:root{--color-bg:#f4f8fc;--color-surface:#e8f2fa;--color-surface-raised:#fff;--color-ink:#0f1c31;--color-ink-secondary:#4e6b87;--color-accent:#3b9eca;--color-accent-dim:rgba(59,158,202,.12);--color-border:#c9dfef;--color-border-strong:#a8c8e0;--color-dark-bg:#0f1c31;--color-dark-ink:#f8fafc;--color-dark-ink-secondary:#94a3b8;--color-dark-border:hsla(0,0%,100%,.08);--font-body:"Inter",system-ui,-apple-system,sans-serif;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--shadow-card:0 1px 3px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.06);--transition:.2s ease;--max-width:1100px;--section-padding:96px 24px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{background-color:var(--color-bg);color:var(--color-ink);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{background:none;border:none;cursor:pointer}button,h1,h2,h3,h4{font-family:var(--font-body)}h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.2}h1{font-size:clamp(2rem,5vw,3.25rem)}h1,h2{font-weight:700}h2{font-size:clamp(1.6rem,3.5vw,2.5rem)}h3{font-size:1.125rem;font-weight:600}p{color:var(--color-ink-secondary);line-height:1.75}.container{margin:0 auto;max-width:var(--max-width);padding:0 24px}.section{padding:var(--section-padding)}.btn-primary{align-items:center;background:var(--color-accent);border-radius:var(--radius-sm);color:#0f1c31;display:inline-flex;font-size:.95rem;font-weight:600;gap:8px;padding:12px 24px;transition:opacity var(--transition),transform var(--transition)}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-secondary{align-items:center;background:transparent;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);color:var(--color-ink);display:inline-flex;font-size:.95rem;font-weight:500;gap:8px;padding:12px 24px;transition:border-color var(--transition),background var(--transition)}.btn-secondary:hover{border-color:var(--color-accent)}.badge,.btn-secondary:hover{background:var(--color-accent-dim)}.badge{align-items:center;border:1px solid rgba(102,194,232,.3);border-radius:100px;color:var(--color-accent);display:inline-flex;font-size:.8rem;font-weight:500;gap:6px;letter-spacing:.02em;padding:4px 12px}.section-title{color:var(--color-ink);margin-bottom:12px}.section-subtitle{color:var(--color-ink-secondary);font-size:1.05rem;margin-bottom:48px;max-width:560px}