:root{--bg: #ffffff;--bg-alt: #f6f7f9;--text: #1a1d21;--text-muted: #5c6570;--accent: #2563eb;--accent-hover: #1d4ed8;--border: #e3e6ea;--radius: 12px;--container: 900px}[data-theme=dark]{--bg: #14171a;--bg-alt: #1c2126;--text: #eceff2;--text-muted: #9aa4b0;--accent: #60a5fa;--accent-hover: #93c5fd;--border: #2b3239}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background .25s,color .25s}.container{max-width:var(--container);margin:0 auto;padding:0 20px}.center{text-align:center}code{background:var(--bg-alt);border:1px solid var(--border);border-radius:5px;padding:2px 6px;font-size:.9em}.header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 85%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header__inner{display:flex;align-items:center;gap:24px;height:62px}.logo{font-weight:700;font-size:1.15rem;color:var(--text);text-decoration:none}.nav{display:flex;gap:22px;margin-left:auto}.nav a{color:var(--text-muted);text-decoration:none;font-size:.94rem;transition:color .2s}.nav a:hover{color:var(--accent)}.theme-btn{background:none;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:1rem;padding:6px 10px;transition:border-color .2s}.theme-btn:hover{border-color:var(--accent)}.hero{padding:110px 0 90px;text-align:center}.hero__eyebrow{color:var(--accent);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.82rem}.hero__title{font-size:clamp(2.5rem,8vw,4.2rem);line-height:1.1;margin:10px 0 14px;letter-spacing:-.02em}.hero__subtitle{color:var(--text-muted);font-size:1.12rem;margin-bottom:32px}.btn{display:inline-block;background:var(--accent);color:#fff;border:none;padding:12px 26px;border-radius:var(--radius);font-size:1rem;font-family:inherit;font-weight:500;text-decoration:none;cursor:pointer;transition:background .2s,transform .1s}.btn:hover{background:var(--accent-hover)}.btn:active{transform:scale(.97)}.section{padding:72px 0}.section--alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section__title{font-size:1.9rem;margin-bottom:18px;letter-spacing:-.01em}.text{color:var(--text-muted);max-width:620px}.center .text{margin:0 auto 28px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:30px}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-4px);border-color:var(--accent)}.card__icon{font-size:1.9rem;margin-bottom:10px}.card h3{margin-bottom:6px;font-size:1.12rem}.card p{color:var(--text-muted);font-size:.94rem}.counter{margin-top:24px}.footer{padding:34px 0;text-align:center;color:var(--text-muted);font-size:.9rem}.footer__love{font-size:1.15rem;color:var(--text);margin-bottom:10px}.heart{display:inline-block;animation:heartbeat 1.5s ease-in-out infinite}@keyframes heartbeat{0%,to{transform:scale(1)}50%{transform:scale(1.25)}}@media(prefers-reduced-motion:reduce){.heart{animation:none}}