:root {
  --ro-red: #e54b3f;
  --ro-orange: #f39a27;
  --ro-orange-soft: #ffd9ad;
  --ro-coral-soft: #f8c7bf;
  --ink: #181818;
  --muted: #66635f;
  --paper: #ffffff;
  --warm: #f5f2ee;
  --warm-2: #eee9e3;
  --line: rgba(24, 24, 24, .14);
  --shadow: 0 24px 70px rgba(30, 24, 20, .14);
  --header-height: 62px;
  --controls-space: 84px;
}

* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; }
html { background: var(--warm); }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 7%, rgba(229, 75, 63, .10), transparent 25rem),
    radial-gradient(circle at 94% 92%, rgba(243, 154, 39, .13), transparent 28rem),
    var(--warm);
  overflow: hidden;
}
button, a { font: inherit; }

.brand-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 clamp(20px, 3.4vw, 52px);
  background: rgba(245, 242, 238, .93);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(24,24,24,.08);
}
.brand-wordmark {
  display: inline-flex;
  align-items: baseline;
  font-size: 21px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -.045em;
  white-space: nowrap;
}
.brand-wordmark .red { color: var(--ro-red); }
.brand-wordmark .orange { color: var(--ro-orange); }
.brand-context {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: #77716c;
  white-space: nowrap;
}

.deck {
  position: fixed;
  inset: var(--header-height) 0 0;
}
.slide {
  position: absolute;
  inset: 0;
  display: none;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding: clamp(18px, 3vw, 44px) clamp(18px, 4vw, 58px) calc(var(--controls-space) + 22px);
}
.slide.is-active { display: block; }

.slide-inner {
  position: relative;
  width: min(1180px, 100%);
  min-height: calc(100svh - var(--header-height) - var(--controls-space) - clamp(36px, 6vw, 88px));
  margin: 0 auto;
  padding: clamp(28px, 4.4vw, 64px);
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(255,255,255,.85);
  border-radius: clamp(20px, 2.4vw, 30px);
  box-shadow: var(--shadow);
  overflow: visible;
}
.slide-inner::after {
  content: "";
  position: absolute;
  pointer-events: none;
  width: 110px;
  height: 8px;
  top: 0;
  left: clamp(28px, 4.4vw, 64px);
  border-radius: 0 0 99px 99px;
  background: linear-gradient(90deg, var(--ro-red), var(--ro-orange));
}

.title-slide .slide-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(118deg, rgba(255,255,255,.98), rgba(255,247,239,.94)),
    var(--paper);
  isolation: isolate;
}
.title-slide .slide-inner::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -12%;
  bottom: -35%;
  width: min(55vw, 620px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(229,75,63,.18), rgba(243,154,39,.29));
}
.accent {
  position: absolute;
  pointer-events: none;
  right: -9vw;
  bottom: -10vw;
  width: 30vw;
  max-width: 440px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(229,75,63,.10), rgba(243,154,39,.22));
  z-index: 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--ro-red);
  text-transform: uppercase;
  letter-spacing: .13em;
  font-weight: 800;
  font-size: clamp(12px, 1vw, 15px);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 960px;
  font-size: clamp(48px, 8.5vw, 102px);
  line-height: .92;
  letter-spacing: -.055em;
  margin-bottom: 22px;
}
h2 {
  max-width: 930px;
  font-size: clamp(32px, 4.5vw, 60px);
  line-height: 1.02;
  letter-spacing: -.045em;
  margin-bottom: clamp(24px, 3vw, 36px);
}
h3 {
  font-size: clamp(21px, 2vw, 30px);
  line-height: 1.08;
  letter-spacing: -.025em;
  margin-bottom: 12px;
}
.subtitle, .lead {
  max-width: 880px;
  font-size: clamp(20px, 2vw, 31px);
  line-height: 1.28;
  color: #37332f;
}
.subtitle { margin-bottom: 32px; }
.meta, .note, .final-line {
  color: var(--muted);
  font-size: clamp(15px, 1.25vw, 20px);
  line-height: 1.45;
}
.meta { margin-bottom: 0; }

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
}
.statement {
  position: relative;
  padding: clamp(28px, 3.5vw, 42px);
  background: linear-gradient(135deg, #fff8f4, #fff2e4);
  border: 1px solid rgba(229,75,63,.13);
  border-radius: 24px;
}
.statement::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  border-radius: 24px 0 0 24px;
  background: linear-gradient(var(--ro-red), var(--ro-orange));
}
.statement .kicker {
  display: block;
  color: var(--ro-red);
  text-transform: uppercase;
  letter-spacing: .10em;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 12px;
}
.statement strong {
  display: block;
  font-size: clamp(32px, 4vw, 54px);
  line-height: .98;
  letter-spacing: -.04em;
  margin-bottom: 16px;
}
.statement p {
  font-size: clamp(17px, 1.55vw, 23px);
  line-height: 1.4;
  margin-bottom: 0;
  color: #48413b;
}

.columns-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 2.4vw, 32px);
  margin-top: 16px;
}
.columns-3 article,
.matrix div,
.quality-list div {
  position: relative;
  padding: 26px 22px 22px;
  background: #fbfaf8;
  border: 1px solid rgba(24,24,24,.08);
  border-radius: 18px;
}
.columns-3 article::before,
.matrix div::before,
.quality-list div::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 64px;
  height: 5px;
  border-radius: 0 0 8px 8px;
  background: linear-gradient(90deg, var(--ro-red), var(--ro-orange));
}
.columns-3 p,
.matrix p,
.quality-list p,
.pathways p,
.split-list li,
.timeline span {
  font-size: clamp(16px, 1.35vw, 21px);
  line-height: 1.43;
  color: #484440;
}
.columns-3 p, .matrix p, .quality-list p { margin-bottom: 0; }
.note { margin: 34px 0 0; }

.split-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 58px);
  margin-top: 8px;
}
ul { margin: 0; padding-left: 23px; }
li { margin-bottom: 16px; }
li::marker { color: var(--ro-red); }

.pathways { display: grid; gap: 8px; }
.pathways div {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.pathways div:last-child { border-bottom: 0; }
.pathways span {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ro-red), var(--ro-orange));
  color: #fff;
  font-weight: 800;
  font-size: 21px;
  box-shadow: 0 8px 20px rgba(229,75,63,.17);
}
.pathways p { margin: 0; font-size: clamp(19px, 1.8vw, 27px); }

.matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 10px;
}
.matrix strong,
.quality-list strong {
  display: block;
  font-size: clamp(22px, 2.2vw, 33px);
  line-height: 1.08;
  letter-spacing: -.025em;
  margin-bottom: 10px;
}
.quality-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 14px;
}

.timeline {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  gap: 0;
}
.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0 24px 76px;
  border-bottom: 1px solid var(--line);
  margin: 0;
}
.timeline li:last-child { border-bottom: 0; }
.timeline li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--ro-red), var(--ro-orange));
  font-weight: 800;
  font-size: 20px;
}
.timeline strong {
  font-size: clamp(21px, 2vw, 31px);
  line-height: 1.12;
  letter-spacing: -.025em;
}
.timeline span { align-self: center; }

.closing {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.final-line {
  max-width: 900px;
  margin: 20px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-weight: 700;
  color: #3b3632;
}

.controls {
  position: fixed;
  z-index: 40;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #fff;
  background: rgba(24,24,24,.91);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 34px rgba(24,24,24,.23);
}
.control {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0 0 3px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ro-red), var(--ro-orange));
  color: #fff;
  font-size: 29px;
  line-height: 1;
  cursor: pointer;
}
.control:hover:not(:disabled) { filter: brightness(1.06); }
.control:disabled { opacity: .38; cursor: default; }
.control:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}
.counter {
  min-width: 64px;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
  color: #fff;
}

@media (max-width: 920px) {
  .two-col,
  .columns-3,
  .split-list,
  .matrix,
  .quality-list { grid-template-columns: 1fr; }
  .two-col { align-items: start; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; }
  .title-slide .slide-inner::before { width: 70vw; right: -28%; bottom: -12%; }
}

@media (max-width: 620px) {
  :root { --header-height: 56px; --controls-space: 76px; }
  .brand-header { padding-inline: 18px; }
  .brand-wordmark { font-size: 18px; }
  .brand-context { font-size: 10px; letter-spacing: .08em; }
  .slide { padding: 14px 14px calc(var(--controls-space) + 14px); }
  .slide-inner {
    min-height: calc(100svh - var(--header-height) - var(--controls-space) - 28px);
    padding: 30px 24px;
    border-radius: 20px;
  }
  .slide-inner::after { left: 24px; width: 74px; }
  h1 { font-size: clamp(43px, 16vw, 72px); }
  h2 { font-size: clamp(30px, 10vw, 44px); }
  .subtitle, .lead { font-size: 20px; }
  .statement { padding: 26px 24px; }
  .pathways div { grid-template-columns: 44px minmax(0,1fr); gap: 14px; }
  .pathways span { width: 42px; height: 42px; font-size: 18px; }
  .timeline li { padding-left: 62px; }
  .timeline li::before { width: 42px; height: 42px; font-size: 18px; }
  .controls { bottom: 12px; }
}

@media (max-height: 700px) and (min-width: 921px) {
  .slide-inner { padding-top: 34px; padding-bottom: 34px; }
  h2 { font-size: clamp(31px, 4vw, 50px); margin-bottom: 24px; }
  .subtitle, .lead { font-size: clamp(18px, 1.7vw, 25px); }
  .columns-3 p, .matrix p, .quality-list p, .pathways p, .split-list li, .timeline span {
    font-size: clamp(15px, 1.15vw, 18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}

@media print {
  body { overflow: visible; background: #fff; }
  .brand-header, .controls { display: none; }
  .deck { position: static; }
  .slide {
    display: block !important;
    position: relative;
    width: 100%;
    min-height: 100vh;
    page-break-after: always;
    overflow: visible;
    padding: 24px;
  }
  .slide-inner { min-height: calc(100vh - 48px); box-shadow: none; border: 1px solid #ddd; }
}