@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --ink: #101010;
  --paper: #f7f5f0;
  --muted-dark: #a9a9a3;
  --muted-light: #6f6d67;
  --line-dark: #32322f;
  --line-light: #d7d3ca;
  --accent: #d8ff3e;
  --page-pad: clamp(1.4rem, 5vw, 5rem);
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: "Manrope", Arial, sans-serif;
  overflow-x: hidden;
}

.is-locked { overflow: hidden; }
.is-locked .deck { visibility: hidden; height: 100svh; overflow: hidden; }
.access-gate {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: max(1.5rem, env(safe-area-inset-top)) max(1.35rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(1.35rem, env(safe-area-inset-left));
  background: var(--ink);
  color: var(--paper);
}
.access-gate[hidden] { display: none; }
.access-panel { width: min(100%, 39rem); }
.access-eyebrow {
  margin: 0 0 clamp(2rem, 7vh, 4rem);
  color: var(--accent);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .13em;
}
.access-panel h1 { margin-bottom: 1.2rem; }
.access-copy { margin: 0 0 clamp(2.2rem, 6vh, 3.5rem); color: #b8b7b0; font-size: clamp(1rem, 2vw, 1.25rem); }
.access-panel label {
  display: block;
  margin-bottom: .7rem;
  color: #85857e;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .13em;
}
.access-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
.access-controls input,
.access-controls button {
  min-height: 3.5rem;
  border: 1px solid #454541;
  border-radius: 0;
  font: inherit;
}
.access-controls input {
  min-width: 0;
  padding: 0 1rem;
  border-right: 0;
  outline: none;
  background: #181817;
  color: var(--paper);
  font-size: 1.05rem;
}
.access-controls input:focus { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.access-controls button {
  padding: 0 1.3rem;
  border-color: var(--accent);
  background: var(--accent);
  color: var(--ink);
  cursor: pointer;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .08em;
}
.access-controls button:hover { background: #e3ff73; }
.access-error { min-height: 1.4rem; margin: .75rem 0 0; color: #ff725f; font-size: .8rem; }

.deck { width: 100%; }
.slide {
  position: relative;
  min-height: 100svh;
  padding: max(2rem, env(safe-area-inset-top)) var(--page-pad) max(4.5rem, calc(3rem + env(safe-area-inset-bottom)));
}
.slide-inner { width: min(100%, 1240px); margin: 0 auto; }
.slide-strategy { background: var(--ink); color: var(--paper); }
.slide-cascade { background: #ebe8e0; color: var(--ink); }
.slide-investment { background: var(--paper); color: var(--ink); }
.slide-packages { background: var(--ink); color: var(--paper); }
.slide + .slide { border-top: 1px solid var(--line-dark); }

.eyebrow,
.index,
.slide-number,
.budget-label {
  font-family: "DM Mono", ui-monospace, monospace;
  font-weight: 500;
  letter-spacing: .13em;
}
.eyebrow {
  margin: 0 0 clamp(2.4rem, 8vh, 5rem);
  color: var(--accent);
  font-size: clamp(.68rem, 1vw, .82rem);
}
.slide-cascade .eyebrow,
.slide-investment .eyebrow { color: #637900; }

h1, h2, p { margin-top: 0; }
h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(3rem, 9vw, 7.8rem);
  line-height: .88;
  letter-spacing: -.075em;
}
h2 {
  margin: 0 0 .55rem;
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 1.15;
  letter-spacing: -.035em;
}
p, li {
  font-size: clamp(.96rem, 1.4vw, 1.16rem);
  line-height: 1.5;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(13rem, 20rem);
  align-items: center;
  gap: clamp(2rem, 8vw, 8rem);
  padding-bottom: clamp(2.2rem, 7vh, 4.6rem);
  border-bottom: 1px solid var(--line-dark);
}
.hero-copy { max-width: 48rem; }
.hero .lead {
  margin: 0 0 1.4rem;
  color: #d3d2cc;
  font-size: clamp(1.05rem, 1.8vw, 1.42rem);
  line-height: 1.45;
  max-width: 34rem;
}
.spotify-link {
  display: inline-block;
  padding-bottom: .28rem;
  border-bottom: 1px solid var(--accent);
  color: var(--accent);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-decoration: none;
}
.cover-link { display: block; width: 100%; }
.cover-link img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  box-shadow: 0 1.2rem 3.5rem rgba(0, 0, 0, .35);
}

.playlist-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(16rem, .65fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  padding: clamp(1.8rem, 4vw, 3.2rem) 0;
  border-bottom: 1px solid var(--line-dark);
}
.playlist-statement .index { margin-bottom: .85rem; color: var(--accent); }
.playlist-statement h2 { font-size: clamp(1.8rem, 3.3vw, 3.15rem); }
.playlist-statement > p:last-child { margin: 0; max-width: 58rem; color: #bdbcb5; }
.playlist-stat {
  padding-left: clamp(1.5rem, 4vw, 3.5rem);
  border-left: 1px solid var(--line-dark);
}
.playlist-stat strong {
  display: block;
  color: var(--accent);
  font-size: clamp(3.4rem, 7vw, 6.5rem);
  line-height: .88;
  letter-spacing: -.07em;
}
.playlist-stat span {
  display: block;
  margin-top: .8rem;
  max-width: 24ch;
  color: #d3d2cc;
  font-size: clamp(.88rem, 1.3vw, 1.06rem);
  line-height: 1.4;
}

.strategy-grid { display: grid; grid-template-columns: 1fr 1fr; }
.strategy-item {
  display: grid;
  grid-template-columns: 2.3rem 1fr;
  gap: 1rem;
  padding: clamp(1.5rem, 3vw, 2.4rem) clamp(1.2rem, 3vw, 2.5rem) clamp(1.5rem, 3vw, 2.4rem) 0;
}
.strategy-item:nth-child(2) {
  border-left: 1px solid var(--line-dark);
  padding-left: clamp(1.2rem, 3vw, 2.5rem);
}
.strategy-item.benchmarks {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line-dark);
  padding-right: 0;
}
.index { margin: .2rem 0 0; color: #85857e; font-size: .72rem; }
.strategy-item p { margin-bottom: .6rem; color: #bdbcb5; max-width: 44ch; }
.strategy-item .highlight { margin: .85rem 0 0; color: var(--paper); }
.context { margin-top: -.15rem; }
.benchmark-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 5vw, 5rem); margin-top: 1.25rem; }
.benchmark { display: grid; align-content: start; }
.benchmark strong { color: var(--accent); font-size: clamp(2.25rem, 5vw, 4.2rem); line-height: .95; letter-spacing: -.06em; }
.benchmark span { margin-top: .35rem; color: var(--paper); font-weight: 700; font-size: clamp(.85rem, 1.4vw, 1.05rem); }
.benchmark small { margin-top: .35rem; color: #96968f; font-size: clamp(.76rem, 1.1vw, .9rem); line-height: 1.4; }

.cascade-heading h1 { max-width: 13ch; font-size: clamp(2.75rem, 6.5vw, 5.9rem); }
.cascade-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(.6rem, 1.4vw, 1.4rem);
  align-items: stretch;
  padding: clamp(2rem, 5vw, 4rem) 0;
  border-bottom: 1px solid #cbc7bd;
}
.cascade-node {
  min-height: 12rem;
  padding: clamp(1.2rem, 2.4vw, 2rem);
  border: 1px solid #cbc7bd;
  background: rgba(247, 245, 240, .55);
}
.cascade-node .index { margin: 0 0 clamp(2.2rem, 5vh, 4.2rem); color: #77746c; }
.cascade-node strong {
  display: block;
  font-size: clamp(1.45rem, 2.9vw, 2.65rem);
  line-height: .95;
  letter-spacing: -.055em;
}
.cascade-node span {
  display: block;
  margin-top: .7rem;
  color: var(--muted-light);
  font-size: clamp(.76rem, 1vw, .9rem);
  line-height: 1.4;
}
.cascade-node-highlight { border-color: #96ad2b; background: var(--accent); }
.cascade-node-highlight .index,
.cascade-node-highlight span { color: #536400; }
.cascade-node-chart { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.cascade-node-chart .index { color: var(--accent); }
.cascade-node-chart span { color: #bbb9b1; }
.cascade-arrow {
  display: grid;
  place-items: center;
  color: #77746c;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: clamp(1rem, 1.7vw, 1.5rem);
}
.cascade-bottom {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2.5rem, 8vw, 8rem);
  padding-top: clamp(2rem, 5vw, 3.8rem);
}
.cascade-explanation > p:last-child { margin: 1rem 0 0; color: var(--muted-light); }
.cascade-explanation strong { color: var(--ink); }
.cascade-benchmarks .benchmark-row { margin-top: 1rem; }
.slide-cascade .benchmark strong { color: #637900; }
.slide-cascade .benchmark span { color: var(--ink); }
.slide-cascade .benchmark small { color: var(--muted-light); }

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
  padding-bottom: clamp(2rem, 6vh, 4rem);
  border-bottom: 1px solid var(--line-light);
}
.section-heading h1 { max-width: 12ch; font-size: clamp(2.8rem, 7vw, 6.4rem); }
.section-heading > p { margin: 0 0 .4rem; color: var(--muted-light); font-size: clamp(1rem, 1.65vw, 1.35rem); max-width: 35rem; }

.metrics {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  border-bottom: 1px solid var(--line-light);
}
.metrics article {
  padding: clamp(1.6rem, 3.2vw, 2.8rem) clamp(1rem, 3vw, 2.5rem) clamp(1.6rem, 3.2vw, 2.8rem) 0;
}
.metrics article + article {
  border-left: 1px solid var(--line-light);
  padding-left: clamp(1rem, 3vw, 2.5rem);
}
.metrics strong { display: block; font-size: clamp(2rem, 4.3vw, 4rem); line-height: 1; letter-spacing: -.06em; }
.metrics span { display: block; margin-top: .65rem; color: var(--muted-light); font-size: clamp(.82rem, 1.25vw, 1rem); line-height: 1.4; max-width: 24ch; }

.chart-path {
  display: grid;
  grid-template-columns: minmax(9rem, .35fr) minmax(0, 1.65fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: start;
  padding: clamp(1.35rem, 2.8vw, 2.15rem) 0;
  border-bottom: 1px solid var(--line-light);
}
.chart-path-label {
  margin: .3rem 0 0;
  color: #637900;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: clamp(.62rem, .85vw, .72rem);
  font-weight: 500;
  letter-spacing: .13em;
}
.chart-path > p:last-child {
  margin: 0;
  max-width: 58rem;
  color: var(--muted-light);
  font-size: clamp(.98rem, 1.5vw, 1.25rem);
  line-height: 1.48;
}
.chart-path strong { color: var(--ink); font-weight: 800; }

.activation-budget { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 8vw, 8rem); align-items: center; padding-top: clamp(2rem, 5vh, 3.5rem); }
.activation-budget.activation-only { display: block; }
.activation-only .activation ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2rem); }
.activation-only .activation li { padding: .8rem 0; }
.activation h2 { margin-bottom: 1rem; }
.activation ul { list-style: none; padding: 0; margin: 0; }
.activation li { padding: .48rem 0; border-bottom: 1px solid var(--line-light); }
.activation li::before { content: "+"; color: #708800; margin-right: .65rem; font-weight: 800; }
.budget { background: var(--accent); padding: clamp(1.6rem, 4vw, 3.2rem); }
.budget-label { margin-bottom: 1.2rem; color: #536400; font-size: .7rem; }
.budget-value { display: flex; align-items: flex-start; gap: .7rem; margin: 0; font-size: clamp(3.6rem, 9vw, 8.5rem); font-weight: 800; line-height: .8; letter-spacing: -.08em; }
.budget-value span { margin-top: .22em; font-family: "DM Mono", monospace; font-size: .18em; letter-spacing: .04em; }
.budget-scope { margin: 1.15rem 0 0; font-weight: 700; font-size: clamp(.88rem, 1.25vw, 1rem); }

.package-heading { border-bottom-color: var(--line-dark); }
.package-heading h1 { max-width: 11ch; font-size: clamp(2.9rem, 7vw, 6.4rem); }
.package-heading > p { color: #b5b4ad; }
.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.2vw, 1.8rem);
  padding-top: clamp(2rem, 5vw, 4rem);
}
.package-card {
  display: flex;
  flex-direction: column;
  min-height: 34rem;
  padding: clamp(1.4rem, 2.7vw, 2.3rem);
  border: 1px solid var(--line-dark);
  background: #171716;
}
.package-card-featured {
  border-color: var(--accent);
  box-shadow: inset 0 .32rem 0 var(--accent);
}
.package-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: clamp(2.2rem, 5vh, 4rem);
}
.package-index,
.package-tag {
  margin: 0;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: clamp(.6rem, .75vw, .68rem);
  font-weight: 500;
  letter-spacing: .12em;
}
.package-index { color: #777770; }
.package-tag { color: var(--accent); text-align: right; }
.package-price {
  display: flex;
  align-items: flex-start;
  gap: .45rem;
  margin: 0 0 1.2rem;
  color: var(--paper);
  font-size: clamp(3.1rem, 5.5vw, 5.4rem);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.075em;
}
.package-price span {
  margin-top: .18em;
  color: var(--accent);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: .2em;
  letter-spacing: .04em;
}
.package-channel { padding-top: 1.15rem; border-top: 1px solid var(--line-dark); }
.package-channel + .package-channel { margin-top: 1.25rem; }
.package-channel-label {
  margin: 0 0 .8rem;
  color: var(--accent);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: clamp(.58rem, .72vw, .66rem);
  font-weight: 500;
  letter-spacing: .11em;
}
.package-duration {
  margin: 0;
  color: #b9b8b1;
  font-size: clamp(.88rem, 1.15vw, 1rem);
}
.package-duration strong { display: block; color: var(--paper); font-size: 1.25em; }
.package-channel-detail {
  margin: .7rem 0 0;
  color: #85857e;
  font-size: clamp(.72rem, .9vw, .82rem);
  line-height: 1.4;
}
.package-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.package-card li {
  padding: .62rem 0;
  border-bottom: 1px solid var(--line-dark);
  color: #adaca5;
  font-size: clamp(.78rem, 1vw, .9rem);
}
.package-card li strong { color: var(--paper); }
.package-outcome {
  margin: auto 0 0;
  padding-top: 1.5rem;
  color: #d1d0c9;
  font-size: clamp(.8rem, 1vw, .92rem);
  font-weight: 600;
}
.package-card-featured .package-outcome { color: var(--accent); }
.package-footnote {
  margin: clamp(1.5rem, 4vh, 2.8rem) 0 0;
  max-width: 105ch;
  color: #85857e;
  font-size: clamp(.68rem, .85vw, .78rem);
  line-height: 1.45;
}

.disclaimer { margin: clamp(1.5rem, 4vh, 2.8rem) 0 0; max-width: 100ch; color: #85857f; font-size: clamp(.68rem, .85vw, .78rem); line-height: 1.45; }
.slide-investment .disclaimer { color: #79766f; }
.slide-number { position: absolute; right: var(--page-pad); bottom: max(1.5rem, env(safe-area-inset-bottom)); margin: 0; color: #75756f; font-size: .65rem; }
.slide-investment .slide-number { color: #8c8981; }

@media (max-width: 720px) {
  :root { --page-pad: 1.35rem; }
  .slide { min-height: auto; padding-top: max(1.5rem, env(safe-area-inset-top)); padding-bottom: max(4.7rem, calc(3.5rem + env(safe-area-inset-bottom))); }
  .eyebrow { margin-bottom: 2.8rem; font-size: .61rem; }
  .hero, .section-heading { grid-template-columns: 1fr; gap: 1.35rem; align-items: start; }
  .hero .cover-link { width: min(100%, 23rem); }
  h1 { font-size: clamp(3.25rem, 17vw, 5rem); }
  .hero .lead, .section-heading > p { margin: 0; font-size: 1rem; }
  .playlist-intro { grid-template-columns: 1fr; gap: 1.6rem; padding: 1.8rem 0; }
  .playlist-stat { padding: 1.5rem 0 0; border-top: 1px solid var(--line-dark); border-left: 0; }
  .playlist-stat strong { font-size: clamp(3.8rem, 20vw, 5.7rem); }
  .strategy-grid { grid-template-columns: 1fr; }
  .strategy-item,
  .strategy-item:nth-child(2),
  .strategy-item.benchmarks {
    grid-column: auto;
    border-left: 0;
    border-top: 1px solid var(--line-dark);
    padding: 1.6rem 0;
  }
  .strategy-item:first-child { border-top: 0; }
  .benchmark-row { gap: 1.25rem; }
  .benchmark strong { font-size: clamp(2.15rem, 11vw, 3rem); }
  .cascade-heading h1 { font-size: clamp(2.85rem, 14vw, 4.5rem); }
  .cascade-flow { grid-template-columns: 1fr; gap: .65rem; padding: 1.8rem 0; }
  .cascade-node { min-height: 0; padding: 1.25rem; }
  .cascade-node .index { margin-bottom: 1.8rem; }
  .cascade-node strong { font-size: clamp(1.8rem, 9vw, 2.65rem); }
  .cascade-arrow { min-height: 1.5rem; transform: rotate(90deg); }
  .cascade-bottom { grid-template-columns: 1fr; gap: 2rem; padding-top: 1.8rem; }
  .cascade-benchmarks { padding-top: 1.7rem; border-top: 1px solid #cbc7bd; }
  .metrics { grid-template-columns: 1fr; }
  .metrics article,
  .metrics article + article { border-left: 0; border-top: 1px solid var(--line-light); padding: 1.45rem 0; }
  .metrics article:first-child { border-top: 0; }
  .metrics strong { font-size: clamp(2.55rem, 13vw, 3.7rem); }
  .metrics span { max-width: 32ch; }
  .chart-path { grid-template-columns: 1fr; gap: .7rem; padding: 1.45rem 0 1.65rem; }
  .chart-path-label { margin: 0; }
  .chart-path > p:last-child { font-size: 1rem; }
  .activation-budget { grid-template-columns: 1fr; gap: 2rem; }
  .activation-only .activation ul { grid-template-columns: 1fr; gap: 0; }
  .budget { margin-inline: calc(var(--page-pad) * -1); padding-inline: var(--page-pad); }
  .budget-value { font-size: clamp(4rem, 20vw, 5.7rem); }
  .package-heading h1 { font-size: clamp(2.85rem, 14vw, 4.5rem); }
  .package-grid { grid-template-columns: 1fr; gap: 1rem; padding-top: 1.8rem; }
  .package-card { min-height: 0; padding: 1.4rem; }
  .package-topline { margin-bottom: 2.4rem; }
  .package-price { font-size: clamp(3.8rem, 19vw, 5.2rem); }
  .package-duration { min-height: 0; }
  .package-outcome { margin-top: 1.5rem; }
  .disclaimer { padding-right: 2.8rem; }
  .access-controls { grid-template-columns: 1fr; gap: .7rem; }
  .access-controls input { border-right: 1px solid #454541; }
  .access-controls button { width: 100%; }
}

@media (min-width: 721px) and (max-height: 800px) {
  .slide { padding-top: 2rem; padding-bottom: 3.5rem; }
  .eyebrow { margin-bottom: 2rem; }
  .hero, .section-heading { padding-bottom: 1.6rem; }
  .strategy-item { padding-top: 1.3rem; padding-bottom: 1.3rem; }
  .metrics article { padding-top: 1.4rem; padding-bottom: 1.4rem; }
  .activation-budget { padding-top: 1.5rem; }
  .disclaimer { margin-top: 1.2rem; }
}

@media print {
  @page { size: landscape; margin: 0; }
  .slide { min-height: 100vh; break-after: page; }
}