/*
Theme Name: DatumVale
Author: DatumVale
Description: Lightweight editorial theme for DatumVale.
Version: 1.0.0
Text Domain: datumvale
*/
:root{--bg:#f6f7f9;--surface:#fff;--text:#172033;--muted:#687386;--line:#e6e9ef;--accent:#315efb;--max:1180px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.dv-wrap{width:min(calc(100% - 32px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}.site-title{font-weight:800;font-size:1.45rem;letter-spacing:-.03em}.primary-nav ul{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0}.primary-nav a{font-weight:600;font-size:.95rem;color:#283248}.primary-nav a:hover{color:var(--accent)}.menu-toggle{display:none;border:0;background:none;font-size:1.5rem}
.hero{padding:72px 0 44px}.hero-box{background:linear-gradient(135deg,#10182b,#263b78);color:#fff;border-radius:24px;padding:64px;box-shadow:0 24px 70px rgba(28,42,78,.18)}.hero-kicker{text-transform:uppercase;letter-spacing:.14em;font-weight:700;font-size:.78rem;opacity:.72}.hero h1{font-size:clamp(2.35rem,6vw,5.5rem);line-height:.96;letter-spacing:-.055em;margin:.45rem 0 1rem;max-width:850px}.hero p{font-size:1.08rem;max-width:680px;color:#dbe4ff;margin:0}
.section{padding:30px 0 58px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head h2{margin:0;font-size:1.9rem;letter-spacing:-.035em}.section-head a{color:var(--accent);font-weight:700}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:0 14px 35px rgba(31,47,76,.09)}.card-media{aspect-ratio:16/10;background:linear-gradient(135deg,#dce5ff,#eff3ff);overflow:hidden}.card-media img{width:100%;height:100%;object-fit:cover}.card-body{padding:20px}.card-meta{font-size:.77rem;text-transform:uppercase;letter-spacing:.09em;font-weight:800;color:var(--accent)}.card h3{font-size:1.22rem;line-height:1.25;margin:.45rem 0 .55rem;letter-spacing:-.02em}.card p{margin:0;color:var(--muted);font-size:.95rem}
.content-layout{display:grid;grid-template-columns:minmax(0,760px) 1fr;gap:42px;padding:52px 0}.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:clamp(24px,5vw,52px)}.article h1{font-size:clamp(2.1rem,5vw,4rem);line-height:1.02;letter-spacing:-.045em;margin:.3rem 0 1rem}.article .entry-meta{color:var(--muted);margin-bottom:30px}.article-content h2,.article-content h3{line-height:1.2;letter-spacing:-.025em;margin-top:1.6em}.article-content p,.article-content li{font-size:1.07rem}.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:18px}
.site-footer{margin-top:50px;background:#111827;color:#d7deeb}.footer-inner{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px;padding:52px 0}.site-footer h3{color:#fff;margin-top:0}.footer-bottom{border-top:1px solid #273247;padding:18px 0;color:#9aa7bc;font-size:.9rem}.page-header{padding:52px 0 20px}.page-header h1{font-size:clamp(2.2rem,5vw,4.2rem);letter-spacing:-.05em;margin:0}.empty-state{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}
@media(max-width:900px){.post-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.hero{padding-top:28px}.hero-box{padding:34px 24px;border-radius:18px}.post-grid{grid-template-columns:1fr}.menu-toggle{display:block}.primary-nav{display:none;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 15px 40px rgba(20,30,50,.12)}.primary-nav.open{display:block}.primary-nav ul{flex-direction:column;align-items:flex-start}.footer-inner{grid-template-columns:1fr}}