:root{--navy:#0f1b2d;--blue:#00c6ff;--green:#1aad3c;--push:#7A5CFF;--teal:#1a8a7a;--white:#ffffff;--gray-50:#f7f8fa;--gray-100:#eef0f4;--gray-200:#dde1e8;--gray-400:#6b7280;--gray-600:#374151;--font-main:'DM Sans',-apple-system,sans-serif;--font-mono:'Space Mono',monospace}
*{margin:0;padding:0;box-sizing:border-box}
html{background:#fff}
body{font-family:var(--font-main);color:var(--navy);background:#fff;-webkit-font-smoothing:antialiased;overflow-x:hidden}

/* ── BANNER & NAV ── */

.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid #eef0f4;padding:10px 24px;display:flex;justify-content:space-between;align-items:center}
.navbar a{font-family:-apple-system, BlinkMacSystemFont, "Segoe UI",sans-serif;font-weight:700;font-size:16px;color:#0f1b2d;text-decoration:none;display:flex;align-items:center;gap:8px}
.nav-logo{width:26px;height:26px;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:14px;font-weight:500;color:#374151;text-decoration:none}
.nav-links a:hover,.nav-links a.active{color:#00C6FF}
.navbar select{font-family:-apple-system, BlinkMacSystemFont, "Segoe UI",sans-serif;font-size:13px;padding:6px 12px;border:1px solid #dde1e8;border-radius:8px;background:#fff;color:#0f1b2d;cursor:pointer}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ── HERO ── */
.page-hero{padding:100px 24px 48px;background:linear-gradient(165deg,#e8faff 0%,#d0f4ff 50%,#f7f8fa 100%);text-align:center}
.breadcrumb{font-size:13px;color:var(--gray-400);font-family:var(--font-mono);margin-bottom:20px}
.breadcrumb a{color:var(--gray-400);text-decoration:none}
.breadcrumb a:hover{color:var(--navy)}
.breadcrumb span{margin:0 6px;opacity:0.5}
.cat-badge{display:inline-block;font-size:11px;font-weight:700;font-family:var(--font-mono);letter-spacing:0;text-transform:uppercase;padding:4px 14px;border-radius:20px;background:rgba(26,173,60, 0.12);color:#1aad3c;border:1px solid #1aad3c33;margin-bottom:16px}
.page-hero h1{font-size:40px;font-weight:700;line-height:1.15;letter-spacing:0;margin-bottom:12px;color:var(--navy)}
.page-hero .subtitle{font-size:16px;color:var(--gray-600);line-height:1.6;max-width:520px;margin:0 auto 0}
.article-count{font-size:13px;color:var(--gray-400);font-family:var(--font-mono);margin-top:10px}

/* ── BLOG GRID ── */
.blog-container{max-width:1080px;margin:0 auto;padding:56px 24px 80px}
.section-title{font-size:11px;font-weight:700;font-family:var(--font-mono);letter-spacing:0;text-transform:uppercase;color:var(--gray-400);margin-bottom:28px;padding-bottom:14px;border-bottom:1px solid var(--gray-200)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px}
.blog-card{background:#fff;border:1px solid var(--gray-200);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow 0.2s,transform 0.2s;text-decoration:none;color:inherit}
.blog-card:hover{box-shadow:0 8px 32px rgba(0,0,0,0.10);transform:translateY(-3px)}
.card-accent{height:4px;width:100%;flex-shrink:0}
.card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.blog-card-tag{display:inline-block;font-size:10px;font-weight:700;font-family:var(--font-mono);letter-spacing:0;text-transform:uppercase;padding:3px 10px;border-radius:20px;background:rgba(0,198,255,0.1);color:#00C6FF}
.blog-card-tag.green{background:rgba(26,173,60,0.1);color:#1aad3c}
.blog-card-tag.purple{background:rgba(122,92,255,0.1);color:#7A5CFF}
.blog-card-tag.teal{background:rgba(26,138,122,0.1);color:#1a8a7a}
.blog-card-tag.amber{background:rgba(217,119,6,0.1);color:#D97706}
.blog-card-tag.indigo{background:rgba(67,56,202,0.1);color:#4338CA}
.blog-card-tag.orange{background:rgba(234,88,12,0.1);color:#EA580C}
.blog-card-tag.red{background:rgba(220,38,38,0.1);color:#DC2626}
.blog-card-tag.rose{background:rgba(190,24,93,0.1);color:#BE185D}
.blog-card-meta{font-family:var(--font-mono);font-size:11px;color:var(--gray-400);letter-spacing:0}
.blog-card h2{font-size:16px;font-weight:700;line-height:1.35;color:var(--navy);margin:0}
.blog-card p{font-size:13px;color:var(--gray-600);line-height:1.7;flex:1}
.read-more{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:700;text-decoration:none;margin-top:4px}

/* ── BACK LINK ── */
.back-section{text-align:center;padding:0 24px 64px}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--blue);text-decoration:none;border:1.5px solid var(--gray-200);border-radius:10px;padding:10px 20px;transition:all 0.15s}
.back-link:hover{border-color:var(--blue);background:rgba(0,198,255,0.04)}

/* ── ALL CATEGORIES ── */
.all-cats{background:var(--gray-50);border-top:1px solid var(--gray-200);padding:48px 24px}
.all-cats-inner{max-width:960px;margin:0 auto}
.all-cats h2{font-size:15px;font-weight:700;color:var(--navy);margin-bottom:20px;font-family:var(--font-mono);letter-spacing:0;text-transform:uppercase}
.cat-pills{display:flex;flex-wrap:wrap;gap:10px}
.cat-pill{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;padding:8px 16px;border-radius:20px;border:1.5px solid var(--gray-200);color:var(--gray-600);text-decoration:none;transition:all 0.15s;background:#fff}
.cat-pill:hover,.cat-pill.active{border-color:currentColor;color:var(--navy)}

/* ── FOOTER ── */
footer{padding:64px 24px 40px;background:var(--gray-50);border-top:1px solid var(--gray-200)}
.footer-inner{max-width:1000px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1.2fr 0.8fr;gap:40px;margin-bottom:48px;align-items:start}
.footer-brand{text-align:left}
.footer-brand-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:#0f1b2d;text-decoration:none;margin-bottom:10px}
.footer-brand p{font-size:13px;color:var(--gray-400);line-height:1.65;max-width:200px;margin:0}
.footer-col{text-align:left}
.footer-col h4{font-size:11px;font-weight:700;color:var(--navy);letter-spacing:0;text-transform:uppercase;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col ul li a{font-size:13px;color:var(--gray-400);text-decoration:none}
.footer-col ul li a:hover{color:var(--navy)}
.footer-bottom{border-top:1px solid var(--gray-200);padding-top:20px;text-align:center;font-size:12px;color:var(--gray-400)}
.footer-logo{width:22px;height:22px;opacity:1}
:focus-visible{outline:3px solid #00C6FF;outline-offset:2px}
@media(max-width:900px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.nav-links{display:none}.blog-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}.footer-brand{grid-column:1/-1}}
@media(max-width:640px){.navbar{top:0}}