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.cover-hint kbd {
  display: inline-block;
  padding: 1px 7px;
  margin: 0 2px;
  font-family: var(--font-mono);
  color: #cdd4dd;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom-width: 2px;
  border-radius: 6px;
}

/* ---------- Header bits ---------- */
.kicker {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 6px;
}
.feat-no {
  font-family: var(--font-mono);
  font-size: clamp(40px, 7vw, 78px);
  font-weight: 600;
  line-height: 1;
  color: var(--primary);
  letter-spacing: -0.02em;
  opacity: 0.92;
}

/* ---------- Cards / grids ---------- */
.grid {
  display: grid;
  gap: clamp(14px, 1.6vw, 20px);
}
.g-2 {
  grid-template-columns: repeat(2, 1fr);
}
.g-3 {
  grid-template-columns: repeat(3, 1fr);
}
.g-4 {
  grid-template-columns: repeat(4, 1fr);
}
.card {
  padding: clamp(18px, 2vw, 26px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}
.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.slide--dark .card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.slide--dark .card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: #d9a978;
}
.card h3 {
  margin-bottom: 8px;
}
.slide--dark .card h3 {
  color: #fff;
}

.ico-chip {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  color: #fff;
  background: linear-gradient(150deg, #b98a62, var(--primary-darker));
  border-radius: 12px;
  box-shadow: 0 8px 18px -8px rgba(122, 87, 58, 0.7);
}
.ico {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ico-sm {
  width: 18px;
  height: 18px;
}

/* numbered list */
.steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}
.steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--text-secondary);
}
.slide--dark .steps li {
  color: #c6cdd6;
}
.steps .n {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 27px;
  height: 27px;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-darker);
  background: var(--primary-lighter);
  border-radius: 50%;
}
.steps li b {
  font-weight: 700;
  color: var(--text-primary);
}
.slide--dark .steps li b {
  color: #fff;
}

/* agenda */
.agenda {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  margin-top: 8px;
}
.agenda-item {
  display: flex;
  gap: 22px;
  align-items: center;
  padding: 18px 4px;
  border-top: 1px solid var(--border);
}
.agenda-item:last-child {
  border-bottom: 1px solid var(--border);
}
.agenda-item .a-no {
  min-width: 30px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-darker);
}
.agenda-item .a-t {
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.01em;
}
.agenda-item .a-d {
  display: none;
  margin-left: auto;
  font-size: 14px;
  color: var(--text-secondary);
  text-align: right;
}
@media (min-width: 760px) {
  .agenda-item .a-d {
    display: block;
  }
}

/* pain cards */
.pain .ico-chip {
  background: linear-gradient(150deg, #dd8f8f, var(--error));
}

/* benefit / value block */
.value {
  padding: 16px 20px;
  margin-top: 22px;
  background: var(--primary-lighter);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.slide--dark .value {
  background: rgba(217, 169, 120, 0.12);
  border-left-color: #d9a978;
}
.value .vlabel {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--primary-darker);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}
.slide--dark .value .vlabel {
  color: #e3b88c;
}
.value p {
  font-size: clamp(15px, 1.7vw, 19px);
  font-weight: 500;
  color: var(--text-primary);
}
.slide--dark .value p {
  color: #f3efe9;
}

/* effort + impact badges */
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
}
.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 15px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  border-radius: 999px;
}
.badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.badge.low {
  color: var(--success-darker, #1f6a3f);
  background: #e9f7ee;
  border-color: #bfe6cd;
}
.badge.low .dot {
  background: var(--success);
}
.badge.mid {
  color: #7a4a15;
  background: #fff2e2;
  border-color: #f3d6ad;
}
.badge.mid .dot {
  background: var(--warning);
}
.badge.high {
  color: #5a3aa0;
  background: #f1ebff;
  border-color: #dccbfa;
}
.badge.high .dot {
  background: #7c5ad0;
}
.badge.time {
  color: var(--text-secondary);
  background: var(--card);
  border-color: var(--border);
}
.slide--dark .badge.low,
.slide--dark .badge.mid,
.slide--dark .badge.high,
.slide--dark .badge.time {
  color: #dfe5ec;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

/* impact dots */
.impact {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.impact i {
  width: 7px;
  height: 7px;
  background: var(--border);
  border-radius: 50%;
}
.impact i.on {
  background: var(--primary);
}
.idea-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
}
.idea-foot .lab {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-placeholder);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Matrix ---------- */
.matrix-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
  margin-top: 6px;
}
@media (min-width: 920px) {
  .matrix-wrap {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
}
.matrix {
  position: relative;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  overflow: visible;
  background:
    linear-gradient(var(--primary-lighter), var(--primary-lighter)) no-repeat,
    var(--card);
  background-size: 100% 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.matrix .axis {
  position: absolute;
  background: var(--border);
}
.matrix .axis.v {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  transform: translateX(-0.5px);
}
.matrix .axis.h {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  transform: translateY(-0.5px);
}
.matrix .qlabel {
  position: absolute;
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-placeholder);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.q-tl {
  top: 0;
  left: 0;
}
.q-tr {
  top: 0;
  right: 0;
  text-align: right;
}
.q-bl {
  bottom: 0;
  left: 0;
}
.q-br {
  right: 0;
  bottom: 0;
  text-align: right;
}
.axis-name {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.ax-y {
  top: 50%;
  left: -12px;
  white-space: nowrap;
  transform: rotate(-90deg) translateX(0);
  transform-origin: left center;
}
.ax-x {
  bottom: -30px;
  left: 50%;
  white-space: nowrap;
  transform: translateX(-50%);
}
.bubble {
  position: absolute;
  width: 18px;
  height: 18px;
  cursor: pointer;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 3px 10px -3px rgba(31, 44, 61, 0.5);
  transform: translate(-50%, 50%);
  transition: transform 0.18s ease;
}
.bubble.core {
  background: var(--primary);
}
.bubble.extra {
  background: var(--secondary);
}
.bubble:hover,
.bubble.active {
  z-index: 5;
  transform: translate(-50%, 50%) scale(1.45);
}
.bubble .tip {
  position: absolute;
  bottom: 140%;
  left: 50%;
  padding: 7px 11px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  color: #fff;
  white-space: nowrap;
  pointer-events: none;
  background: var(--secondary);
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity 0.15s ease;
}
.bubble .tip b {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: #e3b88c;
  letter-spacing: 0.04em;
}
.bubble:hover .tip,
.bubble.active .tip {
  opacity: 1;
}
.legend {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.legend .row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.legend .sw {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 6px -2px rgba(31, 44, 61, 0.5);
}
.legend .sw.core {
  background: var(--primary);
}
.legend .sw.extra {
  background: var(--secondary);
}
.legend .row div b {
  display: block;
  margin-bottom: 2px;
}
.legend .row div span {
  display: block;
  line-height: 1.4;
}
.phase {
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.phase .pn {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--primary-darker);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.phase b {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  color: var(--secondary);
}
.phase span {
  font-size: 14.5px;
  line-height: 1.4;
  color: var(--text-secondary);
}

/* ---------- Calculator ---------- */
.calc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 8px;
}
@media (min-width: 880px) {
  .calc {
    grid-template-columns: 1.05fr 0.95fr;
  }
}
.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 9px;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
}
.field .val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-darker);
}
.field input[type="range"] {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  outline: none;
  background: var(--primary-lighter);
  border-radius: 99px;
}
.field input[type="range"]::-webkit-slider-thumb {
  width: 22px;
  height: 22px;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  background: var(--primary);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 3px 8px -2px rgba(122, 87, 58, 0.7);
}
.field input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  cursor: pointer;
  background: var(--primary);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 3px 8px -2px rgba(122, 87, 58, 0.7);
}
.result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(160deg, #fff, #f4efe9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.result .rlabel {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}
.result .big {
  margin: 6px 0 2px;
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 800;
  line-height: 1;
  color: var(--primary-darker);
  letter-spacing: -0.03em;
}
.result .sub {
  font-size: 14px;
  color: var(--text-secondary);
}
.result hr {
  margin: 20px 0;
  border: none;
  border-top: 1px dashed var(--border);
}
.result .mini {
  display: flex;
  gap: 14px;
  justify-content: space-between;
}
.result .mini div {
  flex: 1;
}
.result .mini .m-v {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 600;
  color: var(--secondary);
}
.result .mini .m-l {
  margin-top: 2px;
  font-size: 13.5px;
  color: var(--text-secondary);
}
.result .note {
  margin-top: 16px;
  font-size: 13.5px;
  font-style: italic;
  line-height: 1.45;
  color: var(--text-placeholder);
}

/* ---------- KPI strip ---------- */
.kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 8px;
}
@media (min-width: 760px) {
  .kpis {
    grid-template-columns: repeat(4, 1fr);
  }
}
.kpi {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.kpi .ico-chip {
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
}
.kpi b {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  color: var(--secondary);
}
.kpi span {
  font-size: 14px;
  color: var(--text-secondary);
}

/* next steps */
.next {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  margin-top: 8px;
}
.next .row {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}
.next .row .n {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
  background: linear-gradient(150deg, #b98a62, var(--primary-darker));
  border-radius: 12px;
}
.next .row b {
  display: block;
  margin-bottom: 2px;
  font-size: clamp(16px, 2vw, 20px);
  color: #fff;
}
.next .row span {
  font-size: 14px;
  color: #c6cdd6;
}
.cta {
  margin-top: 34px;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  color: #fff;
}
.cta .accent {
  color: #e3b88c;
}

/* benchmark proof line */
.bench {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 16px;
}
.bench .bn {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--primary-darker);
  white-space: nowrap;
}
.bench .bx {
  font-size: 15px;
  line-height: 1.42;
  color: var(--text-secondary);
}
.bench .bx em {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-style: normal;
  color: var(--text-placeholder);
  letter-spacing: 0.04em;
}
.slide--dark .bench .bn {
  color: #e3b88c;
}
.slide--dark .bench .bx {
  color: #c6cdd6;
}

/* fineprint / compliance note */
.fineprint {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  max-width: 66ch;
  margin-top: 16px;
  font-size: 14px;
  font-style: italic;
  line-height: 1.45;
  color: var(--text-placeholder);
}
.fineprint svg {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 1px;
  stroke: var(--warning);
}

/* per-card stat + source */
.card-stat {
  padding: 8px 11px;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--primary-darker);
  background: var(--primary-lighter);
  border: 1px solid var(--border);
  border-radius: 9px;
}
.card-stat b {
  font-family: var(--font-mono);
  font-weight: 600;
}
.card-stat em {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-style: normal;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.slide--dark .card-stat {
  color: #e3b88c;
  background: rgba(217, 169, 120, 0.12);
  border-color: rgba(255, 255, 255, 0.14);
}
.slide--dark .card-stat em {
  color: #aeb7c2;
}

/* quick-win lead card */
.card--qw {
  background: linear-gradient(150deg, #fff, #f6efe6);
  border-color: var(--primary);
}
.qw-row {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 8px;
}
.qw-row .ico-chip {
  margin-bottom: 0;
  background: linear-gradient(150deg, #d8a24f, #a9701f);
}
.qw-row h3 {
  margin: 0;
}
.qw-tag {
  display: inline-block;
  padding: 3px 9px;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary-darker);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--primary-lighter);
  border-radius: 999px;
}

/* dashboard mock */
.dash {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: clamp(16px, 2vw, 24px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
@media (min-width: 860px) {
  .dash {
    grid-template-columns: 248px 1fr;
  }
}
.dash-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (min-width: 860px) {
  .dash-kpis {
    grid-template-columns: 1fr;
  }
}
.kpi-tile {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.kpi-tile .kt-l {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}
.kpi-tile .kt-v {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--secondary);
  letter-spacing: -0.02em;
}
.delta {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}
.delta.up {
  color: var(--success);
}
.dash-chart {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.dc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.chart {
  display: block;
  width: 100%;
  height: auto;
}
.chart .grid {
  stroke: var(--border);
  stroke-width: 1;
}
.chart .cdot {
  fill: var(--primary);
  stroke: #fff;
  stroke-width: 2;
}
.months {
  display: flex;
  justify-content: space-between;
  padding: 0 2px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-placeholder);
}
.metric-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 20px;
}
.metric-tags .mtag-lab {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.mtag {
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--primary-darker);
  background: var(--primary-lighter);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.topic {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.3;
  color: var(--secondary);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.topic-lab {
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--primary-darker);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.topic-lab .h {
  color: var(--text-secondary);
  text-transform: none;
  letter-spacing: 0;
}
.chart .cline {
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
}
.slide.active .chart .cline {
  animation: cdraw 1.5s 0.3s cubic-bezier(0.4, 0.1, 0.2, 1) forwards;
}
@keyframes cdraw {
  to {
    stroke-dashoffset: 0;
  }
}
.chart .carea,
.chart .cdot {
  opacity: 0;
}
.slide.active .chart .carea {
  animation: cfade 1s 1s ease forwards;
}
.slide.active .chart .cdot {
  animation: cfade 0.5s 1.2s ease forwards;
}
@keyframes cfade {
  to {
    opacity: 1;
  }
}

/* ---------- Fixed UI ---------- */
.progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  height: 4px;
  background: var(--ui-track);
}
.progress-bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-darker));
  transition: width 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.topbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 32px);
  pointer-events: none;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  pointer-events: auto;
  transition: color 0.5s;
}
.brand .petmark {
  width: 22px;
  height: 22px;
  color: var(--primary);
}
.brand .bt {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ui-fg);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  transition: color 0.5s;
}
.iconbtn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--ui-fg);
  pointer-events: auto;
  cursor: pointer;
  background: var(--ui-pill);
  border: 1px solid var(--ui-pill-border);
  border-radius: 11px;
  transition: 0.25s;
}
.iconbtn:hover {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.controls {
  position: fixed;
  bottom: clamp(16px, 3vh, 26px);
  left: 50%;
  z-index: 40;
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 6px;
  background: var(--ui-pill);
  border: 1px solid var(--ui-pill-border);
  border-radius: 999px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transform: translateX(-50%);
  transition:
    background 0.5s,
    border-color 0.5s;
}
.nav {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  cursor: pointer;
  background: var(--primary);
  border: none;
  border-radius: 50%;
  transition: 0.2s;
}
.nav:hover {
  background: var(--primary-darker);
}
.nav:disabled {
  cursor: default;
  background: var(--primary);
  opacity: 0.32;
}
.nav.nav-ghost {
  width: 38px;
  height: 38px;
  color: var(--ui-fg);
  background: transparent;
}
.nav.nav-ghost:hover {
  color: var(--ui-fg);
  background: var(--ui-track);
}
.counter {
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ui-fg);
  text-align: center;
  letter-spacing: 0.04em;
  transition: color 0.5s;
}
.dots {
  position: fixed;
  top: 50%;
  right: clamp(14px, 3vw, 26px);
  z-index: 40;
  display: none;
  flex-direction: column;
  gap: 11px;
  transform: translateY(-50%);
}
@media (min-width: 1024px) {
  .dots {
    display: flex;
  }
}
.dots button {
  width: 9px;
  height: 9px;
  padding: 0;
  cursor: pointer;
  background: var(--ui-track);
  border: none;
  border-radius: 50%;
  transition: 0.25s;
}
.dots button.on {
  background: var(--primary);
  transform: scale(1.35);
}

/* scrollbar */
.slide::-webkit-scrollbar {
  width: 8px;
}
.slide::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 8px;
}

@media (max-width: 680px) {
  .g-2,
  .g-3,
  .g-4 {
    grid-template-columns: 1fr;
  }
  .slide-inner {
    padding-top: 72px;
  }
  .ax-y {
    display: none;
  }
  .cover-hint {
    display: none;
  }
}
@media (min-width: 681px) and (max-width: 919px) {
  .g-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .g-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-mark {
    animation: none;
  }
  .slide {
    transition: opacity 0.2s ease;
  }
  .chart .cline {
    stroke-dashoffset: 0;
    animation: none;
  }
  .chart .carea,
  .chart .cdot {
    opacity: 1;
    animation: none;
  }
}

/* ---------- contrast tuning ---------- */
.qlabel {
  color: var(--text-secondary);
}
.months,
.idea-foot .lab {
  color: var(--text-secondary);
}
.result .note {
  color: var(--text-secondary);
}
.bench .bx em {
  color: var(--text-secondary);
}
.fineprint {
  color: #6e6a64;
}
.delta.up {
  color: #1f6a3f;
}
.cover-hint {
  color: #b3bdc9;
}
.slide--dark .qlabel {
  color: #aab6c2;
}
.brand {
  cursor: pointer;
}
.topbar-actions {
  display: flex;
  gap: 10px;
}

/* ---------- large screens / TV ---------- */
@media (min-width: 1600px) {
  .slide-inner {
    max-width: 1480px;
    padding-bottom: clamp(120px, 12vh, 200px);
  }
  h1 {
    font-size: 104px;
  }
  h2 {
    font-size: 60px;
  }
  .lead {
    font-size: 25px;
  }
  .takeaway {
    font-size: 38px;
  }
  .card p,
  .steps li,
  .value p,
  .slide-inner > p {
    font-size: 21px;
  }
  .card h3,
  h3 {
    font-size: 25px;
  }
  .eyebrow {
    font-size: 15px;
  }
  .mtag,
  .card-stat,
  .badge,
  .bench .bx {
    font-size: 16px;
  }
  .fineprint,
  .result .note,
  .phase span {
    font-size: 15px;
  }
}
@media (min-width: 2200px) {
  .slide-inner {
    max-width: 1900px;
  }
  body {
    font-size: 19px;
  }
  h1 {
    font-size: 138px;
  }
  h2 {
    font-size: 84px;
  }
  .lead {
    font-size: 31px;
  }
  .takeaway {
    font-size: 50px;
  }
  .card p,
  .steps li,
  .value p,
  .slide-inner > p {
    font-size: 25px;
  }
  .card h3,
  h3 {
    font-size: 30px;
  }
  .eyebrow {
    font-size: 18px;
  }
  .feat-no {
    font-size: 96px;
  }
  .kpi-tile .kt-v {
    font-size: 42px;
  }
}

/* ---------- multi-page additions ---------- */
.dots a {
  display: block;
  width: 9px;
  height: 9px;
  background: var(--ui-track);
  border-radius: 50%;
  transition: 0.25s;
}
.dots a.on {
  background: var(--primary);
  transform: scale(1.35);
}
@media not (prefers-reduced-motion: reduce) {
  @view-transition {
    navigation: auto;
  }
}

/* ---------- no-JS fallback navigation ---------- */
.nojs-nav {
  position: fixed;
  bottom: clamp(16px, 3vh, 26px);
  left: 50%;
  z-index: 40;
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 12px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ui-fg);
  background: var(--ui-pill);
  border: 1px solid var(--ui-pill-border);
  border-radius: 999px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transform: translateX(-50%);
}
.nojs-nav a {
  font-weight: 600;
  color: var(--primary-darker);
  text-decoration: none;
}
.nojs-nav a:hover {
  text-decoration: underline;
}
.nojs-nav .nn-pos {
  letter-spacing: 0.04em;
}
body.on-dark .nojs-nav a {
  color: #e3b88c;
}
.slide-inner p a {
  font-weight: 600;
  color: var(--primary-darker);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.slide--dark .slide-inner p a {
  color: #e3b88c;
}

/* ---------- design & readability pass ---------- */
/* slightly darker secondary text for better contrast on light slides */
:root {
  --text-secondary: #645f58;
}

/* balanced headline wrapping */
h1,
h2,
.takeaway {
  text-wrap: balance;
}

/* agenda as a clickable table of contents */
a.agenda-item {
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease;
}
a.agenda-item:hover {
  background: rgba(165, 122, 85, 0.07);
}
a.agenda-item:hover .a-t {
  color: var(--primary-darker);
}

/* slide-name tooltips on the side dots */
.dots a {
  position: relative;
}
.dots a::after {
  position: absolute;
  top: 50%;
  right: 20px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #fff;
  letter-spacing: 0.03em;
  white-space: nowrap;
  pointer-events: none;
  content: attr(aria-label);
  background: var(--secondary);
  border-radius: 7px;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 0.15s ease;
}
.dots a:hover::after {
  opacity: 1;
}

/* directional slide transitions (SPA): forward enters from the right, back from the left */
.slide.enter-fwd:not(.active) {
  transform: translateX(46px) scale(0.992);
}
.slide.enter-back:not(.active) {
  transform: translateX(-46px) scale(0.992);
}
.slide.exit-fwd {
  transform: translateX(-36px) scale(0.992);
}
.slide.exit-back {
  transform: translateX(36px) scale(0.992);
}
@media (prefers-reduced-motion: reduce) {
  .slide.enter-fwd:not(.active),
  .slide.enter-back:not(.active),
  .slide.exit-fwd,
  .slide.exit-back {
    transform: none;
  }
}

/* highlight the quick-wins quadrant of the matrix */
.matrix::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: radial-gradient(
    60% 60% at 18% 18%,
    rgba(165, 122, 85, 0.16),
    transparent 70%
  );
  border-radius: inherit;
}

/* summary table */
.sum-wrap {
  margin-top: 10px;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.sum {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
}
.sum th {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}
.sum td {
  padding: 13px 18px;
  font-size: clamp(14px, 1.6vw, 17px);
  vertical-align: middle;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.sum tbody tr {
  transition: background 0.15s ease;
}
.sum tbody tr:hover {
  background: rgba(165, 122, 85, 0.06);
}
.sum td a {
  font-weight: 700;
  color: var(--secondary);
  text-decoration: none;
  border-bottom: 1px dotted var(--border);
}
.sum td a:hover {
  color: var(--primary-darker);
  border-bottom-color: var(--primary);
}
.sum .sn {
  width: 52px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary-darker);
}
.sum .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--secondary);
  white-space: nowrap;
}
.sum tr.hl {
  background: var(--primary-lighter);
}
.sum tr.hl:hover {
  background: var(--primary-lighter);
}
.sum tfoot td {
  font-weight: 700;
  color: var(--secondary);
  border-top: 2px solid var(--border);
  border-bottom: none;
}
@media (min-width: 1600px) {
  .sum th {
    font-size: 13.5px;
  }
  .sum td {
    font-size: 18px;
  }
}

/* ---------- summary table on the dark closing slide ---------- */
.slide--dark .sum-wrap {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}
.slide--dark .sum th {
  color: #aeb7c2;
  border-bottom-color: rgba(255, 255, 255, 0.16);
}
.slide--dark .sum td {
  color: #c6cdd6;
  border-bottom-color: rgba(255, 255, 255, 0.12);
}
.slide--dark .sum td a {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.28);
}
.slide--dark .sum td a:hover {
  color: #e3b88c;
  border-bottom-color: #e3b88c;
}
.slide--dark .sum .sn {
  color: #d9a978;
}
.slide--dark .sum .mono {
  color: #f3efe9;
}
.slide--dark .sum tbody tr:hover {
  background: rgba(255, 255, 255, 0.05);
}
.slide--dark .sum tr.hl {
  background: rgba(217, 169, 120, 0.16);
}
.slide--dark .sum tr.hl:hover {
  background: rgba(217, 169, 120, 0.16);
}
.slide--dark .sum tfoot td {
  color: #fff;
  border-top-color: rgba(255, 255, 255, 0.22);
}

/* logo on the cover: keep the petal fade-in, no spinning */
.hero-mark {
  animation: none;
}

/* pricing facts panel: price, effort and graphics need in one scannable card */
.facts {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  max-width: 680px;
  margin-top: 18px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.fact {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  padding: 13px 18px;
}
.fact + .fact {
  border-left: 1px solid var(--border);
}
.f-l {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.f-v {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: clamp(16px, 1.8vw, 21px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--secondary);
}
.fact.price .f-v {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 700;
  color: var(--primary-darker);
  white-space: nowrap;
}
.f-s {
  font-size: 12.5px;
  line-height: 1.35;
  color: var(--text-secondary);
}
.f-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.f-dot.low {
  background: var(--success);
}
.f-dot.mid {
  background: var(--warning);
}
.f-dot.high {
  background: #7c5ad0;
}
@media (max-width: 880px) {
  .facts {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
  .fact + .fact {
    border-top: 1px solid var(--border);
    border-left: none;
  }
}

/* summary table: graphics column + orientation weeks under the hours */
.sum .gfx-cell {
  font-size: 13.5px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.slide--dark .sum .gfx-cell {
  color: #aeb7c2;
}
.sum .sub {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
}
.slide--dark .sum .sub {
  color: #8d97a3;
}

/* price line on opportunity cards */
.card-price {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary-darker);
}

/* mobile UX: calm app-like reading — no double-tap zoom, tap flashes or long-press
   link menus (pull-to-refresh and text selection/copy intentionally stay on) */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  touch-action: manipulation;
}
body {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}