/* SIGMA SEO 13 — isolated CSS; avoids altering existing pricing/UI styles */
.sigma13-hero{box-sizing:border-box;max-width:1060px;margin:24px auto;padding:30px clamp(20px,4vw,44px);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#f0f7ff;background:linear-gradient(135deg,#132443,#172f46 60%,#163d43);border:1px solid #44657b;border-radius:18px;line-height:1.65;box-shadow:0 14px 32px #0002}
.sigma13-hero *{box-sizing:border-box}.sigma13-hero h1{font-size:clamp(1.6rem,3vw,2.6rem);line-height:1.25;color:#fff;margin:12px 0 14px}.sigma13-eyebrow{font-size:.76rem;letter-spacing:.16em;font-weight:800;color:#85e0dc}.sigma13-intro{font-size:1.13rem;font-weight:550}.sigma13-trial{display:flex;flex-direction:column;gap:6px;padding:16px 20px;margin:18px 0;background:#d7f8ec;color:#10382d;border-radius:12px}.sigma13-trial strong{font-size:1.25rem}.sigma13-trial span{font-size:.94rem}.sigma13-cta{margin:22px 0}.sigma13-cta a{display:inline-block;background:#e8f4ff;color:#102c4c;font-size:1.02rem;font-weight:800;padding:12px 24px;border-radius:10px;text-decoration:none}.sigma13-cta a:hover{background:#fff}.sigma13-risk{margin:20px 0 14px;padding:14px 16px;border-inline-start:4px solid #ffc573;border-radius:7px;background:#26384d;font-size:.87rem}.sigma13-journal,.sigma13-language-note{font-size:.93rem;color:#d4e6f3}.sigma13-guides a{color:#b7f5ed;text-decoration:underline}.sigma13-languages{padding-top:13px;border-top:1px solid #527284;display:flex;flex-wrap:wrap;gap:8px 14px}.sigma13-languages a{color:#b7f5ed;text-decoration:underline;text-underline-offset:3px;font-size:.88rem}.sigma13-fresh{margin:0;min-height:100vh;background:#0c1929;padding:24px 12px}.sigma13-fresh .sigma13-hero{margin:18px auto}@media(max-width:480px){.sigma13-hero{padding:20px 16px;margin:12px 8px}}