:root{--navy-900:#081121;--navy-800:#0f1c32;--navy-700:#172846;--navy-600:#20365a;--navy-500:#2b4570;--navy-400:#385687;--gold-500:#b37332;--gold-400:#c68541;--gold-300:#d79854;--gold-200:#e6b072;--gold-100:#f2ca98;--teal-500:#0e7477;--teal-400:#148f93;--teal-300:#1cb0b4;--cream:#fcfaf5;--cream-200:#f4efe4;--white:#fff;--text-light:#ece7dc;--text-muted:#a1a9b8;--text-dark:#081121;--font-serif:"Merriweather", serif;--font-display:"Merriweather", serif;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--shadow-gold:0 4px 30px #c9a84c40;--shadow-navy:0 10px 60px #0a162880;--shadow-card:0 8px 40px #0a16284d;--border-gold:1px solid #c9a84c4d;--border-gold-strong:1px solid #c9a84c99;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--transition-base:.3s cubic-bezier(.4, 0, .2, 1);--transition-slow:.6s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background-color:var(--navy-900);color:var(--text-light);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}ul,ol{list-style:none}h1,h2,h3{font-family:var(--font-serif);line-height:1.2}h4,h5,h6{font-family:var(--font-sans);font-weight:600;line-height:1.3}.text-gold{color:var(--gold-400)}.text-teal{color:var(--teal-300)}.text-muted{color:var(--text-muted)}.text-cream{color:var(--cream)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.container--narrow{max-width:900px}.container--wide{max-width:1400px}.section{padding:100px 0}.section--dark{background-color:var(--navy-800)}.section--darker{background-color:var(--navy-900)}.section--accent{background:linear-gradient(135deg, var(--navy-700) 0%, var(--navy-800) 100%)}.section-label{letter-spacing:3px;text-transform:uppercase;color:var(--gold-400);align-items:center;gap:10px;margin-bottom:16px;font-size:.75rem;font-weight:700;display:inline-flex}.section-label:before{content:"";background:var(--gold-400);width:32px;height:1px;display:block}.section-title{color:var(--white);margin-bottom:20px;font-size:clamp(2rem,4vw,3rem);font-weight:700}.section-title span{color:var(--gold-400)}.section-subtitle{color:var(--text-muted);max-width:600px;font-size:1.1rem;line-height:1.7}.btn{font-family:var(--font-sans);letter-spacing:.5px;cursor:pointer;transition:var(--transition-base);border:none;border-radius:8px;align-items:center;gap:8px;padding:14px 28px;font-size:.925rem;font-weight:600;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.btn:after{content:"";opacity:0;transition:var(--transition-base);background:#ffffff1a;position:absolute;inset:0}.btn:hover:after{opacity:1}.btn--primary{background:linear-gradient(135deg, var(--gold-500), var(--gold-300));color:var(--navy-900);box-shadow:0 4px 20px #c9a84c66}.btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px #c9a84c80}.btn--outline{color:var(--gold-300);background:0 0;border:1px solid #c9a84c80}.btn--outline:hover{border-color:var(--gold-400);background:#c9a84c14;transform:translateY(-2px)}.btn--ghost{color:var(--white);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff12;border:1px solid #ffffff1f}.btn--ghost:hover{background:#ffffff1f;transform:translateY(-2px)}.btn--teal{background:linear-gradient(135deg, var(--teal-500), var(--teal-300));color:var(--white)}.btn--teal:hover{transform:translateY(-2px);box-shadow:0 8px 30px #20919b66}.btn--danger{color:#fff;background:linear-gradient(135deg,#dc2626,#ef4444)}.btn--sm{padding:8px 18px;font-size:.825rem}.btn-icon{flex-shrink:0;width:18px;height:18px}.nav{z-index:1000;transition:var(--transition-base);padding:0 24px;position:fixed;top:0;left:0;right:0}.nav.scrolled{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0a1628f2;border-bottom:1px solid #c9a84c26;box-shadow:0 4px 30px #0000004d}.nav-inner{justify-content:space-between;align-items:center;max-width:1200px;height:72px;margin:0 auto;display:flex}.nav-logo{flex-direction:column;gap:2px;display:flex}.nav-logo-main{font-family:var(--font-serif);color:var(--gold-400);letter-spacing:.5px;font-size:1rem;font-weight:700}.nav-logo-sub{color:var(--text-muted);letter-spacing:1.5px;text-transform:uppercase;font-size:.65rem;font-weight:500}.nav-links{align-items:center;gap:32px;display:flex}.nav-links a{color:var(--text-light);transition:var(--transition-base);padding-bottom:4px;font-size:.875rem;font-weight:500;position:relative}.nav-links a:not(.nav-cta):after{content:"";background:var(--gold-400);width:0;height:1px;transition:var(--transition-base);position:absolute;bottom:0;left:0}.nav-links a:not(.nav-cta):hover,.nav-links a:not(.nav-cta).active{color:var(--gold-300)}.nav-links a:not(.nav-cta):hover:after,.nav-links a:not(.nav-cta).active:after{width:100%}.nav-cta{border:1px solid var(--teal-400);color:var(--teal-300);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:var(--transition-base);background:linear-gradient(135deg,#148f9326,#0e74770d);border-radius:30px;padding:10px 22px;font-size:.825rem;font-weight:600}.nav-cta:hover{background:var(--teal-400);color:var(--white);transform:translateY(-2px);box-shadow:0 4px 16px #148f934d}.nav-menu-btn{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:4px;display:none}.nav-menu-btn span{background:var(--gold-400);width:24px;height:2px;transition:var(--transition-base);border-radius:2px;display:block}.nav-mobile{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0a1628fa;border-top:1px solid #c9a84c26;flex-direction:column;gap:0;max-height:0;padding:0;transition:max-height .4s,padding .4s;display:none;overflow:hidden}.nav-mobile.open{max-height:500px;padding:16px 0}.nav-mobile a{color:var(--text-light);transition:var(--transition-base);border-bottom:1px solid #ffffff0d;padding:12px 24px;font-size:.925rem;display:block}.nav-mobile a:hover{color:var(--gold-300);background:#c9a84c0d;padding-left:32px}.hero{background:var(--navy-900);align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.hero-bg{z-index:0;position:absolute;inset:0}.hero-bg-grid{background-image:radial-gradient(#c9a84c26 1px,#0000 1px);background-size:32px 32px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(60% 60%,#000 10%,#0000 100%);mask-image:radial-gradient(60% 60%,#000 10%,#0000 100%)}.hero-bg-glow{filter:blur(80px);background:radial-gradient(circle,#c9a84c26 0%,#0000 60%);border-radius:50%;width:700px;height:700px;position:absolute;top:-10%;right:-5%}.hero-bg-glow-2{filter:blur(80px);background:radial-gradient(circle,#26a8b526 0%,#0000 60%);border-radius:50%;width:600px;height:600px;position:absolute;bottom:-20%;left:-10%}.hero-content{z-index:1;grid-template-columns:1fr 1fr;align-items:center;gap:80px;width:100%;max-width:1200px;margin:0 auto;padding:120px 24px 80px;display:grid;position:relative}.hero-text{max-width:600px}.hero-badge{letter-spacing:1.5px;text-transform:uppercase;color:var(--gold-300);background:#c9a84c1a;border:1px solid #c9a84c4d;border-radius:100px;align-items:center;gap:8px;margin-bottom:28px;padding:6px 16px 6px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.hero-badge-dot{background:var(--gold-400);border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.hero-title{font-family:var(--font-display);color:var(--white);margin-bottom:8px;font-size:clamp(2.5rem,5vw,4rem);font-weight:400;line-height:1.1}.hero-title-accent{background:linear-gradient(135deg, var(--gold-300), var(--gold-500));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:4px;font-size:clamp(3rem,7vw,5.5rem);font-style:italic;font-weight:400;line-height:1;display:block}.hero-title-sub{font-family:var(--font-sans);color:var(--text-muted);letter-spacing:3px;text-transform:uppercase;-webkit-text-fill-color:unset;background:0 0;background-clip:unset;margin-top:8px;margin-bottom:16px;font-size:clamp(.8rem,1.5vw,1rem);font-style:normal;font-weight:400;display:block}.hero-tagline{font-family:var(--font-serif);color:var(--cream-200);margin-bottom:16px;font-size:clamp(1.1rem,2vw,1.4rem);font-style:italic;line-height:1.5}.hero-desc{color:var(--text-muted);max-width:500px;margin-bottom:36px;font-size:1rem;line-height:1.7}.hero-authors{align-items:center;gap:12px;margin-bottom:40px;display:flex}.hero-authors-label{letter-spacing:1.5px;text-transform:uppercase;color:var(--text-muted);font-size:.75rem;font-weight:600}.hero-authors-names{color:var(--gold-300);font-size:.875rem;font-weight:600}.hero-authors-sep{background:#fff3;width:1px;height:20px}.hero-ctas{flex-wrap:wrap;gap:12px;display:flex}.hero-visual{flex-direction:column;align-items:center;gap:24px;display:flex}.hero-book-wrap{perspective:1000px;position:relative}.hero-book-img{width:100%;max-width:340px;transition:transform var(--transition-slow);border-radius:4px 16px 16px 4px;transform:rotateY(-8deg)rotateX(2deg);box-shadow:-8px 8px 40px #0009,-2px 2px 10px #0006,0 0 60px #c9a84c33}.hero-book-img:hover{transform:rotateY(-3deg)rotateX(1deg)scale(1.02)}.hero-stats{grid-template-columns:repeat(3,1fr);gap:16px;width:100%;max-width:340px;display:grid}.hero-stat{border:var(--border-gold);text-align:center;background:#ffffff0a;border-radius:12px;padding:14px 12px}.hero-stat-number{font-family:var(--font-serif);color:var(--gold-400);margin-bottom:4px;font-size:1.5rem;font-weight:700;line-height:1;display:block}.hero-stat-label{color:var(--text-muted);letter-spacing:.5px;font-size:.7rem}.problems-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px;display:grid}.problem-card{border-radius:var(--radius-md);transition:var(--transition-base);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff08;border:1px solid #ffffff14;padding:32px 28px;position:relative}.problem-card:before{content:"";background:linear-gradient(90deg, var(--teal-500), var(--teal-300));opacity:0;height:2px;transition:var(--transition-base);border-radius:2px 2px 0 0;position:absolute;top:0;left:0;right:0}.problem-card:hover{box-shadow:var(--shadow-card);border-color:#c9a84c33;transform:translateY(-4px)}.problem-card:hover:before{opacity:1}.problem-icon{background:linear-gradient(135deg,#1a7a7a33,#20919b1a);border:1px solid #1a7a7a4d;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:20px;font-size:1.5rem;display:flex}.problem-title{color:var(--white);margin-bottom:10px;font-size:1rem;font-weight:600}.problem-desc{color:var(--text-muted);font-size:.875rem;line-height:1.6}.formula-section{text-align:center;padding:100px 0;position:relative;overflow:hidden}.formula-section:before{content:"PCCB";font-family:var(--font-serif);color:#c9a84c08;pointer-events:none;white-space:nowrap;font-size:20rem;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.formula-equation{z-index:1;flex-wrap:wrap;justify-content:center;align-items:center;gap:0;margin:60px 0;display:flex;position:relative}.formula-item{border:var(--border-gold);border-radius:var(--radius-md);min-width:160px;transition:var(--transition-base);cursor:default;background:#ffffff08;flex-direction:column;align-items:center;gap:8px;padding:28px 24px;display:flex}.formula-item:hover{box-shadow:var(--shadow-gold);background:#c9a84c0f;transform:translateY(-4px)}.formula-letter{font-family:var(--font-serif);color:var(--gold-400);font-size:3rem;font-weight:700;line-height:1}.formula-name{letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);text-align:center;font-size:.75rem;font-weight:600}.formula-meaning{color:var(--text-light);text-align:center;font-size:.875rem;font-weight:500}.formula-operator{font-family:var(--font-serif);color:var(--gold-500);align-self:center;padding:0 12px;font-size:2rem;font-weight:300}.formula-result{border:var(--border-gold-strong);border-radius:var(--radius-lg);text-align:center;z-index:1;background:linear-gradient(135deg,#c9a84c14,#c9a84c08);width:100%;max-width:900px;margin:0 auto;padding:32px 48px;position:relative}.formula-result-eq{font-family:var(--font-serif);color:var(--gold-300);font-size:clamp(1rem,2.5vw,1.3rem);line-height:1.5}.formula-image{border-radius:var(--radius-md);border:var(--border-gold);width:100%;max-width:600px;box-shadow:var(--shadow-gold);z-index:1;margin:40px auto 0;position:relative;overflow:hidden}.steps-grid{grid-template-columns:repeat(2,1fr);gap:24px;margin-top:60px;display:grid}.step-card{border-radius:var(--radius-md);transition:var(--transition-base);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff08;border:1px solid #ffffff14;padding:36px 32px;position:relative;overflow:hidden}.step-card:hover{box-shadow:var(--shadow-card);border-color:#c9a84c40;transform:translateY(-4px)}.step-card:after{content:attr(data-letter);font-family:var(--font-serif);color:#c9a84c0a;pointer-events:none;font-size:8rem;font-weight:700;line-height:1;position:absolute;bottom:-20px;right:-10px}.step-number{background:linear-gradient(135deg, var(--gold-500), var(--gold-300));width:36px;height:36px;color:var(--navy-900);letter-spacing:.5px;border-radius:8px;justify-content:center;align-items:center;margin-bottom:20px;font-size:.75rem;font-weight:700;display:flex}.step-title{font-family:var(--font-serif);color:var(--white);margin-bottom:8px;font-size:1.5rem;font-weight:700}.step-subtitle{letter-spacing:1.5px;text-transform:uppercase;color:var(--gold-400);margin-bottom:14px;font-size:.8rem;font-weight:600}.step-desc{color:var(--text-muted);font-size:.9rem;line-height:1.7}.book-parts{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:60px;display:grid}.book-part{border-radius:var(--radius-md);transition:var(--transition-base);background:#ffffff08;border:1px solid #ffffff14;flex-direction:column;display:flex;overflow:hidden}.book-part-img{aspect-ratio:16/9;border-bottom:1px solid #ffffff14;overflow:hidden}.book-part-img img{object-fit:cover;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,0,.2,1)}.book-part:hover .book-part-img img{transform:scale(1.05)}.book-part-content{flex-direction:column;flex-grow:1;padding:28px 24px;display:flex}.book-part:hover{box-shadow:var(--shadow-card);background:#c9a84c0a;border-color:#c9a84c4d;transform:translateY(-3px)}.book-part-num{letter-spacing:2px;text-transform:uppercase;color:var(--gold-500);margin-bottom:10px;font-size:.7rem;font-weight:700}.book-part-title{font-family:var(--font-serif);color:var(--white);margin-bottom:8px;font-size:1.1rem;font-weight:700}.book-part-chapters{color:var(--teal-300);letter-spacing:.5px;margin-bottom:10px;font-size:.75rem;font-weight:600}.book-part-desc{color:var(--text-muted);font-size:.825rem;line-height:1.6}.tools-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:50px;display:grid}.tool-card{border:var(--border-gold);border-radius:var(--radius-md);transition:var(--transition-base);background:#ffffff08;flex-direction:column;gap:12px;padding:24px;display:flex}.tool-card:hover{box-shadow:var(--shadow-gold);background:#c9a84c0f;transform:translateY(-3px)}.tool-icon{font-size:1.75rem}.tool-name{color:var(--white);font-size:.875rem;font-weight:700}.tool-desc{color:var(--text-muted);font-size:.8rem;line-height:1.5}.timeline{grid-template-columns:repeat(3,1fr);gap:0;margin-top:60px;display:grid;position:relative}.timeline:before{content:"";background:linear-gradient(90deg, var(--gold-500), var(--gold-300), var(--teal-400));z-index:0;height:2px;position:absolute;top:48px;left:16.6667%;right:16.6667%}.timeline-item{text-align:center;z-index:1;padding:0 20px;position:relative}.timeline-circle{background:linear-gradient(135deg, var(--navy-600), var(--navy-700));border:2px solid var(--gold-500);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:96px;height:96px;margin:0 auto 24px;display:flex;box-shadow:0 0 30px #c9a84c33}.timeline-days{font-family:var(--font-serif);color:var(--gold-400);font-size:1.75rem;font-weight:700;line-height:1}.timeline-unit{letter-spacing:1.5px;text-transform:uppercase;color:var(--text-muted);font-size:.65rem;font-weight:600}.timeline-title{font-family:var(--font-serif);color:var(--white);margin-bottom:10px;font-size:1.1rem;font-weight:700}.timeline-desc{color:var(--text-muted);font-size:.825rem;line-height:1.6}.audience-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;margin-top:50px;display:grid}.audience-card{border-radius:var(--radius-md);text-align:center;transition:var(--transition-base);background:#ffffff08;border:1px solid #ffffff12;padding:28px 20px}.audience-card:hover{border-color:var(--teal-500);background:#1a7a7a12;transform:translateY(-4px)}.audience-emoji{margin-bottom:14px;font-size:2.5rem;display:block}.audience-title{color:var(--white);margin-bottom:6px;font-size:.925rem;font-weight:700}.audience-desc{color:var(--text-muted);font-size:.775rem;line-height:1.5}.authors-grid{grid-template-columns:repeat(2,1fr);gap:40px;margin-top:60px;display:grid}.author-card{border:var(--border-gold);border-radius:var(--radius-lg);transition:var(--transition-base);background:#ffffff08;overflow:hidden}.author-card:hover{box-shadow:var(--shadow-gold);transform:translateY(-4px)}.author-img-wrap{height:320px;position:relative;overflow:hidden}.author-img-wrap img{object-fit:cover;object-position:top center;width:100%;height:100%;transition:transform var(--transition-slow)}.author-card:hover .author-img-wrap img{transform:scale(1.03)}.author-img-overlay{background:linear-gradient(#0000,#0a1628cc);height:50%;position:absolute;bottom:0;left:0;right:0}.author-info{padding:28px 32px}.author-role{letter-spacing:2px;text-transform:uppercase;color:var(--gold-400);margin-bottom:8px;font-size:.7rem;font-weight:700}.author-name{font-family:var(--font-serif);color:var(--white);margin-bottom:12px;font-size:1.5rem;font-weight:700}.author-bio{color:var(--text-muted);font-size:.875rem;line-height:1.7}.cta-banner{background:linear-gradient(135deg, var(--navy-600) 0%, var(--navy-700) 50%, var(--navy-600) 100%);border:var(--border-gold);border-radius:var(--radius-xl);text-align:center;margin:100px 0;padding:60px 80px;position:relative;overflow:hidden}.cta-banner:before{content:"";pointer-events:none;background:radial-gradient(circle,#c9a84c14 0%,#0000 60%);width:200%;height:200%;position:absolute;top:-50%;left:-50%}.cta-banner-title{font-family:var(--font-serif);color:var(--white);z-index:1;margin-bottom:16px;font-size:clamp(1.75rem,3vw,2.5rem);position:relative}.cta-banner-desc{color:var(--text-muted);z-index:1;max-width:540px;margin:0 auto 36px;font-size:1rem;line-height:1.7;position:relative}.cta-banner-actions{z-index:1;flex-wrap:wrap;justify-content:center;gap:14px;display:flex;position:relative}.contact-grid{grid-template-columns:1fr 1fr;align-items:start;gap:60px;margin-top:60px;display:grid}.contact-info h3{font-family:var(--font-serif);color:var(--white);margin-bottom:16px;font-size:1.75rem;font-weight:700}.contact-info 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