/* ═══════════════════════════════════════════════════════
   DEBENHAMS × modelBeat — Proposal Deck Styles
   Palette: Deep Navy · Warm Gold · Ivory · Charcoal
═══════════════════════════════════════════════════════ */

:root {
  --navy:       #0D1B2A;
  --navy-mid:   #1A2E42;
  --navy-light: #243B55;
  --gold:       #C9A84C;
  --gold-light: #E2C97E;
  --gold-pale:  #F5EDD0;
  --ivory:      #F8F5EF;
  --ivory-dark: #EDE8DF;
  --charcoal:   #2C2C2C;
  --mid-grey:   #6B6B6B;
  --light-grey: #D4D0C8;
  --white:      #FFFFFF;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Manrope', system-ui, sans-serif;

  --slide-h: 100vh;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--charcoal);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* ── DECK CONTAINER ── */
.deck {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}

/* ── SLIDES ── */
.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  pointer-events: none;
}
.slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.slide.exit-up {
  opacity: 0;
  transform: translateY(-60px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.slide--light  { background: var(--ivory); }
.slide--dark   { background: var(--navy); }
.slide--brand  { background: var(--navy-mid); }
.slide--cover  { background: var(--navy); }

/* ── SLIDE INNER ── */
.slide-inner {
  width: 100%;
  max-width: 1200px;
  padding: 80px 60px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

/* ── SLIDE LABEL ── */
.slide-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-grey);
  margin-bottom: 32px;
}
.slide-label--light { color: rgba(255,255,255,0.45); }

/* ── HEADINGS ── */
.slide-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 300;
  line-height: 1.1;
  color: var(--charcoal);
  margin-bottom: 28px;
}
.slide-heading em {
  font-style: italic;
  color: var(--gold);
}
.slide-heading--light { color: var(--ivory); }
.slide-heading--light em { color: var(--gold-light); }

/* ── BODY TEXT ── */
.slide-body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid-grey);
  max-width: 520px;
  margin-bottom: 20px;
}

/* ══════════════════════════════════════════
   SLIDE 01 — COVER
══════════════════════════════════════════ */
.slide--cover { overflow: hidden; }

.cover-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cover-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.cover-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.cover-orb--1 {
  width: 600px; height: 600px;
  background: var(--gold);
  top: -200px; right: -100px;
}
.cover-orb--2 {
  width: 400px; height: 400px;
  background: #3A6EA5;
  bottom: -100px; left: -80px;
}
.cover-orb--3 {
  width: 500px; height: 500px;
  background: var(--gold);
  bottom: -150px; right: -100px;
  opacity: 0.15;
}
.cover-orb--4 {
  width: 350px; height: 350px;
  background: #3A6EA5;
  top: -80px; left: -60px;
  opacity: 0.12;
}

.cover-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  padding: 0 60px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* LOGOS */
.cover-logos {
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo-block {
  display: flex;
  align-items: baseline;
}
.logo-wordmark {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--white);
}
.logo-dot {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
}
.logo-beat { color: var(--gold); }
.logo-divider {
  font-family: var(--font-display);
  font-size: 24px;
  color: rgba(255,255,255,0.3);
  font-weight: 300;
}

/* HEADLINE */
.cover-headline { display: flex; flex-direction: column; gap: 8px; }
.cover-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 110px);
  font-weight: 300;
  line-height: 1.0;
  color: var(--white);
  display: flex;
  flex-direction: column;
}
.cover-title__line--accent {
  font-style: italic;
  color: var(--gold-light);
}
.cover-subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-top: 16px;
}

/* META */
.cover-meta {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.meta-item { display: flex; flex-direction: column; gap: 4px; }
.meta-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.meta-value {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
}
.meta-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.12);
}

/* SCROLL HINT */
.cover-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  color: rgba(255,255,255,0.3);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeInUp 1s 1.5s both;
}
.scroll-arrow {
  animation: bounce 2s infinite;
  font-size: 16px;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════
   SLIDE LAYOUT — SPLIT
══════════════════════════════════════════ */
.slide-layout--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}
.split-left { display: flex; flex-direction: column; }
.split-right { display: flex; flex-direction: column; }

/* CTA PILL */
.cta-pill {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--light-grey);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--mid-grey);
  margin-top: 8px;
  width: fit-content;
}

/* ══════════════════════════════════════════
   STAT CARDS
══════════════════════════════════════════ */
.stat-stack { display: flex; flex-direction: column; gap: 16px; }
.stat-card {
  padding: 28px 32px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-card--dark {
  background: var(--charcoal);
  color: var(--white);
}
.stat-card--accent {
  background: var(--gold);
  color: var(--navy);
}
.stat-card--outline {
  background: transparent;
  border: 1.5px solid var(--light-grey);
  color: var(--charcoal);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 600;
  line-height: 1;
}
.stat-card--dark .stat-number { color: var(--gold-light); }
.stat-card--accent .stat-number { color: var(--navy); }
.stat-label {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
  opacity: 0.75;
}

/* ══════════════════════════════════════════
   OPPORTUNITY GRID
══════════════════════════════════════════ */
.opportunity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 40px;
  flex: 1;
}
.opp-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.3s ease;
}
.opp-card:hover { background: rgba(255,255,255,0.07); }
.opp-icon {
  font-size: 24px;
  color: var(--gold);
  line-height: 1;
}
.opp-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--ivory);
  line-height: 1.2;
}
.opp-body {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
}

/* ══════════════════════════════════════════
   PLATFORM FEATURES
══════════════════════════════════════════ */
.platform-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  width: 100%;
}
.platform-header { max-width: 600px; }
.platform-intro { max-width: 560px; }
.platform-features { display: flex; flex-direction: column; gap: 0; }

.feature-row {
  display: grid;
  grid-template-columns: 48px 1fr 100px;
  gap: 24px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--ivory-dark);
  transition: background 0.2s ease;
}
.feature-row:first-child { border-top: 1px solid var(--ivory-dark); }
.feature-row:hover { background: rgba(0,0,0,0.02); }

.feature-number {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  padding-top: 2px;
  letter-spacing: 0.05em;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 6px;
}
.feature-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mid-grey);
}
.feature-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid-grey);
  background: var(--ivory-dark);
  padding: 4px 10px;
  border-radius: 100px;
  height: fit-content;
  margin-top: 4px;
  text-align: center;
}

/* ══════════════════════════════════════════
   INTEGRATION MOCKUP
══════════════════════════════════════════ */
.integration-mockup {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 24px 0 16px;
}
.mockup-browser {
  width: 100%;
  max-width: 700px;
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.08);
}
.browser-bar {
  background: #E8E8E8;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.browser-dots { display: flex; gap: 6px; }
.browser-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #C0C0C0;
}
.browser-url {
  flex: 1;
  background: var(--white);
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 11px;
  color: #666;
  font-family: var(--font-body);
}
.browser-content { padding: 0; }

.mock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid #F0F0F0;
}
.mock-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.05em;
}
.mock-nav-links {
  display: flex;
  gap: 20px;
  font-size: 11px;
  color: #888;
  font-weight: 500;
}
.mock-nav-active {
  color: var(--gold) !important;
  font-weight: 600;
}

.mock-hero {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0;
  min-height: 180px;
  background: var(--ivory);
}
.mock-hero-text {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}
.mock-eyebrow {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
.mock-headline {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--navy);
}
.mock-cta {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 2px;
  width: fit-content;
}

.mock-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: #E0E0E0;
}
.mock-card {
  background: var(--white);
  overflow: hidden;
}
.mock-card--tall { grid-row: span 2; }
.mock-card-img {
  width: 100%;
  aspect-ratio: 3/4;
}
.mock-card--tall .mock-card-img { aspect-ratio: auto; height: 130px; }
.mock-card-img--1 { background: linear-gradient(135deg, #D4A5A5 0%, #B07070 100%); }
.mock-card-img--2 { background: linear-gradient(135deg, #A5B4D4 0%, #6070A0 100%); }
.mock-card-img--3 { background: linear-gradient(135deg, #D4C5A5 0%, #A09060 100%); }
.mock-card-info {
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: var(--charcoal);
  font-weight: 500;
}
.mock-price { color: var(--navy); font-weight: 700; }

.mock-powered {
  padding: 8px 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: #AAA;
  border-top: 1px solid #F0F0F0;
}
.mock-mb-badge {
  color: var(--navy);
  font-weight: 500;
}
.mock-mb-badge strong { color: var(--gold); }

.integration-points {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.int-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
}
.int-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════
   COMMERCIAL / PRICING TIERS
══════════════════════════════════════════ */
.commercial-note {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--ivory-dark);
  border-left: 3px solid var(--gold);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mid-grey);
}

.pricing-tiers { display: flex; flex-direction: column; gap: 12px; }
.tier {
  padding: 24px 28px;
  border-radius: 4px;
  border: 1.5px solid transparent;
  transition: border-color 0.2s ease;
}
.tier--starter {
  background: var(--ivory-dark);
  border-color: var(--light-grey);
}
.tier--growth {
  background: var(--navy);
  border-color: var(--gold);
}
.tier--enterprise {
  background: var(--charcoal);
  border-color: rgba(255,255,255,0.1);
}
.tier-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.tier-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
}
.tier--starter .tier-name { color: var(--charcoal); }
.tier--growth .tier-name  { color: var(--gold-light); }
.tier--enterprise .tier-name { color: var(--ivory); }

.tier-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--light-grey);
  color: var(--charcoal);
}
.tier-badge--accent {
  background: var(--gold);
  color: var(--navy);
}
.tier-scope {
  font-size: 12px;
  line-height: 1.6;
  margin-bottom: 8px;
}
.tier--starter .tier-scope { color: var(--mid-grey); }
.tier--growth .tier-scope  { color: rgba(255,255,255,0.6); }
.tier--enterprise .tier-scope { color: rgba(255,255,255,0.5); }

.tier-model {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.tier--starter .tier-model { color: var(--charcoal); }
.tier--growth .tier-model  { color: var(--gold); }
.tier--enterprise .tier-model { color: rgba(255,255,255,0.7); }

/* ══════════════════════════════════════════
   ROADMAP
══════════════════════════════════════════ */
.roadmap { margin-top: 40px; flex: 1; }
.roadmap-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.roadmap-phase { display: flex; flex-direction: column; }
.phase-marker {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}
.phase-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.2);
  flex-shrink: 0;
  z-index: 1;
}
.phase-dot--active {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(201,168,76,0.2);
}
.phase-dot--gold {
  background: var(--gold-light);
  border-color: var(--gold-light);
}
.phase-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.12);
  margin-left: 8px;
}
.phase-period {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.phase-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 12px;
  line-height: 1.2;
}
.phase-tasks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 20px;
}
.phase-tasks li {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255,255,255,0.45);
  padding-left: 14px;
  position: relative;
}
.phase-tasks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px; height: 1px;
  background: var(--gold);
  opacity: 0.6;
}
.phase-content { padding-right: 24px; }

/* ══════════════════════════════════════════
   CLOSING SLIDE
══════════════════════════════════════════ */
.slide--closing .cover-bg { opacity: 0.7; }
.closing-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  padding: 0 60px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.closing-heading {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 300;
  line-height: 1.05;
  color: var(--white);
}
.closing-heading em {
  font-style: italic;
  color: var(--gold-light);
}
.closing-body {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255,255,255,0.55);
  max-width: 580px;
}
.next-steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ns-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 4px;
}
.ns-num {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
}
.ns-text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,0.6);
}
.closing-contact {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.contact-block { display: flex; flex-direction: column; gap: 4px; }
.contact-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.contact-value {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
}
.contact-divider {
  width: 1px; height: 36px;
  background: rgba(255,255,255,0.1);
}
.closing-logos {
  display: flex;
  align-items: center;
  gap: 16px;
}
.cl-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}
.cl-logo--mb { color: rgba(255,255,255,0.35); }
.cl-logo--mb strong { color: var(--gold); opacity: 0.7; }
.cl-x {
  font-family: var(--font-display);
  font-size: 18px;
  color: rgba(255,255,255,0.15);
}

/* ══════════════════════════════════════════
   NAV DOTS
══════════════════════════════════════════ */
.slide-nav {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
}
.nav-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  position: relative;
}
.nav-dot::after {
  content: attr(aria-label);
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.75);
  color: var(--white);
  font-size: 10px;
  font-family: var(--font-body);
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.nav-dot:hover::after { opacity: 1; }
.nav-dot.active {
  background: var(--gold);
  transform: scale(1.3);
}
.nav-dot:hover:not(.active) {
  background: rgba(255,255,255,0.5);
}

/* ══════════════════════════════════════════
   SLIDE COUNTER
══════════════════════════════════════════ */
.slide-counter {
  position: fixed;
  bottom: 32px;
  right: 32px;
  font-family: var(--font-display);
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  letter-spacing: 0.05em;
}
#currentSlide { color: rgba(255,255,255,0.7); font-weight: 600; }
.counter-sep { color: rgba(255,255,255,0.15); }

/* ══════════════════════════════════════════
   KEYBOARD HINT
══════════════════════════════════════════ */
.keyboard-hint {
  position: fixed;
  bottom: 32px;
  left: 32px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: rgba(255,255,255,0.2);
  z-index: 100;
  font-family: var(--font-body);
  transition: opacity 0.5s ease;
}
.keyboard-hint.hidden { opacity: 0; }
kbd {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 11px;
  font-family: var(--font-body);
  color: rgba(255,255,255,0.35);
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 900px) {
  .slide-inner { padding: 60px 32px; }
  .cover-content { padding: 0 32px; }
  .closing-content { padding: 0 32px; }

  .slide-layout--split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .opportunity-grid { grid-template-columns: 1fr; }
  .roadmap-track { grid-template-columns: 1fr 1fr; gap: 24px; }
  .next-steps-grid { grid-template-columns: 1fr; }
  .cover-meta { flex-wrap: wrap; gap: 16px; }
  .meta-divider { display: none; }
  .cover-title { font-size: clamp(40px, 10vw, 72px); }
  .mock-nav-links { display: none; }
  .integration-points { gap: 12px; }
}

@media (max-width: 600px) {
  .slide-inner { padding: 48px 20px; }
  .cover-content { padding: 0 20px; }
  .closing-content { padding: 0 20px; }
  .slide-nav { right: 12px; }
  .slide-counter { right: 16px; bottom: 20px; }
  .keyboard-hint { display: none; }
  .roadmap-track { grid-template-columns: 1fr; }
  .cover-logos { gap: 12px; }
  .logo-wordmark { font-size: 20px; }
  .stat-number { font-size: 40px; }
  .feature-row { grid-template-columns: 36px 1fr; }
  .feature-tag { display: none; }
}

/* ══════════════════════════════════════════
   SLIDE ENTRY ANIMATIONS
══════════════════════════════════════════ */
.slide.active .slide-label    { animation: fadeInUp 0.6s 0.1s both; }
.slide.active .slide-heading  { animation: fadeInUp 0.6s 0.2s both; }
.slide.active .slide-body     { animation: fadeInUp 0.6s 0.3s both; }
.slide.active .stat-stack     { animation: fadeInUp 0.6s 0.35s both; }
.slide.active .opportunity-grid { animation: fadeInUp 0.6s 0.3s both; }
.slide.active .platform-features { animation: fadeInUp 0.6s 0.35s both; }
.slide.active .integration-mockup { animation: fadeInUp 0.6s 0.3s both; }
.slide.active .pricing-tiers  { animation: fadeInUp 0.6s 0.35s both; }
.slide.active .roadmap        { animation: fadeInUp 0.6s 0.3s both; }
.slide.active .next-steps-grid { animation: fadeInUp 0.6s 0.3s both; }
.slide.active .cover-logos    { animation: fadeInUp 0.6s 0.1s both; }
.slide.active .cover-headline { animation: fadeInUp 0.6s 0.25s both; }
.slide.active .cover-meta     { animation: fadeInUp 0.6s 0.4s both; }
.slide.active .closing-heading { animation: fadeInUp 0.6s 0.2s both; }
.slide.active .closing-body   { animation: fadeInUp 0.6s 0.3s both; }
.slide.active .closing-contact { animation: fadeInUp 0.6s 0.45s both; }