/* Opera Protocol pitch — logo-aligned navy / off-white */

:root {
  --bg: #f4f2ee;
  --bg-elev: rgba(255, 255, 255, 0.72);
  --fg: #0c1420;
  --muted: #5c6570;
  --primary: #0c1420;
  --primary-soft: #2a3544;
  --accent: #1a2740;
  --border: rgba(12, 20, 32, 0.12);
  --ok: #2f6b4f;
  --warn: #8a4b2a;
  --font-sans: "Outfit", system-ui, sans-serif;
  --font-heading: "Fraunces", Georgia, serif;
  --font-label: "Outfit", system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --gutter: clamp(1.75rem, 5vw, 4rem);
  --radius: 0.75rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow: hidden;
}

.deck {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: var(--gutter);
  padding-bottom: calc(var(--gutter) + 3.75rem);
  gap: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.985);
  transition:
    opacity 0.45s var(--ease),
    transform 0.55s var(--ease),
    visibility 0.45s;
  pointer-events: none;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  z-index: 1;
}

.slide-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 50% at 8% -5%, rgba(26, 39, 64, 0.08), transparent 55%),
    radial-gradient(ellipse 55% 45% at 95% 105%, rgba(12, 20, 32, 0.06), transparent 50%),
    linear-gradient(165deg, #f7f5f1 0%, #efece6 48%, #e8e4dc 100%);
}

.slide-bg.glow {
  background:
    radial-gradient(circle at 50% 38%, rgba(26, 39, 64, 0.1), transparent 52%),
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(12, 20, 32, 0.07), transparent 60%),
    linear-gradient(180deg, #f8f6f2, #ebe7df);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
}

.brand-logo {
  height: 2.75rem;
  width: auto;
  object-fit: contain;
}

.partner-stack {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.partner-logo {
  width: auto;
  object-fit: contain;
  display: block;
}

.partner-logo.cleanverse {
  height: 2.25rem;
  opacity: 0.95;
}

.partner-logo.monad {
  height: 2.9rem;
}

.cohost {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.slide-label {
  font-family: var(--font-label);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.slide-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

.slide-body.content-slide {
  justify-content: center;
  padding-top: 2.25rem;
}

.slide-body.content-slide h2 {
  max-width: none;
  margin-bottom: 0.85rem;
}

.slide-body.content-slide .lede,
.slide-body.content-slide .lede.tight {
  max-width: none;
}

.slide-foot {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  flex-shrink: 0;
  font-family: var(--font-label);
  letter-spacing: 0.04em;
}

.hint {
  opacity: 0.55;
}

.eyebrow {
  font-family: var(--font-label);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary-soft);
  margin: 0 0 1rem;
  font-weight: 500;
}

h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.15rem, 4.6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--fg);
  font-variation-settings: "opsz" 72, "SOFT" 30, "WONK" 0;
  max-width: 16ch;
}

.slide[data-slide="5"] h2,
.slide[data-slide="6"] h2 {
  max-width: none;
}

.lede {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--muted);
  max-width: 28rem;
  line-height: 1.55;
  margin: 0;
  font-weight: 400;
}

.lede.tight {
  max-width: 30rem;
  margin-bottom: 1.75rem;
}

.lede strong {
  color: var(--fg);
  font-weight: 600;
}

/* Hero */
.hero {
  align-items: flex-start;
  gap: 0.35rem;
}

.hero-wordmark {
  height: clamp(5rem, 12vw, 7.5rem);
  width: auto;
  display: block;
  margin: 0 0 0.75rem;
}

.hero-headline {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.75rem, 5.5vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1.1rem;
  color: var(--fg);
  font-variation-settings: "opsz" 72, "SOFT" 30, "WONK" 0;
}

.hero-sub {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 700;
  color: var(--fg);
  max-width: 42rem;
  line-height: 1.35;
  margin: 0 0 1.6rem;
  animation: float-in 0.8s 0.1s var(--ease) both;
  font-variation-settings: "opsz" 36, "SOFT" 20;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  animation: float-in 0.8s 0.2s var(--ease) both;
}

.hero-pills span {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  backdrop-filter: blur(12px);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  font-weight: 500;
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Idea / problem */
.idea {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.idea h2 {
  max-width: none;
}

.idea .lede {
  max-width: none;
  font-size: clamp(0.98rem, 1.75vw, 1.12rem);
  line-height: 1.5;
}

.idea-points {
  list-style: none;
  padding: 0;
  margin: 0.85rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.idea-points li {
  color: var(--muted);
  font-size: 0.95rem;
  padding-left: 1.15rem;
  position: relative;
  line-height: 1.42;
}

.idea-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--fg);
}

.idea-points strong {
  color: var(--fg);
  font-weight: 600;
}

.idea-art {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.idea-art.compare-stack {
  gap: 0.75rem;
}

.idea-art.compare-stack .compare-col {
  min-height: auto;
}

.idea-art.compare-stack .compare-col h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.6rem;
}

.idea-art.compare-stack .compare-col li {
  font-size: 0.88rem;
}

.idea-art.compare-stack .compare-col ul {
  gap: 0.55rem;
}

.example-flow {
  gap: 0.65rem;
}

.compare-duo-label {
  margin: 0;
  text-align: center;
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.compare-duo {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.55rem;
  align-items: stretch;
  position: relative;
}

.compare-duo .story-card {
  height: 100%;
}

.compare-vs {
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(12, 20, 32, 0.06);
}

.story-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.95rem 1.15rem;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  box-shadow: 0 8px 28px rgba(12, 20, 32, 0.05);
}

.story-card.warn {
  border-color: rgba(138, 75, 42, 0.35);
  background: rgba(250, 236, 231, 0.65);
}

.story-card.accent {
  border-color: rgba(12, 20, 32, 0.28);
  background: linear-gradient(135deg, rgba(12, 20, 32, 0.94), #1a2740);
  color: #f4f2ee;
  box-shadow: 0 14px 36px rgba(12, 20, 32, 0.18);
}

.story-card.accent .flow-tag,
.story-card.accent .flow-sub {
  color: rgba(244, 242, 238, 0.65);
}

.story-card.accent .flow-amt {
  color: #f4f2ee;
}

.story-arrow {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  opacity: 0.55;
  line-height: 1;
}

.flow-tag {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.flow-amt {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--fg);
}

.flow-sub {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Unique comparison */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0;
  align-items: stretch;
}

.compare-col {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.compare-col.opera {
  border-color: rgba(12, 20, 32, 0.35);
  background: linear-gradient(160deg, #0c1420 0%, #1a2740 100%);
  color: #f4f2ee;
  box-shadow: 0 16px 40px rgba(12, 20, 32, 0.2);
}

.compare-col h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 750;
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.compare-col.opera h3 {
  border-bottom-color: rgba(244, 242, 238, 0.18);
}

.compare-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.compare-col li {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.4;
  padding-left: 1rem;
  position: relative;
}

.compare-col.opera li {
  color: rgba(244, 242, 238, 0.78);
}

.compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--muted);
  opacity: 0.5;
}

.compare-col.opera li::before {
  background: #f4f2ee;
  opacity: 0.85;
}

.compare-col li strong {
  color: var(--fg);
  font-weight: 600;
}

.compare-col.opera li strong {
  color: #fff;
}

/* Features */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.feat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 0;
  box-shadow: 0 8px 28px rgba(12, 20, 32, 0.04);
}

.feat-card .n {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.feat-card h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  font-weight: 750;
  margin: 0;
  line-height: 1.15;
}

.feat-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.feat-card.accent {
  border-color: rgba(12, 20, 32, 0.3);
  background: linear-gradient(160deg, #0c1420, #1a2740);
}

.feat-card.accent .n,
.feat-card.accent p {
  color: rgba(244, 242, 238, 0.7);
}

.feat-card.accent h3 {
  color: #f4f2ee;
}

.mech-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

.mech-pill {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.55);
  border-radius: calc(var(--radius) * 0.85);
  padding: 0.85rem 1rem;
}

.mech-pill strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.mech-pill small {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
  display: block;
}

/* Cleanverse integration */
.integ-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.integ-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  backdrop-filter: blur(12px);
}

.integ-card .code {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary-soft);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.integ-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 750;
  margin: 0 0 0.4rem;
}

.integ-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

/* Roadmap */
.roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  margin-top: 0.35rem;
}

.phase {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.phase::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--fg);
  opacity: 0.2;
}

.phase:nth-child(1)::before {
  opacity: 0.45;
}
.phase:nth-child(2)::before {
  opacity: 0.7;
}
.phase:nth-child(3)::before {
  opacity: 1;
}

.phase .phase-n {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.phase h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 750;
  margin: 0.35rem 0 0.85rem;
}

.phase ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.phase li {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.4;
  padding-left: 0.9rem;
  position: relative;
}

.phase li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: var(--fg);
  opacity: 0.45;
}

/* Center / thanks */
.center-stage {
  align-items: center;
  text-align: center;
}

.giant {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  text-align: center;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.center-stage .lede {
  margin-top: 1.15rem;
  text-align: center;
  max-width: 26rem;
  margin-left: auto;
  margin-right: auto;
}

.thanks .slogan {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  color: var(--muted);
  margin: 0.5rem auto 2rem;
  max-width: 24rem;
  font-weight: 500;
  font-style: italic;
}

.thanks-logo {
  height: 5.25rem;
  width: auto;
  opacity: 0.95;
}

.tagline-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.tagline-row span {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* Nav */
.deck-nav {
  position: fixed;
  bottom: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.55rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 28px rgba(12, 20, 32, 0.08);
}

.deck-nav > button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--fg);
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s var(--ease);
}

.deck-nav > button:hover {
  background: rgba(12, 20, 32, 0.08);
}

.dots {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.dot {
  appearance: none;
  border: none;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: rgba(12, 20, 32, 0.22);
  padding: 0;
  cursor: pointer;
  transition:
    width 0.25s var(--ease),
    background 0.25s var(--ease);
}

.dot.is-active {
  width: 1.15rem;
  border-radius: 999px;
  background: var(--fg);
}

@media (max-width: 900px) {
  .idea,
  .compare-grid,
  .feat-grid,
  .integ-grid,
  .roadmap,
  .mech-row {
    grid-template-columns: 1fr;
  }

  .compare-duo {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .compare-vs {
    margin: 0 auto;
  }

  .slide {
    overflow-y: auto;
  }

  body {
    overflow: auto;
  }
}

@media print {
  html,
  body {
    height: auto;
    overflow: visible;
  }

  .deck {
    height: auto;
  }

  .deck-nav {
    display: none;
  }

  .slide {
    position: relative;
    inset: auto;
    opacity: 1;
    visibility: visible;
    transform: none;
    page-break-after: always;
    break-after: page;
    height: 100vh;
    min-height: 100vh;
    pointer-events: auto;
    transition: none;
  }

  .slide:last-child {
    page-break-after: auto;
    break-after: auto;
  }

  .hero-sub,
  .hero-pills {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}