:root{--bg-void: #050508;--bg-deep: #0a0a0f;--bg-surface: #0f0f17;--bg-elevated: #14141f;--bg-card: #181825;--bg-card-hover: #1e1e2e;--bg-input: #12121c;--gold-100: #faf0d1;--gold-200: #f0dfa0;--gold-300: #e8d48b;--gold-400: #d4b85c;--gold-500: #c9a84c;--gold-600: #b8933a;--gold-700: #97762d;--gold-800: #705520;--cyan-400: #4ecdc4;--cyan-500: #3dbeb6;--cyan-600: #2da8a0;--text-primary: #eae8e4;--text-secondary: #a09e99;--text-tertiary: #6b6966;--text-muted: #4a4845;--border-subtle: rgba(255, 255, 255, .04);--border-light: rgba(255, 255, 255, .07);--border-medium: rgba(255, 255, 255, .1);--border-gold: rgba(201, 168, 76, .25);--border-gold-strong: rgba(201, 168, 76, .5);--glow-gold: rgba(201, 168, 76, .15);--glow-gold-strong: rgba(201, 168, 76, .3);--glow-cyan: rgba(78, 205, 196, .1);--gradient-gold: linear-gradient(135deg, #c9a84c, #e8d48b);--gradient-gold-subtle: linear-gradient(135deg, rgba(201,168,76,.15), rgba(232,212,139,.05));--gradient-surface: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-deep) 100%);--gradient-card: linear-gradient(145deg, rgba(24,24,37,.8), rgba(20,20,31,.4));--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 16px rgba(0,0,0,.4);--shadow-lg: 0 8px 40px rgba(0,0,0,.5);--shadow-xl: 0 20px 60px rgba(0,0,0,.6);--shadow-gold: 0 4px 30px rgba(201,168,76,.15);--shadow-gold-lg: 0 8px 50px rgba(201,168,76,.2);--font-display: "Playfair Display", Georgia, "Times New Roman", serif;--font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--space-4xl: 6rem;--space-5xl: 8rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s;--duration-slower: .8s;--container-max: 1200px;--container-narrow: 900px;--nav-height: 70px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--text-primary);background-color:var(--bg-void);overflow-x:hidden;min-height:100vh}a{color:inherit;text-decoration:none;transition:color var(--duration-fast) ease}img{max-width:100%;display:block}button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;border:none;outline:none;background:none}button{cursor:pointer}::selection{background:#c9a84c4d;color:var(--gold-100)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-void)}::-webkit-scrollbar-thumb{background:var(--gold-700);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--gold-500)}.ambient-bg{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.ambient-orb{position:absolute;border-radius:50%;filter:blur(120px);opacity:.35;animation:orbFloat 20s ease-in-out infinite}.ambient-orb--gold{width:500px;height:500px;background:radial-gradient(circle,rgba(201,168,76,.2) 0%,transparent 70%);top:-10%;right:-5%;animation-delay:0s}.ambient-orb--cyan{width:400px;height:400px;background:radial-gradient(circle,rgba(78,205,196,.12) 0%,transparent 70%);bottom:20%;left:-8%;animation-delay:-7s}.ambient-orb--purple{width:350px;height:350px;background:radial-gradient(circle,rgba(139,92,246,.08) 0%,transparent 70%);top:50%;left:40%;animation-delay:-14s}@keyframes orbFloat{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-40px) scale(1.1)}66%{transform:translate(-20px,30px) scale(.9)}}.grain-overlay{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");background-repeat:repeat;background-size:256px}.section__container{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-xl)}.section__header{text-align:center;margin-bottom:var(--space-3xl);max-width:700px;margin-left:auto;margin-right:auto}.section__title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:600;line-height:1.2;color:var(--text-primary);margin-bottom:var(--space-lg);letter-spacing:-.01em}.section__title em{font-style:italic;color:var(--gold-400)}.section__desc{font-size:1.05rem;color:var(--text-secondary);line-height:1.7;max-width:560px;margin:0 auto}.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-height);backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);background:#050508bf;border-bottom:1px solid var(--border-subtle);transition:background var(--duration-normal) ease,box-shadow var(--duration-normal) ease}.nav--scrolled{background:#050508eb;box-shadow:0 1px 30px #0006}.nav__container{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-xl);height:100%;display:flex;align-items:center;justify-content:space-between}.nav__logo{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-display);font-size:1.15rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.nav__logo em{color:var(--gold-400);font-style:italic}.nav__logo-icon{display:flex;color:var(--gold-400)}.nav__links{display:flex;align-items:center;gap:var(--space-2xl);list-style:none}.nav__link{font-size:.875rem;font-weight:500;color:var(--text-secondary);letter-spacing:.02em;position:relative;padding:var(--space-xs) 0;transition:color var(--duration-fast) ease}.nav__link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--gradient-gold);transition:width var(--duration-normal) var(--ease-out)}.nav__link:hover{color:var(--gold-300)}.nav__link:hover:after{width:100%}.nav__toggle{display:none;flex-direction:column;gap:5px;padding:var(--space-sm)}.nav__toggle span{display:block;width:22px;height:1.5px;background:var(--text-secondary);transition:all var(--duration-normal) var(--ease-out);transform-origin:center}.nav__toggle.active span:nth-child(1){transform:rotate(45deg) translate(4px,5px)}.nav__toggle.active span:nth-child(2){opacity:0}.nav__toggle.active span:nth-child(3){transform:rotate(-45deg) translate(4px,-5px)}.hero{position:relative;z-index:2;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:calc(var(--nav-height) + var(--space-3xl)) var(--space-xl) var(--space-4xl);overflow:hidden}.hero__container{max-width:var(--container-max);width:100%;text-align:center}.hero__title{font-family:var(--font-display);font-size:clamp(3rem,8vw,6.5rem);font-weight:700;line-height:1.05;letter-spacing:-.03em;color:var(--text-primary);margin-bottom:var(--space-xl);opacity:0;animation:fadeInUp .8s var(--ease-out) .4s forwards}.hero__title--accent{display:inline-block;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-style:italic}.hero__title--thin{display:block;font-weight:400;font-size:.5em;letter-spacing:.05em;color:var(--text-secondary);-webkit-text-fill-color:var(--text-secondary);margin-top:var(--space-sm)}.hero__subtitle{font-size:clamp(1rem,1.8vw,1.15rem);color:var(--text-secondary);max-width:640px;margin:0 auto var(--space-2xl);line-height:1.8;opacity:0;animation:fadeInUp .8s var(--ease-out) .6s forwards}.hero__formula{max-width:600px;margin:0 auto;background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl) var(--space-2xl);backdrop-filter:blur(12px);opacity:0;animation:fadeInUp .8s var(--ease-out) .8s forwards}.hero__formula-label{font-size:.7rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:var(--space-md)}.hero__formula-content{display:flex;align-items:center;justify-content:center;gap:var(--space-md);font-family:var(--font-display);font-size:1.15rem;color:var(--text-primary);flex-wrap:wrap}.formula-frac{display:inline-flex;flex-direction:column;align-items:center;gap:2px}.formula-num{font-size:.85rem;color:var(--cyan-400);padding-bottom:4px;border-bottom:1px solid var(--border-medium)}.formula-den{font-size:.85rem;color:var(--gold-400);padding-top:4px}.formula-times{color:var(--text-tertiary);font-size:1.2rem}.formula-hundred{font-weight:700;color:var(--text-primary)}.formula-eq{color:var(--text-tertiary)}.formula-result{font-weight:700;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero__scroll-indicator{position:absolute;bottom:var(--space-2xl);left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);color:var(--text-muted);font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;opacity:0;animation:fadeInUp .8s var(--ease-out) 1s forwards}.hero__scroll-line{width:1px;height:40px;background:linear-gradient(180deg,var(--gold-500) 0%,transparent 100%);animation:scrollPulse 2s ease-in-out infinite}@keyframes scrollPulse{0%,to{opacity:1;transform:scaleY(1)}50%{opacity:.4;transform:scaleY(.6)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}.btn{display:inline-flex;align-items:center;gap:var(--space-sm);font-family:var(--font-body);font-size:.9rem;font-weight:600;letter-spacing:.02em;padding:14px 32px;border-radius:var(--radius-full);transition:all var(--duration-normal) var(--ease-out);position:relative;overflow:hidden}.btn--primary{background:var(--gradient-gold);color:var(--bg-void);box-shadow:var(--shadow-gold)}.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-gold-lg)}.btn--primary:active{transform:translateY(0)}.btn--full{width:100%;justify-content:center}.calculator-section{position:relative;z-index:2;padding:var(--space-3xl) 0}.calculator{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xl);align-items:start}.calculator__inputs{display:flex;flex-direction:column;gap:var(--space-xl)}.calculator__field{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease}.calculator__field:focus-within{border-color:var(--border-gold);box-shadow:0 0 0 1px var(--border-gold),var(--shadow-gold)}.calculator__label{display:flex;align-items:center;gap:var(--space-sm);font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:var(--space-md)}.calculator__label-icon{display:flex;color:var(--gold-500)}.calculator__input-wrap{position:relative;margin-bottom:var(--space-lg)}.calculator__input{width:100%;font-family:var(--font-display);font-size:2.2rem;font-weight:700;color:var(--text-primary);background:transparent;padding:var(--space-sm) 0;border-bottom:2px solid var(--border-light);transition:border-color var(--duration-fast) ease;-moz-appearance:textfield}.calculator__input::-webkit-inner-spin-button,.calculator__input::-webkit-outer-spin-button{-webkit-appearance:none}.calculator__input:focus{border-bottom-color:var(--gold-500)}.calculator__input::placeholder{color:var(--text-muted);font-weight:400}.calculator__slider{width:100%;height:4px;-webkit-appearance:none;appearance:none;background:var(--bg-input);border-radius:var(--radius-full);outline:none;cursor:pointer}.calculator__slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--gradient-gold);box-shadow:0 0 12px #c9a84c66;cursor:pointer;transition:transform var(--duration-fast) var(--ease-spring)}.calculator__slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.calculator__slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--gradient-gold);box-shadow:0 0 12px #c9a84c66;border:none;cursor:pointer}.calculator__result{background:var(--gradient-card);border:1px solid var(--border-gold);border-radius:var(--radius-xl);padding:var(--space-2xl);position:sticky;top:calc(var(--nav-height) + var(--space-xl));overflow:hidden}.calculator__result:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at top right,rgba(201,168,76,.06) 0%,transparent 60%);pointer-events:none}.calculator__result-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.calculator__result-label{font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary)}.calculator__result-direction{display:flex;align-items:center;gap:var(--space-xs);font-size:.8rem;font-weight:600;color:var(--cyan-400);transition:color var(--duration-fast) ease}.calculator__result-direction.decrease{color:#e57373}.calculator__result-direction.decrease svg{transform:rotate(180deg)}.calculator__result-value{display:flex;align-items:baseline;gap:var(--space-xs);margin-bottom:var(--space-xl)}.result-number{font-family:var(--font-display);font-size:3.5rem;font-weight:700;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:transform var(--duration-fast) var(--ease-spring)}.result-percent{font-family:var(--font-display);font-size:1.8rem;font-weight:600;color:var(--gold-500)}.calculator__result-breakdown{display:flex;align-items:center;gap:var(--space-lg);padding-top:var(--space-lg);border-top:1px solid var(--border-subtle)}.breakdown-item{display:flex;flex-direction:column;gap:4px;flex:1}.breakdown-label{font-size:.65rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}.breakdown-value{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-primary)}.breakdown-divider{width:1px;height:32px;background:var(--border-subtle)}.diagram-section{position:relative;z-index:2;padding:var(--space-4xl) 0}.diagram-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-xl)}.diagram-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out)}.diagram-card:hover{border-color:var(--border-gold);box-shadow:var(--shadow-gold);transform:translateY(-2px)}.diagram-card__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg) var(--space-xl);border-bottom:1px solid var(--border-subtle)}.diagram-card__title{font-family:var(--font-body);font-size:.85rem;font-weight:600;color:var(--text-secondary);letter-spacing:.02em}.diagram-card__badge{font-size:.6rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-500);background:#c9a84c1a;border:1px solid rgba(201,168,76,.15);padding:3px 10px;border-radius:var(--radius-full)}.diagram-card__body{padding:var(--space-xl)}.bars-chart{display:flex;flex-direction:column;gap:var(--space-lg)}.bar-group{display:flex;align-items:center;gap:var(--space-md)}.bar-label{width:60px;font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-align:right;flex-shrink:0}.bar-track{flex:1;height:32px;background:#ffffff08;border-radius:var(--radius-sm);overflow:hidden}.bar-fill{height:100%;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:flex-end;padding-right:var(--space-md);transition:width var(--duration-slow) var(--ease-out);min-width:50px}.bar-fill--original{background:linear-gradient(90deg,#4ecdc44d,#4ecdc480)}.bar-fill--new{background:linear-gradient(90deg,#c9a84c4d,#c9a84c80)}.bar-fill--diff{background:linear-gradient(90deg,#8b5cf64d,#8b5cf680)}.bar-value{font-size:.75rem;font-weight:700;color:var(--text-primary);white-space:nowrap}.gauge-container{position:relative;width:180px;height:180px;margin:0 auto}.gauge-svg{width:100%;height:100%;transform:rotate(-90deg)}.gauge-track{fill:none;stroke:#ffffff0a;stroke-width:8}.gauge-fill{fill:none;stroke:url(#gaugeGradient);stroke-width:8;stroke-linecap:round;stroke-dasharray:534.07;stroke-dashoffset:534.07;transition:stroke-dashoffset var(--duration-slower) var(--ease-out)}.gauge-inner-track{fill:none;stroke:#ffffff05;stroke-width:4}.gauge-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;display:flex;flex-direction:column;align-items:center}.gauge-value{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--gold-300);line-height:1}.gauge-unit{font-size:.9rem;color:var(--gold-500);font-weight:600}.gauge-label{font-size:.6rem;color:var(--text-muted);letter-spacing:.15em;text-transform:uppercase;margin-top:2px}.gauge-markers{position:absolute;inset:0;pointer-events:none}.flow-diagram{display:flex;flex-direction:column;align-items:stretch}.flow-step{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-md);background:#ffffff05;border:1px solid var(--border-subtle);transition:all var(--duration-normal) ease}.flow-step:hover,.flow-step--active{border-color:var(--border-gold);background:#c9a84c0a}.flow-step__number{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#c9a84c1f;color:var(--gold-400);font-size:.75rem;font-weight:700;flex-shrink:0}.flow-step__content{display:flex;flex-direction:column;gap:2px}.flow-step__label{font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.flow-step__formula{font-family:var(--font-display);font-size:.9rem;color:var(--text-primary)}.flow-step__formula--final{font-weight:700;color:var(--gold-300)}.flow-step--result{border-color:var(--border-gold-strong);background:#c9a84c0f}.flow-step--result .flow-step__number{background:var(--gradient-gold);color:var(--bg-void)}.flow-connector{display:flex;justify-content:center;padding:var(--space-xs) 0;color:var(--text-muted)}.blocks-container{display:grid;grid-template-columns:repeat(10,1fr);gap:3px;margin-bottom:var(--space-lg)}.block-cell{aspect-ratio:1;border-radius:3px;transition:background-color var(--duration-normal) ease,transform var(--duration-fast) var(--ease-spring)}.block-cell:hover{transform:scale(1.15)}.block-cell--original{background:#4ecdc459}.block-cell--increase{background:#c9a84c66;animation:blockFadeIn .3s ease forwards}.block-cell--empty{background:#ffffff08}@keyframes blockFadeIn{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.blocks-legend{display:flex;gap:var(--space-xl)}.blocks-legend__item{display:flex;align-items:center;gap:var(--space-sm);font-size:.75rem;color:var(--text-tertiary)}.blocks-legend__swatch{width:12px;height:12px;border-radius:3px}.blocks-legend__swatch--original{background:#4ecdc459}.blocks-legend__swatch--increase{background:#c9a84c66}.content-section{position:relative;z-index:2;padding:var(--space-4xl) 0}.content-section--alt{background:#ffffff03}.content-with-diagram{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3xl);align-items:start;margin-bottom:var(--space-3xl)}.content-with-diagram--reverse{direction:rtl}.content-with-diagram--reverse>*{direction:ltr}.content-text p{color:var(--text-secondary);line-height:1.8;margin-bottom:var(--space-lg);font-size:.98rem}.content-text p:last-child{margin-bottom:0}.content-text--centered{max-width:800px;margin:0 auto var(--space-3xl);text-align:center}.content-text strong{color:var(--text-primary);font-weight:600}.content-diagram{position:sticky;top:calc(var(--nav-height) + var(--space-xl))}.subsection{margin-top:var(--space-3xl);padding-top:var(--space-3xl);border-top:1px solid var(--border-subtle)}.subsection__title{font-family:var(--font-display);font-size:clamp(1.3rem,2.5vw,1.7rem);font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xl);letter-spacing:-.01em}.comparison-visual{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl)}.comparison-visual__title{font-size:.7rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-xl);text-align:center}.comparison-bars-vertical{display:flex;align-items:flex-end;justify-content:center;gap:var(--space-xl);min-height:220px}.comp-bar-wrap{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm)}.comp-bar{width:60px;border-radius:var(--radius-sm) var(--radius-sm) 0 0;display:flex;align-items:flex-start;justify-content:center;padding-top:var(--space-sm);transition:height var(--duration-slow) var(--ease-out);position:relative}.comp-bar--original{background:linear-gradient(180deg,#4ecdc480,#4ecdc433);height:120px}.comp-bar--new{background:linear-gradient(180deg,#c9a84c80,#c9a84c33);height:200px}.comp-bar__val{font-family:var(--font-display);font-size:.85rem;font-weight:700;color:var(--text-primary);white-space:nowrap}.comp-bar__label{font-size:.7rem;color:var(--text-tertiary);font-weight:500}.comp-arrow-container{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding-bottom:80px}.comp-arrow{color:var(--gold-400);animation:arrowPulse 2s ease-in-out infinite}@keyframes arrowPulse{0%,to{transform:translate(0)}50%{transform:translate(5px)}}.comp-arrow__label{font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:var(--gold-400)}.vs-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);display:flex;overflow:hidden}.vs-card__side{flex:1;padding:var(--space-xl);display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-sm)}.vs-card__side--increase{background:#4ecdc40a}.vs-card__side--change{background:#c9a84c0a}.vs-card__icon{font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#ffffff0d}.vs-card__label{font-size:.75rem;font-weight:600;letter-spacing:.05em;color:var(--text-secondary)}.vs-card__desc{font-size:.7rem;color:var(--text-muted)}.vs-card__value{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--gold-300)}.vs-card__divider{width:1px;background:var(--border-light);display:flex;align-items:center;justify-content:center;position:relative}.vs-card__divider span{background:var(--bg-card);padding:var(--space-sm);font-size:.65rem;font-weight:700;letter-spacing:.1em;color:var(--text-muted);position:absolute}.accuracy-demo{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl)}.accuracy-demo__title{font-size:.7rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-lg);text-align:center}.accuracy-states{display:flex;flex-direction:column;gap:var(--space-md)}.accuracy-state{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:#ffffff05;border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:transform var(--duration-normal) ease,border-color var(--duration-normal) ease}.accuracy-state:hover{transform:translate(4px);border-color:var(--border-gold)}.acc-state__icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#c9a84c1a;color:var(--gold-400);border-radius:var(--radius-sm);flex-shrink:0}.accuracy-state.acc-state--alert .acc-state__icon{background:#e573731a;color:#e57373}.acc-state__content{display:flex;flex-direction:column;justify-content:center;gap:4px}.acc-state__label{font-size:.65rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.acc-state__expr{font-family:var(--font-display);font-size:1rem;color:var(--text-primary);display:flex;align-items:center;gap:var(--space-xs)}.acc-state__arrow{font-size:.8rem;color:var(--text-muted);margin:0 4px}.acc-state__result{font-weight:700;color:var(--gold-300)}.acc-state__result--error{color:#e57373}.asymmetry-demo{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl)}.asymmetry-demo__title{font-size:.7rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-lg);text-align:center}.asymmetry-steps{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-lg)}.asymmetry-step{display:flex;align-items:center;justify-content:center;gap:var(--space-md)}.asymmetry-step__num{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--text-primary);min-width:50px;text-align:center}.asymmetry-step__num--alert{color:#e57373}.asymmetry-step__arrow{font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:var(--radius-full)}.asymmetry-step__arrow--up{background:#4ecdc426;color:var(--cyan-400)}.asymmetry-step__arrow--down{background:#e5737326;color:#e57373}.asymmetry-result{display:flex;align-items:center;justify-content:center;gap:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-subtle);font-family:var(--font-display);font-size:1rem;color:var(--text-tertiary)}.asymmetry-result__note{font-size:.8rem;font-weight:700;color:#e57373}.formula-display{background:var(--gradient-card);border:1px solid var(--border-gold);border-radius:var(--radius-md);padding:var(--space-lg) var(--space-xl);margin:var(--space-lg) 0;font-family:var(--font-display);font-size:1rem;color:var(--gold-300);text-align:center}.steps-list{list-style:none;counter-reset:step;display:flex;flex-direction:column;gap:var(--space-md);margin:var(--space-lg) 0}.steps-list li{counter-increment:step;padding-left:var(--space-2xl);position:relative;color:var(--text-secondary);line-height:1.7;font-size:.95rem}.steps-list li:before{content:counter(step);position:absolute;left:0;top:2px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#c9a84c1f;color:var(--gold-400);font-size:.7rem;font-weight:700}.benefits-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-md)}.benefits-list li{padding-left:var(--space-xl);position:relative;color:var(--text-secondary);line-height:1.7;font-size:.95rem}.benefits-list li:before{content:"→";position:absolute;left:0;color:var(--gold-500);font-weight:700}.formula-live-card{background:var(--gradient-card);border:1px solid var(--border-gold);border-radius:var(--radius-lg);padding:var(--space-xl);overflow:hidden}.formula-live-card__title{font-size:.7rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--gold-500);margin-bottom:var(--space-xl);text-align:center}.formula-live-steps{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-xl)}.formula-live-step{display:flex;flex-direction:column;gap:4px;padding:var(--space-md);background:#ffffff05;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.formula-live-step__label{font-size:.65rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}.formula-live-step__expr{font-family:var(--font-display);font-size:1rem;color:var(--text-primary)}.fl-orig{color:var(--cyan-400)}.fl-new{color:var(--gold-400)}.fl-diff{color:var(--cyan-400)}.fl-decimal{color:var(--text-primary)}.fl-result{color:var(--text-primary);font-weight:600}.fl-result--final{color:var(--gold-300);font-size:1.2rem}.formula-live-result{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:#c9a84c0f;border-radius:var(--radius-md);border:1px solid var(--border-gold);color:var(--text-secondary);font-size:.85rem}.formula-live-result strong{font-family:var(--font-display);font-size:1.3rem;color:var(--gold-300)}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}.how-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-2xl);transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out)}.how-card:hover{border-color:var(--border-gold);box-shadow:var(--shadow-gold);transform:translateY(-4px)}.how-card__icon{color:var(--gold-400);margin-bottom:var(--space-lg);width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:#c9a84c14;border-radius:var(--radius-md)}.how-card__title{font-family:var(--font-display);font-size:1.15rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-md)}.how-card__text{font-size:.9rem;color:var(--text-secondary);line-height:1.7}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.stat-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;transition:border-color var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out)}.stat-card:hover{border-color:var(--border-gold);transform:translateY(-2px)}.stat-card__value{font-family:var(--font-display);font-size:2rem;font-weight:700;background:var(--gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;margin-bottom:var(--space-xs)}.stat-card__label{font-size:.75rem;color:var(--text-tertiary);font-weight:500}.glance-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-xl)}.glance-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out)}.glance-card:hover{border-color:var(--border-gold);box-shadow:var(--shadow-gold);transform:translateY(-3px)}.glance-card__badge{display:inline-block;font-size:.6rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-500);background:#c9a84c14;padding:3px 10px;border-radius:var(--radius-full);margin-bottom:var(--space-md)}.glance-card__formula{font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:var(--gold-300);margin-bottom:var(--space-md);line-height:1.4}.glance-card__desc{font-size:.85rem;color:var(--text-tertiary);line-height:1.6}.table-wrapper{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border-light);background:var(--gradient-card)}.data-table{width:100%;border-collapse:collapse}.data-table th{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);text-align:left;padding:var(--space-lg) var(--space-xl);border-bottom:1px solid var(--border-light);background:#ffffff05}.data-table td{font-family:var(--font-display);font-size:.95rem;color:var(--text-primary);padding:var(--space-md) var(--space-xl);border-bottom:1px solid var(--border-subtle);transition:background var(--duration-fast) ease}.data-table tbody tr{cursor:pointer;transition:all var(--duration-fast) ease}.data-table tbody tr:hover{background:#c9a84c0d}.data-table tbody tr:hover td{color:var(--gold-300)}.data-table tbody tr:last-child td{border-bottom:none}.data-table td:last-child{color:var(--gold-400);font-weight:600}.examples-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}.example-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out);display:flex;flex-direction:column}.example-card:hover{border-color:var(--border-gold);box-shadow:var(--shadow-gold);transform:translateY(-3px)}.example-card__icon{font-size:1.8rem;margin-bottom:var(--space-md)}.example-card__title{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.example-card__scenario{font-size:.85rem;color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-lg);flex:1}.example-card__calc{display:flex;flex-direction:column;gap:4px;padding:var(--space-md);background:#ffffff05;border-radius:var(--radius-sm);margin-bottom:var(--space-md)}.example-card__formula{font-family:var(--font-display);font-size:.8rem;color:var(--text-tertiary)}.example-card__result{font-family:var(--font-display);font-size:1rem;font-weight:700;color:var(--gold-300)}.example-card__btn{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:.8rem;font-weight:600;color:var(--gold-500);padding:var(--space-sm) 0;border:none;background:none;cursor:pointer;transition:color var(--duration-fast) ease;align-self:flex-start}.example-card__btn:hover{color:var(--gold-300)}.applications-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}.app-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out)}.app-card:hover{border-color:var(--border-gold);box-shadow:var(--shadow-gold);transform:translateY(-3px)}.app-card__icon-wrap{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:#c9a84c14;border-radius:var(--radius-md);color:var(--gold-400);margin-bottom:var(--space-lg)}.app-card__title{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-md)}.app-card__text{font-size:.85rem;color:var(--text-secondary);line-height:1.7}.mistakes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-xl);margin-bottom:var(--space-3xl)}.mistake-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);position:relative;overflow:hidden;transition:border-color var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out)}.mistake-card:hover{border-color:#e573734d;transform:translateY(-2px)}.mistake-card__marker{position:absolute;top:var(--space-lg);right:var(--space-lg);width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#e573731f;color:#e57373;font-size:.85rem;font-weight:700}.mistake-card__title{font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-md);padding-right:var(--space-2xl)}.mistake-card__text{font-size:.85rem;color:var(--text-secondary);line-height:1.7;margin-bottom:var(--space-lg)}.mistake-card__example{display:flex;flex-direction:column;gap:var(--space-sm)}.mistake-wrong{font-family:var(--font-display);font-size:.85rem;color:#e57373;text-decoration:line-through;opacity:.7}.mistake-right{font-family:var(--font-display);font-size:.85rem;color:var(--cyan-400);font-weight:600}.tools-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--space-xl)}.tool-card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);display:flex;flex-direction:column;gap:var(--space-md);transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease,transform var(--duration-normal) var(--ease-out)}.tool-card:hover{border-color:var(--border-gold);box-shadow:var(--shadow-gold);transform:translateY(-3px)}.tool-card__icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#c9a84c14;border-radius:var(--radius-md);color:var(--gold-400)}.tool-card__title{font-family:var(--font-display);font-size:1rem;font-weight:600;color:var(--text-primary)}.tool-card__desc{font-size:.8rem;color:var(--text-tertiary);line-height:1.6}.faq-section{position:relative;z-index:2;padding:var(--space-4xl) 0}.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-sm)}.faq-item{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden;transition:border-color var(--duration-normal) ease,box-shadow var(--duration-normal) ease}.faq-item[open]{border-color:var(--border-gold);box-shadow:0 0 0 1px var(--border-gold)}.faq-item__question{display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);padding:var(--space-lg) var(--space-xl);cursor:pointer;font-size:.95rem;font-weight:500;color:var(--text-primary);list-style:none;transition:color var(--duration-fast) ease}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:hover{color:var(--gold-300)}.faq-item__icon{flex-shrink:0;color:var(--text-muted);transition:transform var(--duration-normal) var(--ease-out),color var(--duration-fast) ease}.faq-item[open] .faq-item__icon{transform:rotate(45deg);color:var(--gold-500)}.faq-item__answer{padding:0 var(--space-xl) var(--space-xl);color:var(--text-secondary);font-size:.9rem;line-height:1.8}.faq-item__answer p{margin:0}.contact-section{position:relative;z-index:2;padding:var(--space-4xl) 0;background:#ffffff03}.contact-grid{display:grid;grid-template-columns:1fr 350px;gap:var(--space-2xl);align-items:start}.contact-form{display:flex;flex-direction:column;gap:var(--space-lg)}.contact-form__row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.contact-form__field{display:flex;flex-direction:column;gap:var(--space-sm)}.contact-form__field label{font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary)}.contact-form__field input,.contact-form__field textarea{background:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);color:var(--text-primary);transition:border-color var(--duration-fast) ease,box-shadow var(--duration-fast) ease}.contact-form__field input:focus,.contact-form__field textarea:focus{border-color:var(--border-gold);box-shadow:0 0 0 1px var(--border-gold)}.contact-form__field input::placeholder,.contact-form__field textarea::placeholder{color:var(--text-muted)}.contact-form__field textarea{resize:vertical}.contact-info{display:flex;flex-direction:column;gap:var(--space-lg)}.contact-info__card{background:var(--gradient-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--space-xl);transition:border-color var(--duration-normal) ease}.contact-info__card:hover{border-color:var(--border-gold)}.contact-info__icon{color:var(--gold-400);margin-bottom:var(--space-md)}.contact-info__card h4{font-family:var(--font-display);font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.contact-info__card p{font-size:.85rem;color:var(--text-tertiary)}.footer{position:relative;z-index:2;padding:var(--space-4xl) 0 var(--space-xl);border-top:1px solid var(--border-subtle);background:var(--bg-deep)}.footer__container{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-xl)}.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--space-2xl);padding-bottom:var(--space-3xl);border-bottom:1px solid var(--border-subtle)}.footer__logo{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-md)}.footer__tagline{font-size:.85rem;color:var(--text-tertiary);line-height:1.6;max-width:280px}.footer__links-group h4{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:var(--space-lg)}.footer__links-group ul{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm)}.footer__links-group a{font-size:.85rem;color:var(--text-tertiary);transition:color var(--duration-fast) ease}.footer__links-group a:hover{color:var(--gold-400)}.footer__bottom{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-xl)}.footer__bottom p{font-size:.8rem;color:var(--text-muted)}.footer__socials{display:flex;gap:var(--space-md)}.footer__social-link{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;color:var(--text-tertiary);background:#ffffff08;border:1px solid var(--border-subtle);transition:all var(--duration-fast) ease}.footer__social-link:hover{color:var(--gold-400);border-color:var(--border-gold);background:#c9a84c0d}.reveal{opacity:0;transform:translateY(20px);transition:opacity var(--duration-slower) var(--ease-out),transform var(--duration-slower) var(--ease-out)}.reveal.visible{opacity:1;transform:translateY(0)}@media(max-width:1024px){.calculator{grid-template-columns:1fr}.calculator__result{position:static}.content-with-diagram{grid-template-columns:1fr}.content-with-diagram--reverse{direction:ltr}.content-diagram{position:static}.how-grid,.examples-grid,.applications-grid,.tools-grid{grid-template-columns:repeat(2,1fr)}.mistakes-grid{grid-template-columns:1fr}.footer__top{grid-template-columns:1fr 1fr}.contact-grid,.glance-grid{grid-template-columns:1fr}}@media(max-width:768px){.nav__links{display:none;position:fixed;inset:0;top:var(--nav-height);background:#050508f7;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2xl);backdrop-filter:blur(20px)}.nav__links.open,.nav__toggle{display:flex}.nav__link{font-size:1.2rem}.hero{min-height:85vh;padding:calc(var(--nav-height) + var(--space-xl)) var(--space-lg) var(--space-2xl)}.hero__title{font-size:clamp(2.5rem,12vw,5rem)}.hero__formula{padding:var(--space-lg)}.hero__formula-content{font-size:.95rem}.section__container{padding:0 var(--space-lg)}.diagram-grid,.how-grid,.examples-grid,.applications-grid,.tools-grid{grid-template-columns:1fr}.calculator__input{font-size:1.6rem}.result-number{font-size:2.5rem}.contact-form__row{grid-template-columns:1fr}.footer__top{grid-template-columns:1fr;gap:var(--space-xl)}.footer__bottom{flex-direction:column;gap:var(--space-md);text-align:center}.comparison-bars-vertical{min-height:180px}.comp-bar--original{height:90px}.comp-bar--new{height:150px}.comp-bar{width:50px}.vs-card{flex-direction:column}.vs-card__divider{width:100%;height:1px;flex-direction:row}.stats-grid{grid-template-columns:1fr 1fr}.glance-grid{grid-template-columns:1fr}}@media(max-width:480px){.hero__title{font-size:clamp(2rem,14vw,3.5rem)}.stats-grid{grid-template-columns:1fr}.calculator__result-breakdown{flex-direction:column;align-items:flex-start}.breakdown-divider{width:100%;height:1px}}.social-circle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background-color:#ffffff0d;color:#9aa0a6;transition:all .3s ease;text-decoration:none}.social-circle:hover{background-color:#ffffff26;color:#fff;transform:translateY(-2px)}.back-to-top-btn{display:none;position:fixed;bottom:28px;right:28px;z-index:99;width:50px;height:50px;border-radius:50%;border:none;outline:none;cursor:pointer;background:linear-gradient(135deg,var(--color-primary, #d4af37),var(--gold-400, #c9a84c));color:#fff;box-shadow:0 4px 15px #d4af3759,0 2px 6px #0003;transition:all .3s cubic-bezier(.4,0,.2,1);opacity:0;align-items:center;justify-content:center}.back-to-top-btn.visible{display:flex;opacity:1}.back-to-top-btn:hover{transform:translateY(-4px);box-shadow:0 6px 20px #d4af3780,0 3px 10px #0000004d;background:linear-gradient(135deg,var(--gold-400, #c9a84c),var(--color-primary, #d4af37))}.back-to-top-btn:active{transform:translateY(-2px)}.footer__bottom-links{display:flex;gap:1.5rem}.footer__bottom-links a{font-size:.8rem;color:var(--text-muted, #888);text-decoration:none;transition:color .3s ease}.footer__bottom-links a:hover{color:var(--gold-400, #d4af37)}.lang-switcher[data-astro-cid-vj2yawcg]{position:relative;margin-left:var(--space-sm);z-index:1000}.lang-switcher__btn[data-astro-cid-vj2yawcg]{display:flex;align-items:center;gap:.4rem;padding:.45rem .75rem;background:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);font-size:.8rem;font-weight:600;letter-spacing:.04em;transition:all var(--duration-normal) var(--ease-out)}.lang-switcher__btn[data-astro-cid-vj2yawcg]:hover{background:var(--bg-elevated);border-color:var(--border-medium);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.lang-switcher__btn[data-astro-cid-vj2yawcg][aria-expanded=true]{background:var(--bg-card);border-color:var(--gold-500);box-shadow:0 0 0 2px var(--glow-gold)}.lang-switcher__icon[data-astro-cid-vj2yawcg]{opacity:.7;flex-shrink:0;color:var(--gold-500)}.lang-switcher__label[data-astro-cid-vj2yawcg]{min-width:1.5rem;text-align:center;text-transform:uppercase}.lang-switcher__chevron[data-astro-cid-vj2yawcg]{opacity:.5;transition:transform var(--duration-normal) ease;flex-shrink:0}.lang-switcher__btn[data-astro-cid-vj2yawcg][aria-expanded=true] .lang-switcher__chevron[data-astro-cid-vj2yawcg]{transform:rotate(180deg);color:var(--gold-500)}.lang-dropdown[data-astro-cid-vj2yawcg]{position:absolute;top:calc(100% + .5rem);right:0;width:240px;max-height:0;overflow:hidden;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);opacity:0;transform:translateY(-8px) scale(.97);transition:all var(--duration-normal) var(--ease-out);pointer-events:none;box-shadow:var(--shadow-lg),0 0 0 1px inset var(--border-light)}.lang-dropdown[data-astro-cid-vj2yawcg].open{max-height:400px;opacity:1;transform:translateY(0) scale(1);pointer-events:all;border-color:var(--border-gold)}.lang-dropdown__search[data-astro-cid-vj2yawcg]{padding:var(--space-sm) var(--space-sm) 0;border-bottom:1px solid var(--border-subtle)}.lang-dropdown__input[data-astro-cid-vj2yawcg]{width:100%;padding:.6rem .8rem;background:var(--bg-input);border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem;outline:none;transition:border-color var(--duration-fast)}.lang-dropdown__input[data-astro-cid-vj2yawcg]::placeholder{color:var(--text-muted)}.lang-dropdown__input[data-astro-cid-vj2yawcg]:focus{border-color:var(--gold-500);box-shadow:0 0 0 2px var(--glow-gold)}.lang-dropdown__list[data-astro-cid-vj2yawcg]{list-style:none;margin:0;padding:var(--space-xs);max-height:310px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--gold-700) transparent}.lang-dropdown__list[data-astro-cid-vj2yawcg]::-webkit-scrollbar{width:6px}.lang-dropdown__list[data-astro-cid-vj2yawcg]::-webkit-scrollbar-track{background:transparent}.lang-dropdown__list[data-astro-cid-vj2yawcg]::-webkit-scrollbar-thumb{background:var(--gold-700);border-radius:var(--radius-full)}.lang-dropdown__list[data-astro-cid-vj2yawcg]::-webkit-scrollbar-thumb:hover{background:var(--gold-500)}.lang-dropdown__item[data-astro-cid-vj2yawcg]{display:flex;align-items:center;gap:.75rem;width:100%;padding:.6rem .8rem;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--duration-fast) ease;text-align:left}.lang-dropdown__item[data-astro-cid-vj2yawcg]:hover{background:var(--bg-card-hover);color:var(--text-primary);transform:translate(2px)}.lang-dropdown__item[data-astro-cid-vj2yawcg].active{background:var(--glow-gold);color:var(--gold-300);font-weight:600}.lang-dropdown__item[data-astro-cid-vj2yawcg].hidden{display:none}.lang-flag[data-astro-cid-vj2yawcg]{font-size:1.25rem;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}@media(max-width:768px){.lang-switcher[data-astro-cid-vj2yawcg]{margin-left:.5rem}.lang-switcher__btn[data-astro-cid-vj2yawcg]{padding:.4rem .55rem;font-size:.75rem}.lang-switcher__icon[data-astro-cid-vj2yawcg]{width:15px;height:15px}.lang-dropdown[data-astro-cid-vj2yawcg]{right:-1rem;width:220px}}.social-circle[data-astro-cid-47ly23ue]{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background-color:#ffffff0d;color:#9aa0a6;transition:all .3s ease;text-decoration:none}.social-circle[data-astro-cid-47ly23ue]:hover{background-color:#ffffff26;color:#fff;transform:translateY(-2px)}.back-to-top-btn[data-astro-cid-47ly23ue]{display:none;position:fixed;bottom:28px;right:28px;z-index:99;width:50px;height:50px;border-radius:50%;border:none;outline:none;cursor:pointer;background:linear-gradient(135deg,var(--color-primary, #d4af37),var(--gold-400, #c9a84c));color:#fff;box-shadow:0 4px 15px #d4af3759,0 2px 6px #0003;transition:all .3s cubic-bezier(.4,0,.2,1);opacity:0;align-items:center;justify-content:center}.back-to-top-btn[data-astro-cid-47ly23ue].visible{display:flex;opacity:1}.back-to-top-btn[data-astro-cid-47ly23ue]:hover{transform:translateY(-4px);box-shadow:0 6px 20px #d4af3780,0 3px 10px #0000004d;background:linear-gradient(135deg,var(--gold-400, #c9a84c),var(--color-primary, #d4af37))}.back-to-top-btn[data-astro-cid-47ly23ue]:active{transform:translateY(-2px)}.footer__bottom-links[data-astro-cid-47ly23ue]{display:flex;gap:1.5rem}.footer__bottom-links[data-astro-cid-47ly23ue] a[data-astro-cid-47ly23ue]{font-size:.8rem;color:var(--text-muted, #888);text-decoration:none;transition:color .3s ease}.footer__bottom-links[data-astro-cid-47ly23ue] a[data-astro-cid-47ly23ue]:hover{color:var(--gold-400, #d4af37)}