:root{--purple-primary:#9333ea;--purple-primary-hover:#7e22ce;--purple-light:#f3e8ff;--purple-gradient-from:#a855f7;--purple-gradient-to:#ec4899;--green-primary:#22c55e;--green-primary-hover:#16a34a;--green-light:#d1fae5;--green-gradient-from:#34d399;--green-gradient-to:#10b981;--blue-primary:#3b82f6;--blue-primary-hover:#2563eb;--blue-light:#dbeafe;--blue-gradient-from:#60a5fa;--blue-gradient-to:#3b82f6;--orange-primary:#f97316;--orange-primary-hover:#ea580c;--orange-light:#ffedd5;--orange-gradient-from:#fb923c;--orange-gradient-to:#f97316;--pink-primary:#ec4899;--pink-primary-hover:#db2777;--pink-light:#fce7f3;--pink-gradient-from:#f472b6;--pink-gradient-to:#ec4899;--neutral-50:#fafafa;--neutral-100:#f5f5f5;--neutral-200:#e5e5e5;--neutral-800:#262626;--neutral-900:#171717}[data-color-scheme=purple]{--primary:var(--purple-primary);--primary-hover:var(--purple-primary-hover);--light:var(--purple-light);--gradient-from:var(--purple-gradient-from);--gradient-to:var(--purple-gradient-to)}[data-color-scheme=green]{--primary:var(--green-primary);--primary-hover:var(--green-primary-hover);--light:var(--green-light);--gradient-from:var(--green-gradient-from);--gradient-to:var(--green-gradient-to)}[data-color-scheme=blue]{--primary:var(--blue-primary);--primary-hover:var(--blue-primary-hover);--light:var(--blue-light);--gradient-from:var(--blue-gradient-from);--gradient-to:var(--blue-gradient-to)}[data-color-scheme=orange]{--primary:var(--orange-primary);--primary-hover:var(--orange-primary-hover);--light:var(--orange-light);--gradient-from:var(--orange-gradient-from);--gradient-to:var(--orange-gradient-to)}[data-color-scheme=pink]{--primary:var(--pink-primary);--primary-hover:var(--pink-primary-hover);--light:var(--pink-light);--gradient-from:var(--pink-gradient-from);--gradient-to:var(--pink-gradient-to)}.presentation-carousel-container{width:100%;padding:60px 24px;background:var(--neutral-50)}.presentation-header{max-width:1280px;margin:0 auto 40px;display:flex;justify-content:space-between;align-items:flex-start;gap:32px}.section-badge{display:inline-block;background:var(--light);color:var(--primary);padding:6px 16px;border-radius:20px;font-size:.875rem;font-weight:600;margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}.section-title{font-size:2.5rem;font-weight:700;color:var(--neutral-900);line-height:1.2;margin-bottom:16px}.section-subtitle{font-size:1.125rem;color:#6b7280;line-height:1.6;max-width:900px}.presentation-cta{background:var(--primary);color:#fff;padding:14px 28px;border-radius:12px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s ease;display:flex;align-items:center;gap:8px;white-space:nowrap}.presentation-cta:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 16px rgba(0,0,0,.15)}.presentation-main{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.presentation-button-tray{position:relative;background:var(--light);border-radius:12px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,.08);display:flex;gap:48px;align-items:center;overflow-x:auto;overflow-y:hidden;min-height:64px}.presentation-button-tray::-webkit-scrollbar{display:none}.presentation-button-tray{-ms-overflow-style:none;scrollbar-width:none}.presentation-button-active{position:absolute;left:0;top:12px;height:40px;background:transparent;border:1px solid var(--primary);border-radius:8px;padding:0 20px;display:flex;align-items:center;justify-content:center;transition:transform .4s cubic-bezier(.4,0,.2,1);overflow:hidden;z-index:2}.presentation-button-progress{position:absolute;left:0;top:0;height:100%;background:hsla(0,0%,100%,.5);transition:width .1s linear;border-radius:7px}.presentation-button-label{color:var(--primary);font-weight:600}.presentation-button-inactive,.presentation-button-label{position:relative;z-index:1;font-size:.9375rem;white-space:nowrap}.presentation-button-inactive{background:transparent;border:none;padding:0 20px;height:40px;color:rgba(0,0,0,.6);font-weight:500;cursor:pointer;transition:all .2s ease;flex-shrink:0}.presentation-button-inactive:hover{color:var(--primary)}.presentation-button-inactive.active{pointer-events:none}.presentation-video-container{position:relative;border-radius:16px;overflow:hidden;background:#000;box-shadow:0 4px 24px rgba(0,0,0,.12);aspect-ratio:16/9}.presentation-video{width:100%;height:100%;object-fit:cover;display:block}.presentation-video-loading{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--neutral-200)}.presentation-audio-control{position:absolute;z-index:10}.presentation-audio-top-right{top:16px;right:16px}.presentation-audio-top-left{top:16px;left:16px}.presentation-loading{display:flex;align-items:center;justify-content:center;padding:60px}.presentation-loading-spinner{width:48px;height:48px;border:4px solid var(--neutral-200);border-top-color:var(--purple-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.presentation-empty{text-align:center;padding:60px 24px;color:#6b7280}@media (max-width:1024px){.presentation-header{flex-direction:column;align-items:flex-start}.section-title{font-size:2rem}}@media (max-width:768px){.presentation-carousel-container{padding:40px 16px}.section-title{font-size:1.75rem}.presentation-button-tray{gap:32px}.presentation-button-inactive,.presentation-button-label{font-size:.875rem;padding:0 16px}.presentation-button-active,.presentation-button-inactive{height:36px}}@media (max-width:640px){.presentation-carousel-container{padding:32px 12px}.section-title{font-size:1.5rem}.section-subtitle{font-size:1rem}.presentation-button-tray{padding:8px;gap:24px}.presentation-button-inactive,.presentation-button-label{font-size:.8125rem;padding:0 12px}.presentation-button-active{height:32px;top:8px}.presentation-button-inactive{height:32px}.presentation-audio-top-left,.presentation-audio-top-right{top:12px}.presentation-audio-top-right{right:12px}.presentation-audio-top-left{left:12px}}.presentation-video-control{display:flex;align-items:center;gap:8px;background:var(--primary);border:none;border-radius:50px;padding:12px 16px;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px rgba(0,0,0,.15)}.presentation-video-control:hover{background:var(--primary-hover);transform:scale(1.05);box-shadow:0 4px 12px rgba(0,0,0,.2)}.presentation-video-control-icon{display:flex;align-items:center;justify-content:center;color:#fff}.presentation-video-control-label{color:#fff;font-size:14px;font-weight:500;white-space:nowrap}.presentation-video-control:not(:has(.presentation-video-control-label)){border-radius:50%;padding:12px;width:44px;height:44px}@media (max-width:768px){.presentation-video-control{padding:10px 14px}.presentation-video-control:not(:has(.presentation-video-control-label)){padding:10px;width:40px;height:40px}.presentation-video-control-label{font-size:13px}}@media (max-width:640px){.presentation-video-control{padding:8px 12px}.presentation-video-control:not(:has(.presentation-video-control-label)){padding:8px;width:36px;height:36px}.presentation-video-control-label{font-size:12px}}