/* SmartVolt — shared styles for static SEO landing pages (Phase 1).
   Lightweight, on-brand, uses the design-system tokens with safe fallbacks. */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--surface-base,#000);color:var(--text-primary,#fff);font-family:var(--font-body,'Manrope',system-ui,sans-serif);-webkit-font-smoothing:antialiased;line-height:1.5}
img{max-width:100%}

.seo-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:rgba(0,0,0,.72);border-bottom:1px solid var(--border-hairline,#1f1f1f)}
.seo-bar{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px;padding:0 clamp(1.25rem,4vw,3rem)}
.seo-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.seo-logo img{height:28px;width:auto;display:block}
.seo-logo b{font-family:var(--font-display,'Space Grotesk',sans-serif);font-weight:700;font-size:19px;letter-spacing:-.02em}
.seo-logo b span{color:var(--sv-yellow,#ffd400)}
.seo-nav{display:flex;align-items:center;gap:20px}
.seo-nav a{font-size:14px;font-weight:600;color:var(--text-secondary,#a8a8a8);text-decoration:none}
.seo-nav a:hover{color:var(--sv-yellow,#ffd400)}
.seo-nav a.cta{background:var(--sv-yellow,#ffd400);color:#000;padding:9px 16px;border-radius:4px}
@media(max-width:560px){.seo-nav a.navlink{display:none}}

.seo-main{max-width:1000px;margin:0 auto;padding:clamp(2rem,5vw,3.5rem) clamp(1.25rem,4vw,3rem)}
.seo-back{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono,ui-monospace,monospace);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary,#a8a8a8);text-decoration:none}
.seo-back:hover{color:var(--sv-yellow,#ffd400)}
.seo-kicker{display:inline-flex;align-items:center;gap:10px;margin-top:22px;font-family:var(--font-mono,ui-monospace,monospace);font-size:13px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--sv-yellow,#ffd400)}
.seo-kicker .bar{width:24px;height:2px;background:var(--sv-yellow,#ffd400)}
h1.seo-title{font-family:var(--font-display,'Space Grotesk',sans-serif);font-weight:700;font-size:clamp(2rem,4.5vw,3.4rem);letter-spacing:-.03em;line-height:1.06;margin:16px 0 0;color:#fff}
.seo-loc{font-family:var(--font-mono,ui-monospace,monospace);font-size:13px;letter-spacing:.06em;color:var(--sv-yellow,#ffd400);margin:12px 0 0}
.seo-hero{margin:28px 0 0;border:1px solid var(--border-hairline,#1f1f1f);border-radius:14px;overflow:hidden;background:#0a0a0a;box-shadow:0 18px 50px rgba(0,0,0,.45)}
.seo-hero img{display:block;width:100%;height:auto}
.seo-lead{font-size:clamp(1rem,1.5vw,1.18rem);line-height:1.7;color:var(--text-secondary,#b3b3b3);margin:28px 0 0;max-width:72ch}
h2.seo-h2{font-family:var(--font-display,'Space Grotesk',sans-serif);font-weight:700;font-size:clamp(1.4rem,2.6vw,1.9rem);letter-spacing:-.02em;margin:42px 0 0;color:#fff}
.seo-benefits{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.seo-benefits li{display:flex;align-items:flex-start;gap:10px;background:var(--surface-card,#141414);border:1px solid var(--border-hairline,#1f1f1f);border-radius:8px;padding:14px 16px;font-size:14.5px;line-height:1.5;color:var(--text-secondary,#cfcfcf)}
.seo-benefits li::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--sv-yellow,#ffd400);flex:none;margin-top:6px}
.seo-cta{margin:46px 0 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.seo-cta a{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:15px;padding:15px 26px;border-radius:6px;text-decoration:none}
.seo-cta a.primary{background:var(--sv-yellow,#ffd400);color:#000;box-shadow:var(--glow-yellow,0 0 30px rgba(255,212,0,.12))}
.seo-cta a.secondary{background:var(--surface-raised,#1a1a1a);color:#fff;border:1px solid var(--border-subtle,#333)}

.seo-cards{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.seo-cards li{margin:0}
.seo-cards a{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit;background:var(--surface-card,#141414);border:1px solid var(--border-hairline,#1f1f1f);border-radius:10px;overflow:hidden;transition:border-color .2s,transform .2s}
.seo-cards a:hover{border-color:var(--sv-yellow,#ffd400);transform:translateY(-3px)}
.seo-cards .thumb{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--border-hairline,#1f1f1f);background:#0a0a0a}
.seo-cards .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.seo-cards .body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.seo-cards .tag{font-family:var(--font-mono,ui-monospace,monospace);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--sv-yellow,#ffd400)}
.seo-cards h3{font-family:var(--font-display,'Space Grotesk',sans-serif);font-weight:600;font-size:1.1rem;margin:0;color:#fff}
.seo-cards p{margin:0;font-size:13.5px;line-height:1.55;color:var(--text-secondary,#b3b3b3)}

.seo-foot{max-width:1000px;margin:0 auto;padding:36px clamp(1.25rem,4vw,3rem);border-top:1px solid var(--border-hairline,#1f1f1f);color:var(--text-muted,#888);font-size:13px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between}
.seo-foot a{color:var(--text-secondary,#a8a8a8);text-decoration:none}
.seo-foot a:hover{color:var(--sv-yellow,#ffd400)}