/* compacted for brevity (same as earlier content) */
:root{--bg:#f6f7fb;--surface:#fff;--surface-2:#fbfbfc;--ink:#121212;--muted:#4b5563;--muted-2:#6b7280;--line:#e7e9f0;--accent:#0f766e;--accent-2:#134e4a;--danger:#b91c1c;--radius:16px;--shadow:0 10px 24px rgba(17,17,17,.06);--fs-base:1.04rem;--fs-2xl:2.35rem}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial;color:var(--ink);background:radial-gradient(80rem 40rem at 10% -20%, rgba(11,112,99,.06), transparent 45%),radial-gradient(70rem 35rem at 120% -30%, rgba(180,83,9,.05), transparent 45%),linear-gradient(180deg,var(--bg),#fff 65%);line-height:1.6;font-size:var(--fs-base)}
.container{width:min(1120px,92%);margin-inline:auto;padding:24px 0 64px}
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(110%) blur(6px);background:rgba(255,255,255,.92);border-bottom:1px solid var(--line)}
.header-flex{display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:.2px;font-size:1.06rem;padding:10px 14px;border-radius:10px}
.nav{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav a{color:#4b5563;text-decoration:none;padding:10px 12px;border-radius:10px}
.nav a:hover,.nav a.active{color:#111;background:#fbfbfc;border:1px solid var(--line)}
.nav-toggle{display:none}@media (max-width:760px){.nav-toggle{display:inline-block}.nav{display:none}.nav.open{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);padding:8px;position:absolute;right:14px;top:54px;width:220px;border-radius:12px}}
.sos-banner{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:16px 18px;border:1px solid #f1c9c9;border-radius:14px;background:#fff6f6;box-shadow:var(--shadow)}
.hero{background:linear-gradient(180deg,#fff,#fbfbfc);border:1px solid var(--line);border-radius:20px;padding:36px 28px;box-shadow:var(--shadow)}
.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;padding:12px 16px;border-radius:12px;font-weight:700;text-decoration:none;color:#fff;background:linear-gradient(180deg,#134e4a,#0f766e);border:1px solid #0b3a36}
.btn-ghost{background:#f4f6f7;color:#111;border:1px solid var(--line)}
.btn-danger{background:#b91c1c;border:1px solid #811414}
.card-grid{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}@media (max-width:980px){.card-grid{grid-template-columns:1fr 1fr}}@media (max-width:680px){.card-grid{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:0 8px 20px rgba(0,0,0,.05);display:flex;flex-direction:column;gap:10px}
.card-title{margin:0 0 2px;font-size:1.08rem}.card-meta{color:#6b7280;font-size:.9rem;margin:0 0 8px}.card-desc{margin:0 0 8px}.card-tags{color:#6b7280;font-size:.85rem}.card-actions{display:flex;gap:10px}
.why-grid{display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}
.filters{display:grid;gap:10px;grid-template-columns:1.6fr repeat(5,1fr) auto;align-items:end;margin:14px 0 18px}
.filters input[type=search],.filters select{background:#fff;color:#111;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.az-chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 14px}
.az-chips button{background:#f5f6f8;border:1px solid #e5e7eb;border-radius:10px;padding:.35rem .55rem;cursor:pointer}
.az-chips button.active{background:#0f766e;color:#fff;border-color:#0b3a36}
.site-footer{border-top:1px solid var(--line);padding:16px 0;background:#f8f9fb;text-align:center;color:#4b5563}