@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--color-bg-primary:#fff;--color-bg-secondary:#f5f5f7;--color-bg-tertiary:#fbfbfd;--color-bg-elevated:#ffffffb8;--color-bg-card:#fff;--color-bg-card-hover:#f5f5f7;--color-bg-code:#f5f5f7;--color-text-primary:#1d1d1f;--color-text-secondary:#6e6e73;--color-text-tertiary:#86868b;--color-text-inverse:#fff;--color-accent:#0071e3;--color-accent-hover:#0077ed;--color-accent-light:#0071e314;--color-accent-gradient:linear-gradient(135deg,#0071e3,#42a5f5);--color-border:#00000014;--color-border-strong:#00000029;--color-divider:#d2d2d7;--color-success:#30d158;--color-warning:#ff9f0a;--color-error:#ff3b30;--shadow-sm:0 1px 3px #0000000a,0 1px 2px #0000000f;--shadow-md:0 4px 6px -1px #0000000d,0 2px 4px -1px #0000000a;--shadow-lg:0 10px 25px -3px #00000014,0 4px 10px -2px #0000000a;--shadow-xl:0 20px 50px -10px #0000001f;--shadow-card:0 2px 8px #0000000a,0 0 0 1px #0000000a;--shadow-card-hover:0 8px 30px #00000014,0 0 0 1px #0000000f;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"SF Mono","Fira Code","Fira Mono",Menlo,monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:clamp(2.5rem,5vw,3.5rem);--text-6xl:clamp(3rem,6vw,4.5rem);--text-hero:clamp(3.5rem,8vw,6rem);--leading-tight:1.1;--leading-snug:1.25;--leading-normal:1.5;--leading-relaxed:1.75;--tracking-tight:-.03em;--tracking-normal:0;--tracking-wide:.02em;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;--max-width:1200px;--max-width-narrow:740px;--max-width-wide:1400px;--nav-height:52px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:28px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-base:.25s cubic-bezier(.4,0,.2,1);--transition-slow:.4s cubic-bezier(.4,0,.2,1);--transition-spring:.5s cubic-bezier(.175,.885,.32,1.275);--glass-bg:#ffffffb8;--glass-blur:saturate(180%)blur(20px);--glass-border:#00000014}[data-theme=dark]{--color-bg-primary:#000;--color-bg-secondary:#0a0a0a;--color-bg-tertiary:#050505;--color-bg-elevated:#1d1d1fb8;--color-bg-card:#161618;--color-bg-card-hover:#222224;--color-bg-code:#161618;--color-text-primary:#f5f5f7;--color-text-secondary:#a1a1a6;--color-text-tertiary:#86868b;--color-text-inverse:#1d1d1f;--color-accent:#2997ff;--color-accent-hover:#4db8ff;--color-accent-light:#2997ff1f;--color-border:#ffffff14;--color-border-strong:#ffffff29;--color-divider:#424245;--shadow-sm:0 1px 3px #0003;--shadow-md:0 4px 6px #0000004d;--shadow-lg:0 10px 25px #0006;--shadow-xl:0 20px 50px #00000080;--shadow-card:0 2px 8px #0000004d,0 0 0 1px #ffffff0d;--shadow-card-hover:0 8px 30px #00000080,0 0 0 1px #ffffff14;--glass-bg:#1d1d1fb8;--glass-border:#ffffff14}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-sans);color:var(--color-text-primary);background-color:var(--color-bg-primary);line-height:var(--leading-normal);letter-spacing:var(--tracking-normal);transition:background-color var(--transition-base),color var(--transition-base);overflow-x:hidden}a{color:var(--color-accent);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-accent-hover)}img{max-width:100%;height:auto;display:block}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.container{width:100%;max-width:var(--max-width);padding:0 var(--space-6);margin:0 auto}.container--narrow{max-width:var(--max-width-narrow)}.container--wide{max-width:var(--max-width-wide)}.navbar{height:var(--nav-height);z-index:1000;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border);transition:all var(--transition-base);position:fixed;top:0;left:0;right:0}.navbar__inner{height:100%;max-width:var(--max-width);padding:0 var(--space-6);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.navbar__logo{font-size:var(--text-xl);color:var(--color-text-primary);letter-spacing:var(--tracking-tight);align-items:center;gap:var(--space-2);font-weight:700;display:flex}.navbar__logo-icon{background:var(--color-accent-gradient);border-radius:var(--radius-sm);color:#fff;width:28px;height:28px;font-size:var(--text-sm);justify-content:center;align-items:center;font-weight:800;display:flex}.navbar__links{align-items:center;gap:var(--space-8);list-style:none;display:flex}.navbar__link{font-size:var(--text-sm);color:var(--color-text-secondary);transition:color var(--transition-fast);font-weight:400;position:relative}.navbar__link:hover,.navbar__link--active{color:var(--color-text-primary)}.navbar__link:after{content:"";background:var(--color-accent);border-radius:var(--radius-full);width:0;height:2px;transition:width var(--transition-base);position:absolute;bottom:-4px;left:0}.navbar__link:hover:after,.navbar__link--active:after{width:100%}.navbar__actions{align-items:center;gap:var(--space-4);display:flex}.navbar__search-btn{border-radius:var(--radius-full);width:36px;height:36px;color:var(--color-text-secondary);transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.navbar__search-btn:hover{background:var(--color-accent-light);color:var(--color-accent)}.navbar__mobile-toggle{flex-direction:column;justify-content:center;align-items:center;gap:5px;width:36px;height:36px;display:none}.navbar__mobile-toggle span{background:var(--color-text-primary);width:18px;height:1.5px;transition:all var(--transition-fast);border-radius:2px}.navbar__mobile-menu{top:var(--nav-height);background:var(--color-bg-primary);padding:var(--space-8)var(--space-6);z-index:999;display:none;position:fixed;bottom:0;left:0;right:0}.navbar__mobile-menu.active{display:block}.navbar__mobile-links{gap:var(--space-2);flex-direction:column;list-style:none;display:flex}.navbar__mobile-link{font-size:var(--text-2xl);color:var(--color-text-primary);padding:var(--space-4)0;border-bottom:1px solid var(--color-border);font-weight:600}.theme-toggle{border-radius:var(--radius-full);width:36px;height:36px;color:var(--color-text-secondary);transition:all var(--transition-fast);font-size:var(--text-lg);justify-content:center;align-items:center;display:flex}.theme-toggle:hover{background:var(--color-accent-light);color:var(--color-accent)}.hero{text-align:center;min-height:80vh;padding:calc(var(--nav-height) + var(--space-20))var(--space-6)var(--space-20);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.hero__bg{background:radial-gradient(ellipse at 50% 0%,var(--color-accent-light)0%,transparent 60%);z-index:0;position:absolute;inset:0}.hero__content{z-index:1;max-width:800px;position:relative}.hero__badge{align-items:center;gap:var(--space-2);padding:var(--space-2)var(--space-5);background:var(--color-accent-light);color:var(--color-accent);font-size:var(--text-sm);border-radius:var(--radius-full);margin-bottom:var(--space-8);border:1px solid #0071e326;font-weight:600;display:inline-flex}.hero__title{font-size:var(--text-hero);font-weight:800;line-height:var(--leading-tight);letter-spacing:-.04em;color:var(--color-text-primary);margin-bottom:var(--space-6)}.hero__title-accent{background:var(--color-accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero__subtitle{font-size:var(--text-xl);color:var(--color-text-secondary);line-height:var(--leading-relaxed);max-width:600px;margin:0 auto var(--space-10);font-weight:400}.hero__actions{justify-content:center;align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.btn{justify-content:center;align-items:center;gap:var(--space-2);font-size:var(--text-base);padding:var(--space-3)var(--space-6);border-radius:var(--radius-full);transition:all var(--transition-base);white-space:nowrap;cursor:pointer;border:none;font-weight:500;text-decoration:none;display:inline-flex}.btn--primary{background:var(--color-accent);color:#fff}.btn--primary:hover{background:var(--color-accent-hover);color:#fff;box-shadow:var(--shadow-lg);transform:scale(1.02)}.btn--secondary{color:var(--color-accent);border:1.5px solid var(--color-accent);background:0 0}.btn--secondary:hover{background:var(--color-accent-light);color:var(--color-accent)}.btn--ghost{color:var(--color-text-secondary);background:0 0}.btn--ghost:hover{color:var(--color-text-primary);background:var(--color-bg-secondary)}.btn--sm{font-size:var(--text-sm);padding:var(--space-2)var(--space-4)}.btn--lg{font-size:var(--text-lg);padding:var(--space-4)var(--space-8)}.btn--icon{border-radius:var(--radius-full);width:40px;height:40px;padding:0}.section{padding:var(--space-24)0}.section--alt{background:var(--color-bg-secondary)}.section__header{text-align:center;margin-bottom:var(--space-16)}.section__label{font-size:var(--text-sm);color:var(--color-accent);text-transform:uppercase;letter-spacing:var(--tracking-wide);margin-bottom:var(--space-4);font-weight:600}.section__title{font-size:var(--text-5xl);font-weight:700;line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--color-text-primary);margin-bottom:var(--space-4)}.section__subtitle{font-size:var(--text-lg);color:var(--color-text-secondary);max-width:600px;margin:0 auto}.post-card{background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:all var(--transition-base);cursor:pointer;border:1px solid var(--color-border);flex-direction:column;display:flex;overflow:hidden}.post-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}.post-card__image-wrapper{width:100%;padding-top:56.25%;position:relative;overflow:hidden}.post-card__image{object-fit:cover;width:100%;height:100%;transition:transform var(--transition-slow);position:absolute;inset:0}.post-card:hover .post-card__image{transform:scale(1.05)}.post-card__category{top:var(--space-4);left:var(--space-4);padding:var(--space-1)var(--space-3);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius-full);font-size:var(--text-xs);color:var(--color-text-primary);border:1px solid var(--glass-border);font-weight:600;position:absolute}.post-card__body{padding:var(--space-6);flex-direction:column;flex:1;display:flex}.post-card__meta{align-items:center;gap:var(--space-3);margin-bottom:var(--space-3);font-size:var(--text-xs);color:var(--color-text-tertiary);display:flex}.post-card__meta-dot{background:var(--color-text-tertiary);border-radius:var(--radius-full);width:3px;height:3px}.post-card__title{font-size:var(--text-xl);font-weight:700;line-height:var(--leading-snug);letter-spacing:var(--tracking-tight);color:var(--color-text-primary);margin-bottom:var(--space-3);transition:color var(--transition-fast)}.post-card:hover .post-card__title{color:var(--color-accent)}.post-card__excerpt{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:var(--leading-relaxed);-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;flex:1;display:-webkit-box;overflow:hidden}.post-card__footer{margin-top:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;display:flex}.post-card__author{align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text-secondary);font-weight:500;display:flex}.post-card__author-avatar{border-radius:var(--radius-full);background:var(--color-accent-gradient);color:#fff;justify-content:center;align-items:center;width:24px;height:24px;font-size:10px;font-weight:700;display:flex}.post-card__read-more{font-size:var(--text-sm);color:var(--color-accent);align-items:center;gap:var(--space-1);transition:gap var(--transition-fast);font-weight:500;display:flex}.post-card:hover .post-card__read-more{gap:var(--space-2)}.featured-card{background:var(--color-bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border);min-height:400px;transition:all var(--transition-base);grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.featured-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.featured-card__image-wrapper{position:relative;overflow:hidden}.featured-card__image{object-fit:cover;width:100%;height:100%;transition:transform var(--transition-slow)}.featured-card:hover .featured-card__image{transform:scale(1.05)}.featured-card__body{padding:var(--space-10);flex-direction:column;justify-content:center;display:flex}.featured-card__label{font-size:var(--text-sm);color:var(--color-accent);text-transform:uppercase;letter-spacing:var(--tracking-wide);margin-bottom:var(--space-4);font-weight:600}.featured-card__title{font-size:var(--text-4xl);font-weight:700;line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--color-text-primary);margin-bottom:var(--space-4)}.featured-card__excerpt{font-size:var(--text-base);color:var(--color-text-secondary);line-height:var(--leading-relaxed);margin-bottom:var(--space-6)}.post-grid{gap:var(--space-8);grid-template-columns:repeat(3,1fr);display:grid}.post-grid--2col{grid-template-columns:repeat(2,1fr)}.category-grid{gap:var(--space-6);grid-template-columns:repeat(4,1fr);display:grid}.category-card{background:var(--color-bg-card);border-radius:var(--radius-lg);padding:var(--space-8);text-align:center;border:1px solid var(--color-border);transition:all var(--transition-base);cursor:pointer;color:inherit;text-decoration:none}.category-card:hover{box-shadow:var(--shadow-lg);border-color:var(--color-accent);color:inherit;transform:translateY(-4px)}.category-card__icon{border-radius:var(--radius-md);background:var(--color-accent-light);width:56px;height:56px;margin:0 auto var(--space-4);font-size:var(--text-2xl);transition:all var(--transition-base);justify-content:center;align-items:center;display:flex}.category-card:hover .category-card__icon{background:var(--color-accent);color:#fff;transform:scale(1.1)}.category-card__name{font-size:var(--text-base);color:var(--color-text-primary);margin-bottom:var(--space-1);font-weight:600}.category-card__count{font-size:var(--text-sm);color:var(--color-text-tertiary)}.category-grid>.fade-in{display:flex}.category-grid>.fade-in>.category-card{flex:1}.post-content{font-size:var(--text-lg);line-height:var(--leading-relaxed);color:var(--color-text-primary)}.post-content h1,.post-content h2,.post-content h3,.post-content h4{letter-spacing:var(--tracking-tight);font-weight:700;line-height:var(--leading-snug);margin-top:var(--space-12);margin-bottom:var(--space-4);color:var(--color-text-primary)}.post-content h1{font-size:var(--text-4xl)}.post-content h2{font-size:var(--text-3xl)}.post-content h3{font-size:var(--text-2xl)}.post-content h4{font-size:var(--text-xl)}.post-content p{margin-bottom:var(--space-6)}.post-content a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}.post-content img{border-radius:var(--radius-md);margin:var(--space-8)0;box-shadow:var(--shadow-lg)}.post-content ul,.post-content ol{padding-left:var(--space-6);margin-bottom:var(--space-6)}.post-content li{margin-bottom:var(--space-2)}.post-content blockquote{border-left:4px solid var(--color-accent);padding:var(--space-4)var(--space-6);margin:var(--space-8)0;background:var(--color-accent-light);border-radius:0 var(--radius-sm)var(--radius-sm)0;color:var(--color-text-secondary);font-style:italic}.post-content pre{background:var(--color-bg-code);border-radius:var(--radius-md);padding:var(--space-6);margin:var(--space-8)0;border:1px solid var(--color-border);overflow-x:auto}.post-content code{font-family:var(--font-mono);font-size:.9em}.post-content :not(pre)>code{background:var(--color-bg-code);border:1px solid var(--color-border);border-radius:4px;padding:2px 6px}.post-content hr{background:var(--color-divider);height:1px;margin:var(--space-12)0;border:none}.reading-progress{top:var(--nav-height);background:var(--color-accent-gradient);z-index:999;width:0%;height:3px;transition:width 50ms linear;position:fixed;left:0}.comments{margin-top:var(--space-16);padding-top:var(--space-12);border-top:1px solid var(--color-divider)}.comments__title{font-size:var(--text-2xl);margin-bottom:var(--space-8);font-weight:700}.comment{padding:var(--space-6);background:var(--color-bg-secondary);border-radius:var(--radius-md);margin-bottom:var(--space-4)}.comment__header{align-items:center;gap:var(--space-3);margin-bottom:var(--space-3);display:flex}.comment__avatar{border-radius:var(--radius-full);background:var(--color-accent-gradient);color:#fff;width:36px;height:36px;font-weight:700;font-size:var(--text-sm);justify-content:center;align-items:center;display:flex}.comment__author{font-weight:600;font-size:var(--text-sm)}.comment__date{font-size:var(--text-xs);color:var(--color-text-tertiary)}.comment__body{font-size:var(--text-base);color:var(--color-text-secondary);line-height:var(--leading-relaxed)}.comment-form{margin-top:var(--space-8)}.comment-form__title{font-size:var(--text-xl);margin-bottom:var(--space-6);font-weight:600}.form-group{margin-bottom:var(--space-4)}.form-group label{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-2);font-weight:500;display:block}.form-input{width:100%;padding:var(--space-3)var(--space-4);background:var(--color-bg-primary);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);font-size:var(--text-base);color:var(--color-text-primary);transition:all var(--transition-fast);outline:none}.form-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.form-input--textarea{resize:vertical;min-height:120px}.form-row{gap:var(--space-4);grid-template-columns:1fr 1fr;display:grid}.footer{background:var(--color-bg-secondary);border-top:1px solid var(--color-border);padding:var(--space-16)0 var(--space-8)}.footer__grid{gap:var(--space-12);margin-bottom:var(--space-12);grid-template-columns:2fr 1fr 1fr 1fr;display:grid}.footer__brand{max-width:300px}.footer__logo{font-size:var(--text-xl);color:var(--color-text-primary);margin-bottom:var(--space-4);align-items:center;gap:var(--space-2);font-weight:700;display:flex}.footer__description{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:var(--leading-relaxed)}.footer__heading{font-size:var(--text-sm);color:var(--color-text-primary);text-transform:uppercase;letter-spacing:var(--tracking-wide);margin-bottom:var(--space-4);font-weight:600}.footer__links{gap:var(--space-3);flex-direction:column;list-style:none;display:flex}.footer__link{font-size:var(--text-sm);color:var(--color-text-secondary);transition:color var(--transition-fast)}.footer__link:hover{color:var(--color-text-primary)}.footer__bottom{padding-top:var(--space-8);border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.footer__copyright{font-size:var(--text-sm);color:var(--color-text-tertiary)}.footer__social{gap:var(--space-4);display:flex}.footer__social-link{border-radius:var(--radius-full);width:36px;height:36px;color:var(--color-text-secondary);transition:all var(--transition-fast);background:var(--color-bg-primary);justify-content:center;align-items:center;display:flex}.footer__social-link:hover{background:var(--color-accent);color:#fff}.search-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:2000;opacity:0;visibility:hidden;transition:all 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