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

:root {
  --primary: #945CFF;
  --primary-2: #B98BFF;
  --secondary: #FE01D4;
  --bg: #07070D;
  --text: #E6E7EE;
  --text-muted: #9094A6;
  --card: rgba(255,255,255,0.05);
  --card-2: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.1);
  --font: 'Cairo', sans-serif;
}

html, body { height: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); overflow: hidden; line-height: 1.7; }

.bg-glow { position: fixed; border-radius: 50%; filter: blur(150px); pointer-events: none; z-index: 0; }
.bg-glow-1 { width: 560px; height: 560px; background: rgba(148,92,255,.2); top: -180px; inset-inline-end: -140px; }
.bg-glow-2 { width: 480px; height: 480px; background: rgba(254,1,212,.13); bottom: -160px; inset-inline-start: -140px; }

.gradient-text { background: linear-gradient(90deg, var(--primary-2), var(--secondary)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ===== Progress ===== */
.deck-progress { position: fixed; top: 0; inset-inline: 0; height: 4px; background: rgba(255,255,255,.06); z-index: 60; }
.deck-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), var(--secondary)); transition: width .5s cubic-bezier(.2,.7,.3,1); }

/* ===== Top bar ===== */
.deck-topbar { position: fixed; top: 0; inset-inline: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; padding: 16px 26px; }
.deck-home { color: var(--text-muted); text-decoration: none; font-weight: 700; font-size: .9rem; transition: color .2s; }
.deck-home:hover { color: #fff; }
.deck-brand { display: flex; align-items: center; gap: 9px; font-weight: 900; font-size: 1.15rem; color: #fff; }
.deck-brand img { border-radius: 8px; }
.deck-topbar-actions { display: flex; gap: 10px; }
.deck-mini-btn { width: 38px; height: 38px; border-radius: 11px; background: var(--card); border: 1px solid var(--border); color: var(--text); cursor: pointer; font-family: var(--font); font-weight: 800; font-size: .85rem; transition: border-color .2s, background .2s; }
.deck-mini-btn:hover { border-color: var(--primary); background: rgba(148,92,255,.14); }

/* ===== Deck / slides ===== */
.deck { position: relative; height: 100vh; width: 100%; z-index: 1; }
.slide {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center;
  padding: 92px clamp(28px, 7vw, 110px) 110px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateX(40px) scale(.99);
  transition: opacity .55s ease, transform .55s ease, visibility .55s;
  overflow-y: auto;
}
.slide.active { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
.slide.prev { transform: translateX(-40px) scale(.99); }

.slide-kicker { margin-bottom: 14px; }
.slide-kicker span { display: inline-block; padding: 6px 16px; border-radius: 30px; background: rgba(148,92,255,.12); border: 1px solid rgba(148,92,255,.34); color: var(--primary-2); font-size: .82rem; font-weight: 800; letter-spacing: .3px; }
.slide-title { font-size: clamp(1.7rem, 4.4vw, 3rem); font-weight: 900; line-height: 1.2; margin-bottom: 18px; }
.slide-lead { color: var(--text-muted); font-size: clamp(1rem, 1.7vw, 1.25rem); max-width: 900px; margin-bottom: 30px; }
.slide-note { color: var(--text-muted); font-size: .85rem; margin-top: 22px; }

/* entrance animation for children */
.slide .anim { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.slide.active .anim { opacity: 1; transform: none; }
.slide.active .anim:nth-child(1){ transition-delay:.05s } .slide.active .anim:nth-child(2){ transition-delay:.13s }
.slide.active .anim:nth-child(3){ transition-delay:.21s } .slide.active .anim:nth-child(4){ transition-delay:.29s }
.slide.active .anim:nth-child(5){ transition-delay:.37s } .slide.active .anim:nth-child(6){ transition-delay:.45s }
.slide.active .anim:nth-child(7){ transition-delay:.53s } .slide.active .anim:nth-child(8){ transition-delay:.61s }
/* grids stagger */
.slide.active .agenda-item:nth-child(n), .slide.active .cat-card:nth-child(n), .slide.active .feat-card:nth-child(n),
.slide.active .check-item:nth-child(n), .slide.active .pain-card:nth-child(n), .slide.active .info-card:nth-child(n),
.slide.active .tech-card:nth-child(n), .slide.active .stat-big:nth-child(n), .slide.active .dev-box:nth-child(n),
.slide.active .phase:nth-child(n) { transition-delay: calc(var(--i, 0) * 70ms + 120ms); }

/* ===== Cover ===== */
.slide-cover { align-items: center; text-align: center; }
.cover-glow { position: absolute; width: 620px; height: 620px; border-radius: 50%; background: radial-gradient(circle, rgba(148,92,255,.3), transparent 65%); filter: blur(40px); z-index: -1; }
.cover-logo { border-radius: 26px; filter: drop-shadow(0 14px 40px rgba(148,92,255,.5)); margin-bottom: 24px; }
.slide-cover h1 { font-size: clamp(4rem, 16vw, 9rem); font-weight: 900; line-height: 1; letter-spacing: 2px; }
.cover-sub { font-size: clamp(1.1rem, 2.6vw, 1.7rem); font-weight: 800; color: #fff; max-width: 820px; margin: 14px 0 10px; }
.cover-desc { color: var(--text-muted); max-width: 640px; font-size: 1.05rem; }
.cover-hint { margin-top: 34px; color: var(--text-muted); font-size: .85rem; padding: 8px 18px; border: 1px dashed var(--border); border-radius: 30px; }
.cover-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.deck-btn { padding: 13px 28px; border-radius: 13px; font-weight: 800; text-decoration: none; background: linear-gradient(120deg, var(--primary), var(--secondary)); color: #fff; box-shadow: 0 10px 30px rgba(148,92,255,.4); transition: transform .2s; }
.deck-btn.ghost { background: rgba(255,255,255,.05); border: 1px solid var(--border); box-shadow: none; color: var(--text); }
.deck-btn:hover { transform: translateY(-3px); }
.badge { display: inline-flex; align-items: center; gap: 9px; padding: 8px 18px; border-radius: 30px; background: rgba(254,1,212,.1); border: 1px solid rgba(254,1,212,.4); color: #fff; font-size: .9rem; font-weight: 800; margin-bottom: 8px; }

/* ===== Layout helpers ===== */
.two-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.four-col { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px){ .two-col, .three-col, .four-col { grid-template-columns: 1fr 1fr; } }

/* agenda */
.agenda-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.agenda-item { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 22px; transition: border-color .25s, transform .25s; }
.agenda-item:hover { border-color: rgba(148,92,255,.4); transform: translateY(-4px); }
.agenda-item span { display: block; font-size: 1.4rem; font-weight: 900; color: var(--primary-2); margin-bottom: 8px; }
.agenda-item strong { font-size: 1.02rem; }
@media (max-width: 900px){ .agenda-grid { grid-template-columns: 1fr 1fr; } }

/* info / pain cards */
.info-card, .pain-card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 26px; }
.info-ic, .pain-ic { font-size: 2rem; margin-bottom: 12px; }
.info-card h3, .pain-card h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 8px; }
.info-card p, .pain-card p { color: var(--text-muted); font-size: .95rem; }
.opportunity { margin-top: 26px; padding: 18px 24px; border-radius: 14px; background: linear-gradient(120deg, rgba(148,92,255,.16), rgba(254,1,212,.1)); border: 1px solid var(--border); font-weight: 700; }

/* check grid */
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 1000px; }
@media (max-width: 760px){ .check-grid { grid-template-columns: 1fr; } }
.check-item { background: var(--card); border: 1px solid var(--border); border-radius: 13px; padding: 16px 18px 16px 18px; display: flex; align-items: center; gap: 12px; font-weight: 600; }
.check-item::before { content: '✓'; flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: rgba(148,92,255,.18); color: var(--primary-2); font-weight: 900; font-size: .85rem; }

/* category grid */
.cat-grid, .feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px){ .cat-grid, .feat-grid { grid-template-columns: 1fr 1fr; } }
.cat-card, .feat-card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 24px; transition: transform .25s, border-color .25s; }
.cat-card:hover, .feat-card:hover { transform: translateY(-6px); border-color: rgba(148,92,255,.4); }
.cat-ic { font-size: 2rem; margin-bottom: 12px; }
.feat-ic { width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; font-size: 1.5rem; background: linear-gradient(135deg, rgba(148,92,255,.2), rgba(254,1,212,.13)); margin-bottom: 14px; }
.cat-card h3, .feat-card h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 7px; }
.cat-card p, .feat-card p { color: var(--text-muted); font-size: .9rem; }

/* partner */
.partner-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px; align-items: center; }
@media (max-width: 900px){ .partner-split { grid-template-columns: 1fr; } }
.partner-points { display: flex; flex-direction: column; gap: 12px; }
.partner-card { aspect-ratio: 16/10; border-radius: 22px; background: linear-gradient(145deg, rgba(148,92,255,.22), rgba(254,1,212,.14)); border: 1px solid var(--border); position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; overflow: hidden; box-shadow: 0 26px 60px rgba(0,0,0,.5); }
.partner-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 50% 120%, rgba(254,1,212,.35), transparent 60%); }
.live-pill { position: absolute; top: 16px; inset-inline-start: 16px; display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; border-radius: 20px; background: rgba(0,0,0,.45); color: #fff; font-size: .78rem; font-weight: 800; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #ff3b5c; animation: pulse 1.4s infinite; }
@keyframes pulse { 0%{ box-shadow: 0 0 0 0 rgba(255,59,92,.6) } 70%{ box-shadow: 0 0 0 9px rgba(255,59,92,0) } 100%{ box-shadow: 0 0 0 0 rgba(255,59,92,0) } }
.channel-logo { position: relative; text-align: center; font-size: 1.9rem; font-weight: 900; color: #fff; line-height: 1.2; }
.channel-logo span { font-size: .9rem; font-weight: 700; color: var(--primary-2); letter-spacing: 2px; }
.channel-bars { position: relative; display: flex; align-items: flex-end; gap: 5px; height: 36px; }
.channel-bars i { width: 6px; background: linear-gradient(180deg, var(--primary-2), var(--secondary)); border-radius: 4px; animation: eq 1s ease-in-out infinite; }
.channel-bars i:nth-child(1){animation-delay:0s}.channel-bars i:nth-child(2){animation-delay:.15s}.channel-bars i:nth-child(3){animation-delay:.3s}.channel-bars i:nth-child(4){animation-delay:.45s}.channel-bars i:nth-child(5){animation-delay:.2s}.channel-bars i:nth-child(6){animation-delay:.35s}.channel-bars i:nth-child(7){animation-delay:.1s}
@keyframes eq { 0%,100%{ height: 9px } 50%{ height: 34px } }

/* devices */
.devices-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 760px){ .devices-row { grid-template-columns: 1fr 1fr; } }
.dev-box { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 26px; text-align: center; transition: transform .25s, border-color .25s; }
.dev-box:hover { transform: translateY(-6px); border-color: rgba(148,92,255,.4); }
.dev-emoji { font-size: 2.6rem; margin-bottom: 12px; }
.dev-box strong { display: block; font-size: 1.1rem; font-weight: 800; }
.dev-box span { color: var(--text-muted); font-size: .82rem; }

/* architecture */
.arch-diagram { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; padding: 24px 14px; border: 1px solid var(--border); border-radius: 20px; background: var(--card); margin-bottom: 26px; }
.anode { display: flex; flex-direction: column; align-items: center; gap: 5px; text-align: center; min-width: 92px; }
.anode span { font-weight: 800; font-size: .9rem; color: #fff; }
.anode small { color: var(--text-muted); font-size: .7rem; }
.anode-ic { width: 56px; height: 56px; border-radius: 15px; display: grid; place-items: center; font-size: 1.5rem; background: linear-gradient(135deg, rgba(148,92,255,.22), rgba(254,1,212,.13)); border: 1px solid var(--border); animation: nodeGlow 3s ease-in-out infinite; }
@keyframes nodeGlow { 0%,100%{ box-shadow: 0 0 16px rgba(148,92,255,.2) } 50%{ box-shadow: 0 0 28px rgba(254,1,212,.4) } }
.aflow { flex: 1 1 26px; min-width: 26px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--primary), var(--secondary)); background-size: 200% 100%; opacity: .6; animation: flow 2s linear infinite; }
@keyframes flow { 0%{ background-position: 200% 0 } 100%{ background-position: -200% 0 } }
@media (max-width: 760px){ .arch-diagram { flex-direction: column; } .aflow { width: 2px; height: 20px; flex: none; } }
.tech-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px; transition: transform .25s, border-color .25s; }
.tech-card:hover { transform: translateY(-5px); border-color: rgba(148,92,255,.4); }
.tech-card h3 { font-size: 1.02rem; font-weight: 800; margin-bottom: 8px; }
.tech-card p { color: var(--text-muted); font-size: .85rem; }

/* stats */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center; }
@media (max-width: 760px){ .stats-row { grid-template-columns: 1fr 1fr; gap: 30px; } }
.stat-big strong { display: block; font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 900; line-height: 1; background: linear-gradient(90deg, #fff, var(--primary-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-big span { color: var(--text-muted); font-weight: 600; }

/* roadmap */
.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
@media (max-width: 900px){ .roadmap { grid-template-columns: 1fr 1fr; } }
.phase { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 24px; position: relative; }
.phase-dot { width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--secondary)); margin-bottom: 14px; box-shadow: 0 0 0 5px rgba(148,92,255,.16); }
.phase h3 { font-size: 1.02rem; font-weight: 800; margin-bottom: 8px; }
.phase p { color: var(--text-muted); font-size: .88rem; }

/* ===== Controls ===== */
.deck-controls { position: fixed; bottom: 22px; inset-inline: 0; z-index: 50; display: flex; align-items: center; justify-content: center; gap: 18px; }
.nav-btn { width: 52px; height: 52px; border-radius: 50%; background: var(--card-2); border: 1px solid var(--border); color: #fff; font-size: 1.3rem; cursor: pointer; transition: transform .2s, background .2s, border-color .2s; display: grid; place-items: center; }
.nav-btn:hover { transform: scale(1.08); border-color: var(--primary); background: rgba(148,92,255,.18); }
.nav-btn:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.deck-counter { font-weight: 800; color: var(--text-muted); min-width: 64px; text-align: center; font-size: .95rem; }
.deck-counter #curSlide { color: #fff; }

.deck-dots { position: fixed; inset-inline-end: 22px; top: 50%; transform: translateY(-50%); z-index: 50; display: flex; flex-direction: column; gap: 10px; }
.deck-dots button { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(255,255,255,.2); cursor: pointer; padding: 0; transition: all .25s; }
.deck-dots button.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); transform: scale(1.4); }
@media (max-width: 760px){ .deck-dots { display: none; } }

@media (prefers-reduced-motion: reduce) {
  .slide, .slide .anim { transition: opacity .2s !important; transform: none !important; }
  * { animation: none !important; }
}