*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}:root{--gold:#D4AF37;--gold-light:#f0d978;--red:#B31217;--red-dark:#8a0e12;--bg-dark:#0a0a0a;--bg-section:#111111;--text-primary:#ffffff;--text-secondary:rgba(255,255,255,0.6);--ff-display:'Playfair Display',Georgia,serif;--ff-body:'Inter',system-ui,sans-serif;}html{scroll-behavior:smooth;}body{background:var(--bg-dark);color:var(--text-primary);font-family:var(--ff-body);overflow-x:hidden;-webkit-font-smoothing:antialiased;}.text-gold{background:linear-gradient(135deg,var(--gold-light),var(--gold),var(--red));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.pres-progress{position:fixed;top:0;left:0;height:3px;width:0%;background:linear-gradient(90deg,var(--red),var(--gold));z-index:1000;transition:width 0.1s linear;}.pres-back{position:fixed;top:24px;left:24px;display:flex;align-items:center;gap:8px;color:rgba(255,255,255,0.6);text-decoration:none;font-size:0.85rem;font-weight:500;z-index:999;padding:8px 16px;border-radius:40px;background:rgba(0,0,0,0.5);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.08);transition:all 0.3s ease;}.pres-back:hover{color:var(--gold);border-color:rgba(212,175,55,0.3);background:rgba(0,0,0,0.7);}.pres-sidenav{position:fixed;left:20px;top:50%;transform:translateY(-50%);z-index:998;display:flex;flex-direction:column;align-items:flex-start;gap:0;}.pres-sidenav-toggle{display:none;width:36px;height:36px;border-radius:50%;background:rgba(0,0,0,0.7);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.1);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;margin-bottom:8px;}.pres-sidenav-toggle span{display:block;width:16px;height:1.5px;background:rgba(255,255,255,0.6);border-radius:2px;transition:all 0.3s ease;}.pres-sidenav-list{list-style:none;display:flex;flex-direction:column;gap:0;padding:12px 6px;background:rgba(0,0,0,0.5);backdrop-filter:blur(16px);border-radius:24px;border:1px solid rgba(255,255,255,0.06);}.pres-sidenav-list li{position:relative;}.pres-sidenav-list a{display:flex;align-items:center;gap:10px;padding:8px 10px;text-decoration:none;color:rgba(255,255,255,0.35);transition:all 0.3s ease;border-radius:16px;position:relative;white-space:nowrap;}.pres-sidenav-num{font-family:var(--ff-display);font-size:0.65rem;font-weight:700;letter-spacing:0.08em;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);flex-shrink:0;transition:all 0.3s ease;}.pres-sidenav-label{font-family:var(--ff-body);font-size:0.7rem;font-weight:500;letter-spacing:0.05em;text-transform:uppercase;opacity:0;max-width:0;overflow:hidden;transition:all 0.35s ease;}.pres-sidenav:hover .pres-sidenav-label,.pres-sidenav.expanded .pres-sidenav-label{opacity:1;max-width:120px;}.pres-sidenav-list a:hover{color:rgba(255,255,255,0.8);background:rgba(255,255,255,0.04);}.pres-sidenav-list a:hover .pres-sidenav-num{border-color:rgba(212,175,55,0.4);color:var(--gold);}.pres-sidenav-list a.active{color:var(--gold);}.pres-sidenav-list a.active .pres-sidenav-num{background:rgba(212,175,55,0.15);border-color:var(--gold);color:var(--gold);box-shadow:0 0 12px rgba(212,175,55,0.2);}@media (max-width:768px){.pres-sidenav{left:12px;}.pres-sidenav-toggle{display:flex;}.pres-sidenav-list{max-height:0;overflow:hidden;opacity:0;padding:0 6px;transition:all 0.4s ease;}.pres-sidenav.expanded .pres-sidenav-list{max-height:500px;opacity:1;padding:12px 6px;}.pres-sidenav-list a{padding:6px 8px;}.pres-sidenav-num{width:20px;height:20px;font-size:0.6rem;}}.pres-section{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:80px 24px 80px 120px;}.pres-container{max-width:1100px;width:100%;margin:0 auto;}.pres-label{display:inline-block;font-size:0.75rem;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--gold);margin-bottom:16px;opacity:0;transform:translateY(20px);}.pres-title{font-family:var(--ff-display);font-size:clamp(2rem,5vw,3.2rem);font-weight:700;line-height:1.15;margin-bottom:48px;opacity:0;transform:translateY(30px);}.pres-hero{min-height:100vh;background:var(--bg-dark);overflow:hidden;flex-direction:column;padding-left:24px;}.pres-hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 30%,rgba(212,175,55,0.08) 0%,transparent 60%),radial-gradient(ellipse at 20% 80%,rgba(179,18,23,0.06) 0%,transparent 50%);pointer-events:none;}.pres-hero-particles{position:absolute;inset:0;pointer-events:none;overflow:hidden;}.pres-hero-particles .particle{position:absolute;width:3px;height:3px;background:var(--gold);border-radius:50%;opacity:0;box-shadow:0 0 6px var(--gold),0 0 12px rgba(212,175,55,0.3);}.pres-hero-content{position:relative;z-index:2;text-align:center;}.pres-hero-label{display:block;font-size:0.8rem;font-weight:500;letter-spacing:4px;text-transform:uppercase;color:var(--gold);margin-bottom:24px;opacity:0;}.pres-hero-title{font-family:var(--ff-display);font-size:clamp(3rem,10vw,7rem);font-weight:900;line-height:1.05;margin-bottom:24px;}.pres-word{display:inline-block;opacity:0;transform:translateY(80px) rotateX(20deg);margin:0 8px;}.pres-word--accent{background:linear-gradient(135deg,var(--gold-light),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.pres-hero-sub{font-size:1.1rem;color:var(--text-secondary);line-height:1.7;max-width:500px;margin:0 auto 48px;opacity:0;}.pres-scroll-hint{display:flex;flex-direction:column;align-items:center;gap:8px;opacity:0;color:var(--text-secondary);font-size:0.8rem;letter-spacing:1px;}.pres-scroll-arrow{animation:bounceDown 2s ease-in-out infinite;}@keyframes bounceDown{0%,100%{transform:translateY(0);}50%{transform:translateY(8px);}}.pres-evolution{background:var(--bg-section);}.pres-compare{display:flex;align-items:center;gap:32px;justify-content:center;flex-wrap:wrap;}.pres-compare-card{flex:1;min-width:280px;max-width:400px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:20px;padding:36px 28px;text-align:center;opacity:0;transform:translateX(-60px);position:relative;overflow:hidden;}.pres-compare-card--new{transform:translateX(60px);border-color:rgba(212,175,55,0.15);}.pres-compare-card--new::before{content:'';position:absolute;inset:-1px;border-radius:20px;padding:1px;background:linear-gradient(135deg,rgba(212,175,55,0.3),transparent 50%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;}.pres-compare-tag{display:inline-block;font-size:0.7rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--text-secondary);margin-bottom:20px;padding:4px 12px;border:1px solid rgba(255,255,255,0.1);border-radius:20px;}.pres-compare-tag--new{color:var(--gold);border-color:rgba(212,175,55,0.3);background:rgba(212,175,55,0.08);}.pres-compare-img{margin-bottom:20px;}.pres-compare-img img{width:300px;height:300px;object-fit:contain;transition:transform 0.6s cubic-bezier(0.16,1,0.3,1);filter:drop-shadow(0 8px 24px rgba(0,0,0,0.4));}.pres-compare-card:hover .pres-compare-img img{transform:scale(1.12) rotate(1deg);filter:drop-shadow(0 12px 32px rgba(212,175,55,0.15));}.pres-compare-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.6;}.pres-compare-arrow{opacity:0;transform:scale(0.5);flex-shrink:0;}.pres-benefits{background:var(--bg-dark);}.pres-benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;}.pres-benefit-card{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:16px;padding:32px 24px;text-align:center;opacity:0;transform:translateY(40px);transition:all 0.4s ease;}.pres-benefit-card:hover{border-color:rgba(212,175,55,0.2);transform:translateY(-4px) !important;box-shadow:0 20px 60px rgba(212,175,55,0.08);}.pres-benefit-icon{width:56px;height:56px;margin:0 auto 16px;}.pres-benefit-icon svg{width:100%;height:100%;}.pres-benefit-card h3{font-family:var(--ff-display);font-size:1.15rem;font-weight:700;margin-bottom:8px;color:var(--gold);}.pres-benefit-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.6;}.pres-variables{background:var(--bg-section);}.pres-vars-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:960px;margin:0 auto;}.pres-var-card{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:16px;padding:28px 20px;text-align:center;opacity:0;transform:translateY(40px);transition:all 0.4s ease;}.pres-var-card:hover{border-color:rgba(212,175,55,0.2);transform:translateY(-4px) !important;}.pres-var-card--dark{background:rgba(255,255,255,0.06);}.pres-var-card--accent{background:rgba(212,175,55,0.05);border-color:rgba(212,175,55,0.2);position:relative;}.pres-var-card--accent::before{content:'';position:absolute;inset:-1px;border-radius:16px;padding:1px;background:linear-gradient(135deg,rgba(212,175,55,0.4),transparent 60%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;}.pres-var-img{margin-bottom:16px;height:160px;display:flex;align-items:center;justify-content:center;}.pres-var-img img{max-width:260px;max-height:150px;object-fit:contain;transition:transform 0.5s cubic-bezier(0.16,1,0.3,1);filter:drop-shadow(0 4px 16px rgba(0,0,0,0.3));}.pres-var-card:hover .pres-var-img img{transform:scale(1.15) rotate(-1deg);filter:drop-shadow(0 8px 24px rgba(212,175,55,0.12));}.pres-var-img--invert img{filter:brightness(0) invert(1) drop-shadow(0 4px 16px rgba(255,255,255,0.15));}.pres-var-card:hover .pres-var-img--invert img{filter:brightness(0) invert(1) drop-shadow(0 8px 24px rgba(212,175,55,0.2));transform:scale(1.15) rotate(-1deg);}.pres-var-card h4{font-family:var(--ff-display);font-size:1rem;font-weight:700;margin-bottom:6px;}.pres-var-card p{font-size:0.78rem;color:var(--text-secondary);line-height:1.5;}.pres-chromatic{background:var(--bg-dark);}.pres-colors-row{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;}.pres-color-block{text-align:center;opacity:0;transform:translateY(30px);}.pres-color-swatch{width:100px;height:100px;border-radius:16px;margin-bottom:12px;transition:transform 0.4s ease;box-shadow:0 8px 32px rgba(0,0,0,0.3);}.pres-color-block:hover .pres-color-swatch{transform:scale(1.1) rotate(3deg);}.pres-color-block strong{display:block;font-size:0.85rem;font-weight:600;margin-bottom:4px;}.pres-color-block code{font-size:0.75rem;color:var(--text-secondary);background:rgba(255,255,255,0.05);padding:2px 10px;border-radius:4px;}.pres-applications{background:var(--bg-section);min-height:auto;padding:100px 24px;}.pres-app-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}.pres-app-hero{position:relative;width:100%;margin-bottom:28px;opacity:0;transform:translateY(40px);overflow:hidden;}.pres-app-hero img{width:100%;height:auto;display:block;object-fit:contain;}.pres-app-hero-caption{text-align:center;padding:28px 24px 8px;}.pres-app-hero-caption h3{font-family:var(--ff-display);font-size:clamp(1.3rem,3vw,1.8rem);font-weight:700;margin-bottom:8px;}.pres-app-hero-caption p{font-size:0.95rem;color:var(--text-secondary);line-height:1.6;max-width:500px;margin:0 auto;}.pres-app-card{position:relative;border-radius:16px;overflow:hidden;opacity:0;transform:translateY(40px);aspect-ratio:16/10;}.pres-app-card--wide{grid-column:span 2;aspect-ratio:21/9;}.pres-app-card img{width:100%;height:100%;object-fit:cover;transition:transform 0.8s cubic-bezier(0.16,1,0.3,1);}.pres-app-card:hover img{transform:scale(1.06);}.pres-app-caption{position:absolute;bottom:0;left:0;right:0;padding:40px 24px 20px;background:linear-gradient(to top,rgba(0,0,0,0.85),transparent);}.pres-app-caption h4{font-family:var(--ff-display);font-size:1rem;font-weight:700;margin-bottom:4px;}.pres-app-caption p{font-size:0.8rem;color:var(--text-secondary);}.pres-guidelines{background:var(--bg-dark);}.pres-rules-list{max-width:600px;margin:0 auto;display:flex;flex-direction:column;gap:20px;}.pres-rule{display:flex;align-items:center;gap:16px;padding:20px 24px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:12px;opacity:0;transform:translateX(-40px);transition:border-color 0.3s ease;}.pres-rule:hover{border-color:rgba(212,175,55,0.2);}.pres-rule-check{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:rgba(212,175,55,0.1);display:flex;align-items:center;justify-content:center;}.pres-rule-check svg{opacity:0;transform:scale(0);}.pres-rule p{font-size:0.95rem;color:var(--text-secondary);line-height:1.5;}.pres-coverflow-section{padding-bottom:60px;overflow:hidden;}.pres-coverflow{position:relative;width:100%;margin-top:48px;padding:40px 0 0;}.pres-coverflow-stage{position:relative;width:100%;height:420px;perspective:1200px;display:flex;align-items:center;justify-content:center;}.pres-cf-slide{position:absolute;width:480px;height:360px;transition:none;cursor:pointer;}.pres-cf-card{width:100%;height:100%;border-radius:0;overflow:visible;background:transparent;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:none;}.pres-cf-card span{font-family:var(--ff-display);font-size:clamp(3rem,8vw,5rem);font-weight:900;background:linear-gradient(135deg,rgba(212,175,55,0.25),rgba(255,255,255,0.08));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:0.1em;user-select:none;position:relative;z-index:1;}.pres-cf-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;}.pres-cf-card img ~ span{display:none;}.pres-cf-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:20;width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,0.12);background:rgba(0,0,0,0.6);backdrop-filter:blur(12px);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease;}.pres-cf-arrow:hover{background:rgba(212,175,55,0.15);border-color:var(--gold);transform:translateY(-50%) scale(1.1);box-shadow:0 0 24px rgba(212,175,55,0.15);}.pres-cf-arrow--prev{left:24px;}.pres-cf-arrow--next{right:24px;}.pres-cf-footer{display:flex;align-items:center;gap:20px;padding:32px 0 0;max-width:360px;margin:0 auto;}.pres-cf-counter{font-family:var(--ff-display);font-size:0.9rem;color:rgba(255,255,255,0.4);letter-spacing:0.15em;white-space:nowrap;min-width:55px;}.pres-cf-counter #cfCurrent{color:var(--gold);font-weight:700;font-size:1.05rem;}.pres-cf-progress{flex:1;height:2px;background:rgba(255,255,255,0.06);border-radius:4px;overflow:hidden;}.pres-cf-progress-bar{height:100%;background:linear-gradient(90deg,var(--gold),var(--red));border-radius:4px;width:16.66%;transition:width 0.5s ease;box-shadow:0 0 6px rgba(212,175,55,0.3);}.pres-lightbox{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.35s ease;}.pres-lightbox.active{opacity:1;pointer-events:all;}.pres-lightbox-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);}.pres-lightbox-img{position:relative;z-index:2;max-width:90vw;max-height:88vh;object-fit:contain;border-radius:8px;box-shadow:0 30px 100px rgba(0,0,0,0.7);transform:scale(0.85);transition:transform 0.4s cubic-bezier(0.16,1,0.3,1);}.pres-lightbox.active .pres-lightbox-img{transform:scale(1);}.pres-lightbox-close{position:absolute;top:28px;right:32px;z-index:5;width:48px;height:48px;border:none;background:rgba(255,255,255,0.08);color:#fff;font-size:2rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.2s,transform 0.2s;}.pres-lightbox-close:hover{background:rgba(255,255,255,0.18);transform:rotate(90deg);}.pres-lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:56px;height:56px;border:1px solid rgba(255,255,255,0.15);background:rgba(255,255,255,0.06);color:#fff;font-size:1.5rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.2s,border-color 0.2s;}.pres-lightbox-nav:hover{background:rgba(212,175,55,0.15);border-color:var(--gold);}.pres-lightbox-prev{left:24px;}.pres-lightbox-next{right:24px;}@media (max-width:1024px){.pres-coverflow-stage{height:340px;}.pres-cf-slide{width:380px;height:285px;}}@media (max-width:768px){.pres-coverflow-stage{height:280px;}.pres-cf-slide{width:300px;height:225px;}.pres-cf-arrow{width:42px;height:42px;}.pres-cf-arrow--prev{left:8px;}.pres-cf-arrow--next{right:8px;}}@media (max-width:480px){.pres-coverflow-stage{height:220px;}.pres-cf-slide{width:240px;height:180px;}}.pres-closing{min-height:100vh;flex-direction:column;text-align:center;overflow:hidden;padding-left:24px;}.pres-closing-bg{position:absolute;inset:0;}.pres-closing-bg img{width:100%;height:100%;object-fit:cover;filter:blur(4px) brightness(0.3);}.pres-closing-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(10,10,10,0.7),rgba(10,10,10,0.95));}.pres-closing-content{position:relative;z-index:2;}.pres-closing-logo{width:280px;margin-bottom:40px;opacity:0;transform:scale(0.5);filter:drop-shadow(0 12px 40px rgba(212,175,55,0.2));}.pres-closing-title{font-family:var(--ff-display);font-size:clamp(1.6rem,4vw,2.8rem);font-weight:700;line-height:1.2;margin-bottom:16px;max-width:600px;margin-left:auto;margin-right:auto;opacity:0;transform:translateY(30px);background:linear-gradient(135deg,#fff,var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.pres-closing-sub{font-size:1rem;color:var(--text-secondary);margin-bottom:40px;opacity:0;transform:translateY(20px);}.pres-closing-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:50px;background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;text-decoration:none;font-weight:600;font-size:0.9rem;border:1px solid rgba(212,175,55,0.2);transition:all 0.4s ease;opacity:0;transform:translateY(20px);}.pres-closing-btn:hover{transform:translateY(-2px) !important;box-shadow:0 12px 40px rgba(179,18,23,0.4);border-color:var(--gold);}@keyframes shimmerGlow{0%{background-position:-200% 0;}100%{background-position:200% 0;}}.pres-var-card--accent::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,rgba(212,175,55,0.06) 50%,transparent 100%);background-size:200% 100%;animation:shimmerGlow 4s ease-in-out infinite;border-radius:16px;pointer-events:none;}@keyframes floatSoft{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}.pres-compare-card--new{animation:floatSoft 4s ease-in-out infinite;}@media (max-width:768px){.pres-compare{flex-direction:column;gap:16px;}.pres-compare-arrow{transform:rotate(90deg) scale(0.5);}.pres-compare-img img{width:200px;height:200px;}.pres-vars-grid{grid-template-columns:repeat(2,1fr);gap:16px;}.pres-var-img img{max-width:160px;max-height:110px;}.pres-var-img{height:120px;}.pres-app-grid{grid-template-columns:1fr;}.pres-app-card--wide{grid-column:span 1;aspect-ratio:16/10;}.pres-colors-row{gap:16px;}.pres-color-swatch{width:72px;height:72px;}.pres-back span{display:none;}.pres-closing-logo{width:200px;}}@media (max-width:480px){.pres-vars-grid{grid-template-columns:1fr;gap:14px;}}