@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/inter-latin.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/inter-latin.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/inter-latin.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/inter-latin.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/inter-latin.woff2') format('woff2')}
:root{--color-bg:#fff;--color-bg-soft:#f6f7f9;--color-bg-elevated:#fff;--color-border:#e5e7eb;--color-border-strong:#d1d5db;--color-text:#0f172a;--color-text-muted:#6b7280;--color-text-soft:#9ca3af;--color-accent:#111827;--color-accent-hover:#000;--color-accent-soft:#f3f4f6;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-success:#16a34a;--color-danger:#dc2626;--color-warning:#f59e0b;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--space-20:80px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:999px;--shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 1px rgba(15,23,42,.02);--shadow-md:0 4px 12px rgba(15,23,42,.06),0 2px 4px rgba(15,23,42,.04);--shadow-lg:0 10px 30px rgba(15,23,42,.08),0 4px 8px rgba(15,23,42,.04);--container-max:1240px;--container-pad:20px;--header-h:72px;--font-sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;--font-display:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--transition:200ms cubic-bezier(.4,0,.2,1);--transition-slow:400ms cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.55;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.25rem)}
h2{font-size:clamp(1.5rem,3vw,2.25rem)}
h3{font-size:clamp(1.15rem,2vw,1.5rem)}
ul{list-style:none}
.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-pad)}
.site-header{position:sticky;top:0;z-index:100;background:var(--color-bg);border-bottom:1px solid var(--color-border);height:var(--header-h);display:flex;align-items:center}
.site-header__inner{display:flex;align-items:center;gap:var(--space-6);width:100%}
.site-logo{display:inline-flex;align-items:center;gap:var(--space-3);font-weight:800;font-size:1.1rem;color:var(--color-text);letter-spacing:-.02em;flex-shrink:0}
.site-logo__mark{width:36px;height:36px;border-radius:var(--radius-md);background:var(--color-accent);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.9rem;overflow:hidden}
.site-logo__mark img.logo-svg{width:100%;height:100%;object-fit:contain}
.main-nav{display:none;align-items:center;gap:var(--space-2);flex:1;margin-left:var(--space-4)}
@media(min-width:900px){.main-nav{display:flex}}
.main-nav__link{padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:.95rem;font-weight:500;color:var(--color-text-muted);transition:color var(--transition),background var(--transition)}
.main-nav__link:hover,.main-nav__link.is-active{color:var(--color-text);background:var(--color-accent-soft)}
.header-actions{display:flex;align-items:center;gap:var(--space-2);margin-left:auto}
.icon-btn{position:relative;width:40px;height:40px;border-radius:var(--radius-md);display:grid;place-items:center;transition:background var(--transition);font-size:0}
.icon-btn svg{width:22px;height:22px}
.icon-btn:hover{background:var(--color-bg-soft)}
.hamburger{display:grid}
@media(min-width:900px){.hamburger{display:none}}
.reading-progress{position:fixed;top:0;left:0;height:3px;background:var(--color-primary);z-index:200;width:0;transition:width .1s}
.no-scroll{overflow:hidden}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:12px 22px;border-radius:var(--radius-md);font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn--primary{background:var(--color-accent);color:#fff}
.btn--primary:hover{background:var(--color-accent-hover);transform:translateY(-1px);color:#fff}
.cart-badge{position:absolute;top:4px;right:4px;min-width:18px;height:18px;border-radius:99px;background:var(--color-primary);color:#fff;font-size:.7rem;font-weight:700;display:grid;place-items:center;padding:0 4px}
.cart-badge:empty{display:none}