*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:   #060D2B;
  --navy2:  #0E1A45;
  --blue:   #2563EB;
  --blue-l: #3B82F6;
  --orange: #F97316;
  --green:  #10B981;
  --yellow: #FBBF24;
  --white:  #FFFFFF;
  --gray:   #94A3B8;
  --card:   rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.1);
}

html, body { height: 100%; overflow: hidden; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--navy);
  color: var(--white);
}

/* ─── TOP NAV ─── */
.deck-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 5%;
  background: rgba(6,13,43,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: 52px;
}
.deck-nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  background: linear-gradient(135deg, var(--blue-l), var(--orange));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.deck-nav-center {
  font-size: 0.76rem; font-weight: 600; color: var(--gray);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.deck-nav-back {
  font-size: 0.82rem; font-weight: 600; color: var(--gray);
  text-decoration: none; transition: color 0.2s;
}
.deck-nav-back:hover { color: var(--white); }

/* ─── PROGRESS BAR ─── */
.progress-bar {
  position: fixed; top: 52px; left: 0; right: 0; z-index: 199;
  height: 3px; background: rgba(255,255,255,0.07);
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  transition: width 0.45s ease;
}

/* ─── SLIDE VIEWPORT ─── */
.slideshow {
  position: fixed;
  top: 55px; left: 0; right: 0; bottom: 60px;
  overflow: hidden;
}

/* ─── INDIVIDUAL SLIDE ─── */
.slide {
  position: absolute; inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2.5rem 6% 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  transform: translateX(50px);
}
.slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}
.slide.exit-left {
  opacity: 0;
  transform: translateX(-50px);
}

/* ─── SLIDE INNER ─── */
.slide-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* ─── SHARED TYPOGRAPHY ─── */
.page-label {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 0.4rem;
}
.slide-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem;
}
.gradient-text {
  background: linear-gradient(135deg, var(--blue-l), var(--orange));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ─── SHARED CARDS ─── */
.box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.25rem 1.5rem; margin-bottom: 1rem;
}
.box:last-child { margin-bottom: 0; }
.box.orange { border-color: rgba(249,115,22,0.35); }
.box.blue   { border-color: rgba(37,99,235,0.35); }
.box.green  { border-color: rgba(16,185,129,0.35); background: rgba(16,185,129,0.04); }
.box.yellow { border-color: rgba(251,191,36,0.35); background: rgba(251,191,36,0.04); }

.box-label {
  font-size: 0.66rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 0.5rem;
}
.orange .box-label { color: var(--orange); }
.blue   .box-label { color: var(--blue-l); }
.green  .box-label { color: var(--green); }
.yellow .box-label { color: var(--yellow); }

.box-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem;
}
.box-text { font-size: 0.82rem; color: var(--gray); line-height: 1.68; }
.box h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.92rem; font-weight: 700; margin-bottom: 0.6rem;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.6rem; }
.tag {
  padding: 0.22rem 0.65rem; border-radius: 5px; font-size: 0.7rem; font-weight: 600;
  background: rgba(255,255,255,0.07); border: 1px solid var(--border); color: var(--gray);
}
.gap-list { list-style: none; margin-top: 0.55rem; display: flex; flex-direction: column; gap: 0.25rem; }
.gap-list li { font-size: 0.8rem; color: var(--gray); }
.gap-list li::before { content: "✗ "; color: var(--orange); font-weight: 700; }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 0.25rem; }
.check-list li { font-size: 0.8rem; color: var(--gray); }
.check-list li::before { content: "✓ "; color: var(--green); font-weight: 700; }

/* ─── TWO-COL GRID ─── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.two-col-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }

/* ─── SLIDE BACKGROUNDS ─── */
#slide-1 { background: radial-gradient(ellipse 70% 60% at 50% -5%, rgba(37,99,235,0.25) 0%, transparent 65%), radial-gradient(ellipse 40% 40% at 85% 90%, rgba(249,115,22,0.14) 0%, transparent 55%), var(--navy); }
#slide-2 { background: radial-gradient(ellipse 55% 50% at 10% 50%, rgba(37,99,235,0.1) 0%, transparent 60%), var(--navy2); }
#slide-3 { background: radial-gradient(ellipse 50% 50% at 90% 15%, rgba(251,191,36,0.07) 0%, transparent 55%), var(--navy); }
#slide-4 { background: radial-gradient(ellipse 60% 50% at 50% 110%, rgba(16,185,129,0.1) 0%, transparent 60%), var(--navy2); }
#slide-5 { background: linear-gradient(135deg, #0D1F6E 0%, #060D2B 50%, #1A0F0F 100%); }

/* ─── SLIDE 1 SPECIFIC ─── */
.acronym-block {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem; font-weight: 900; line-height: 1.25;
}

/* ─── SLIDE 2 — PHASES ─── */
.phase-card {
  border-radius: 14px; padding: 1.4rem; border: 1px solid var(--border);
  background: var(--card); position: relative; overflow: hidden;
}
.phase-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.phase-card.p1::before { background: var(--blue-l); }
.phase-card.p2::before { background: var(--orange); }
.phase-card.p3::before { background: var(--green); }
.phase-big-num {
  font-family: 'Space Grotesk', sans-serif; font-size: 3.5rem;
  font-weight: 900; opacity: 0.1; line-height: 1;
}
.p1 .phase-big-num { color: var(--blue-l); }
.p2 .phase-big-num { color: var(--orange); }
.p3 .phase-big-num { color: var(--green); }
.phase-badge {
  display: inline-block; padding: 0.22rem 0.75rem; border-radius: 100px;
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.4rem;
}
.p1 .phase-badge { background: rgba(37,99,235,0.2); color: var(--blue-l); border: 1px solid rgba(37,99,235,0.35); }
.p2 .phase-badge { background: rgba(249,115,22,0.2); color: var(--orange); border: 1px solid rgba(249,115,22,0.35); }
.p3 .phase-badge { background: rgba(16,185,129,0.2); color: var(--green); border: 1px solid rgba(16,185,129,0.35); }
.phase-name { font-family: 'Space Grotesk', sans-serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.learn-label { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gray); margin-bottom: 0.35rem; }
.learn-list { list-style: none; margin-bottom: 1rem; }
.learn-list li { font-size: 0.8rem; color: var(--gray); padding: 0.15rem 0; }
.learn-list li::before { content: "→ "; }
.p1 .learn-list li::before { color: var(--blue-l); }
.p2 .learn-list li::before { color: var(--orange); }
.p3 .learn-list li::before { color: var(--green); }
.outcome-box { border-top: 1px solid var(--border); padding-top: 0.7rem; }
.outcome-box p { font-size: 0.8rem; color: var(--white); font-weight: 500; line-height: 1.5; }
.motto-bar {
  text-align: center; padding: 1rem;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  font-family: 'Space Grotesk', sans-serif; font-size: 1rem; font-weight: 700;
  margin-top: 1rem;
}

/* ─── SLIDE 3 — STRUCTURE ─── */
.cohort-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.65rem; }
.cstat { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 10px; padding: 0.9rem; text-align: center; }
.cstat-num {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.8rem; font-weight: 900;
  background: linear-gradient(135deg, var(--blue-l), var(--orange));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.cstat-label { font-size: 0.67rem; color: var(--gray); margin-top: 0.15rem; line-height: 1.3; }
.tech-item { display: flex; gap: 0.75rem; padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.tech-item:last-child { border-bottom: none; padding-bottom: 0; }
.tech-name { font-size: 0.85rem; font-weight: 700; min-width: 85px; }
.tech-desc { font-size: 0.77rem; color: var(--gray); }
.audience-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.4rem; }
.audience-tag { font-size: 0.7rem; font-weight: 600; padding: 0.2rem 0.6rem; border-radius: 5px; background: rgba(255,255,255,0.07); border: 1px solid var(--border); color: var(--gray); }
.flow-step { display: flex; align-items: center; gap: 0.8rem; padding: 0.45rem 0; }
.flow-dot { width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: 800; }
.flow-connector { width: 1px; height: 14px; margin-left: 12px; background: var(--border); }
.flow-step p { font-size: 0.8rem; color: var(--gray); }

/* ─── SLIDE 4 — IMPACT ─── */
.impact-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 1.25rem 1.4rem; }
.impact-card h4 { font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem; font-weight: 700; margin-bottom: 0.75rem; }
.stat-row { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.stat-item { display: flex; flex-direction: column; }
.stat-big { font-family: 'Space Grotesk', sans-serif; font-size: 1.6rem; font-weight: 900; background: linear-gradient(135deg, var(--blue-l), var(--orange)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-sub { font-size: 0.66rem; color: var(--gray); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.38rem; }
.skill-tag { font-size: 0.7rem; padding: 0.2rem 0.6rem; border-radius: 5px; border: 1px solid var(--border); background: rgba(255,255,255,0.05); color: var(--gray); font-weight: 500; }

/* ─── SLIDE 5 — INVESTMENT ─── */
.budget-card {
  background: rgba(37,99,235,0.12); border: 1px solid rgba(37,99,235,0.35);
  border-radius: 14px; padding: 1.4rem;
}
.budget-card h4 { font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--blue-l); text-transform: uppercase; letter-spacing: 0.06em; }
.budget-line { font-size: 0.8rem; color: var(--gray); display: flex; align-items: center; gap: 0.5rem; padding: 0.25rem 0; }
.budget-line::before { content: "•"; color: var(--blue-l); }
.reach-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
.reach-item { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 10px; padding: 0.85rem; text-align: center; }
.reach-num { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; font-weight: 900; color: var(--white); }
.reach-label { font-size: 0.66rem; color: var(--gray); margin-top: 0.12rem; }
.sponsor-tiers { display: flex; flex-direction: column; gap: 0.55rem; }
.sponsor-tier { display: flex; justify-content: space-between; align-items: center; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 10px; padding: 0.8rem 1.1rem; }
.tier-presenting { border-color: rgba(251,191,36,0.4); background: rgba(251,191,36,0.06); }
.tier-innovation { border-color: rgba(37,99,235,0.4); background: rgba(37,99,235,0.06); }
.tier-technology { border-color: rgba(16,185,129,0.35); background: rgba(16,185,129,0.04); }
.tier-name { font-size: 0.81rem; font-weight: 700; }
.tier-presenting .tier-name { color: var(--yellow); }
.tier-innovation .tier-name { color: var(--blue-l); }
.tier-technology .tier-name { color: var(--green); }
.tier-amount { font-family: 'Space Grotesk', sans-serif; font-size: 0.95rem; font-weight: 800; color: var(--white); }
.why-card { background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(249,115,22,0.1)); border: 1px solid rgba(37,99,235,0.3); border-radius: 14px; padding: 1.25rem 1.4rem; }
.why-card h4 { font-family: 'Space Grotesk', sans-serif; font-size: 0.92rem; font-weight: 700; margin-bottom: 0.5rem; }
.why-card p { font-size: 0.8rem; color: var(--gray); line-height: 1.72; }
.cta-btn { display: block; text-align: center; background: linear-gradient(135deg, var(--blue), var(--orange)); color: var(--white); padding: 0.85rem 1.5rem; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 0.95rem; transition: 0.2s; }
.cta-btn:hover { opacity: 0.88; transform: translateY(-2px); }

/* ─── BOTTOM CONTROLS ─── */
.deck-controls {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 5%;
  background: rgba(6,13,43,0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  height: 60px;
}
.ctrl-btn {
  display: flex; align-items: center; gap: 0.4rem;
  background: transparent; border: 1px solid var(--border);
  color: var(--white); padding: 0.48rem 1.1rem;
  border-radius: 8px; font-size: 0.82rem; font-weight: 600;
  cursor: pointer; font-family: inherit; transition: 0.2s;
}
.ctrl-btn:hover:not(:disabled) { border-color: var(--blue-l); background: rgba(37,99,235,0.12); }
.ctrl-btn:disabled { opacity: 0.28; cursor: not-allowed; }
.ctrl-btn.next { background: linear-gradient(135deg, var(--blue), var(--orange)); border-color: transparent; }
.ctrl-btn.next:hover:not(:disabled) { opacity: 0.86; }

.slide-dots { display: flex; align-items: center; gap: 0.6rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.2); cursor: pointer; border: none; padding: 0; transition: 0.2s; }
.dot.active { background: var(--blue-l); transform: scale(1.35); }
.dot:hover:not(.active) { background: rgba(255,255,255,0.45); }

.slide-counter { font-size: 0.75rem; color: var(--gray); font-weight: 600; min-width: 40px; text-align: center; }

/* ─── RESPONSIVE ─── */
@media (max-width: 860px) {
  .two-col, .three-col { grid-template-columns: 1fr; }
  .two-col-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .slide { padding: 1.5rem 4% 1.5rem; }
  .deck-nav-center { display: none; }
  .cohort-stats { grid-template-columns: 1fr 1fr; }
}