/* ============ База ============ */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--c-bg-primary);color:var(--c-fg-primary);font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh;display:flex;flex-direction:column;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--c-accent-blue-hover);}
img,svg{max-width:100%;display:block;}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.95rem;padding:.8rem 1.5rem;border-radius:var(--radius-md);transition:var(--t-base);cursor:pointer;border:1px solid transparent;white-space:nowrap;}
.btn-primary{background:var(--c-accent-red);color:#fff;}
.btn-primary:hover{background:var(--c-accent-red-hover);box-shadow:0 0 28px var(--c-glow-red);transform:translateY(-2px);color:#fff;}
.btn-outline{border-color:var(--c-border-strong);color:var(--c-fg-primary);background:transparent;}
.btn-outline:hover{border-color:var(--c-accent-blue);box-shadow:0 0 24px var(--c-glow-blue);transform:translateY(-2px);}
.btn .arrow{transition:transform var(--t-fast);}
.btn:hover .arrow{transform:translateX(3px);}
.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--space-lg);}
.site-main{flex:1;}
.site-main.page{padding-top:calc(var(--header-h) + var(--space-2xl));padding-bottom:var(--space-3xl);}
section{padding:var(--space-3xl) 0;position:relative;}
h1,h2,h3{letter-spacing:-.02em;line-height:1.07;}
h2{font-size:clamp(1.9rem,3vw + 1rem,3rem);font-weight:800;}
h3{font-size:1.3rem;font-weight:700;}
.section-head{max-width:640px;margin-bottom:var(--space-2xl);}
.section-head .eyebrow{display:block;margin-bottom:.85rem;}
.section-head p{color:var(--c-fg-secondary);font-size:1.05rem;margin-top:.9rem;line-height:1.6;}
.eyebrow{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--c-accent-red);font-weight:500;}
.eyebrow::before{content:'// ';opacity:.55;}
.mono{font-family:var(--font-mono);}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
html:not(.js) .reveal{opacity:1 !important;transform:none !important;}
:focus-visible{outline:2px solid var(--c-accent-blue);outline-offset:2px;border-radius:var(--radius-sm);}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition-duration:.01ms !important;}html{scroll-behavior:auto;}.reveal{opacity:1;transform:none;}}