/* ═══════════════════════════════════════════════
   PHAM BIOSCIENCE — Public Press Pages
   Inherits the main site's green design language
   ═══════════════════════════════════════════════ */
:root {
  --g900:#1b4332; --g800:#2d6a4f; --g700:#40916c; --g600:#52b788;
  --g400:#74c69d; --g300:#95d5b2; --g200:#b7e4c7; --g100:#d8f3dc; --g50:#f0faf3;
  --text:#1b4332; --muted:#5a8374; --light:#8fb5a3; --border:#d1e8da;
  --card:#ffffff; --bg:#f4f9f6;
  --radius:14px; --radius-sm:8px;
  --shadow:0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:0 12px 40px rgba(0,0,0,.14);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);background:#fff;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
img{display:block;max-width:100%}
.hidden{display:none!important}

/* ── Navbar ────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1160px;margin:0 auto;padding:0 1.5rem;height:64px;display:flex;align-items:center;gap:2rem}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:800;color:var(--g900);letter-spacing:-.3px;flex-shrink:0}
.nav-links{display:flex;gap:1.5rem;align-items:center;flex:1}
.nav-links a{font-size:.875rem;font-weight:600;color:var(--muted);transition:color .18s}
.nav-links a:hover,.nav-links a.active{color:var(--g900)}
.nav-cta{display:flex;gap:.5rem;align-items:center}
.btn-nav-solid{padding:.45rem 1.1rem;font-size:.875rem;font-weight:700;color:#fff;background:var(--g700);border-radius:var(--radius-sm);transition:background .18s,transform .18s}
.btn-nav-solid:hover{background:var(--g900);transform:translateY(-1px)}
.nav-hamburger{display:none;flex-direction:column;gap:5px;padding:6px;margin-left:auto}
.nav-hamburger span{display:block;width:22px;height:2.5px;background:var(--g900);border-radius:2px}
.nav-mobile{padding:1rem 1.5rem 1.25rem;display:flex;flex-direction:column;gap:.75rem;border-top:1px solid var(--border);background:#fff}
.nav-mobile a{font-size:.9rem;font-weight:600;color:var(--muted);padding:.25rem 0}
.nav-mobile a:hover{color:var(--g900)}
.nav-mobile .btn-nav-solid{text-align:center;width:100%}

/* ── Page hero ─────────────────────────────────── */
.press-hero{background:linear-gradient(150deg,var(--g900) 0%,var(--g800) 55%,var(--g700) 100%);padding:5rem 1.5rem 4rem;text-align:center;position:relative;overflow:hidden}
.press-hero-bg{position:absolute;inset:0;pointer-events:none}
.press-hero-inner{max-width:720px;margin:0 auto;position:relative;z-index:1}
.press-hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:var(--g100);font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:.35rem 1rem;border-radius:999px;margin-bottom:1.5rem}
.press-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:900;color:#fff;letter-spacing:-.04em;line-height:1.15;margin-bottom:1rem}
.press-hero h1 span{background:linear-gradient(90deg,#74c69d,#b7e4c7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.press-hero p{font-size:1.05rem;color:var(--g300);line-height:1.8}

/* ── Filter bar ────────────────────────────────── */
.filter-bar{background:var(--g50);border-bottom:1px solid var(--g100);padding:.75rem 1.5rem}
.filter-bar-inner{max-width:1160px;margin:0 auto;display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.filter-btn{padding:.35rem .875rem;border-radius:999px;font-size:.8rem;font-weight:700;border:1.5px solid var(--border);color:var(--muted);background:#fff;transition:all .15s;cursor:pointer}
.filter-btn:hover{border-color:var(--g300);color:var(--g800)}
.filter-btn.active{background:var(--g800);color:#fff;border-color:var(--g800)}
.filter-label{font-size:.78rem;font-weight:700;color:var(--light);margin-right:.25rem;text-transform:uppercase;letter-spacing:.05em}

/* ── Grid ──────────────────────────────────────── */
.press-grid-wrap{max-width:1160px;margin:0 auto;padding:3rem 1.5rem 5rem}
.press-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.press-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.press-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.press-card-body{padding:1.5rem;flex:1;display:flex;flex-direction:column}
.press-card-cat{display:inline-block;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--g700);background:var(--g50);border:1px solid var(--g100);border-radius:999px;padding:.2rem .65rem;margin-bottom:.875rem}
.press-card-title{font-size:1.05rem;font-weight:800;color:var(--g900);line-height:1.35;margin-bottom:.5rem}
.press-card-sub{font-size:.875rem;color:var(--muted);line-height:1.7;flex:1;margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.press-card-meta{display:flex;align-items:center;justify-content:space-between;font-size:.75rem;color:var(--light);border-top:1px solid var(--border);padding-top:.875rem;margin-top:auto}
.press-card-meta strong{color:var(--muted)}
.read-more{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;font-weight:700;color:var(--g700);transition:color .15s}
.read-more:hover{color:var(--g900)}
.read-more svg{transition:transform .15s}
.read-more:hover svg{transform:translateX(3px)}

/* ── Pagination ────────────────────────────────── */
.pagination{display:flex;gap:.5rem;justify-content:center;align-items:center;padding:1rem 0 2rem}
.page-btn{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.84rem;font-weight:700;border:1.5px solid var(--border);color:var(--muted);background:#fff;cursor:pointer;transition:all .15s}
.page-btn:hover{border-color:var(--g300);color:var(--g800)}
.page-btn.active{background:var(--g800);color:#fff;border-color:var(--g800)}
.page-btn:disabled{opacity:.4;cursor:default}

/* ── Single release ────────────────────────────── */
.release-wrap{max-width:800px;margin:0 auto;padding:4rem 1.5rem 6rem}
.release-back{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:700;color:var(--muted);margin-bottom:2rem;transition:color .15s}
.release-back:hover{color:var(--g800)}
.release-back svg{transition:transform .15s}
.release-back:hover svg{transform:translateX(-3px)}
.release-category-pill{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--g700);background:var(--g50);border:1px solid var(--g100);border-radius:999px;padding:.25rem .75rem;margin-bottom:1rem}
.release-title{font-size:clamp(1.75rem,3.5vw,2.75rem);font-weight:900;color:var(--g900);letter-spacing:-.03em;line-height:1.15;margin-bottom:.75rem}
.release-subtitle{font-size:1.15rem;color:var(--muted);line-height:1.7;margin-bottom:1.75rem}
.release-meta{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap;padding:1rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:2.5rem}
.release-meta-item{display:flex;align-items:center;gap:.4rem;font-size:.82rem;color:var(--muted)}
.release-meta-item svg{color:var(--g600)}
.release-body{font-size:1rem;line-height:1.85;color:var(--text)}
.release-body h1,.release-body h2,.release-body h3{color:var(--g900);margin:1.75rem 0 .75rem;line-height:1.2}
.release-body h1{font-size:1.75rem}
.release-body h2{font-size:1.4rem}
.release-body h3{font-size:1.15rem}
.release-body p{margin-bottom:1.1rem}
.release-body ul,.release-body ol{margin:.5rem 0 1.1rem 1.5rem}
.release-body li{margin-bottom:.35rem}
.release-body blockquote{border-left:4px solid var(--g400);padding:.875rem 1.5rem;background:var(--g50);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.5rem 0;font-style:italic;color:var(--g800)}
.release-body hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
.release-body strong{font-weight:700;color:var(--g900)}
.release-body a{color:var(--g700);text-decoration:underline;text-underline-offset:3px}
.release-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border)}
.release-tag{font-size:.75rem;font-weight:700;padding:.25rem .7rem;border-radius:999px;background:var(--g50);border:1px solid var(--g100);color:var(--muted)}

/* ── States ────────────────────────────────────── */
.loading-state,.empty-state,.error-state{text-align:center;padding:4rem 1rem;color:var(--muted)}
.empty-state h3,.error-state h3{font-size:1.1rem;color:var(--g900);margin-bottom:.5rem;margin-top:1rem}
.spinner{width:36px;height:36px;border:3px solid var(--g100);border-top-color:var(--g600);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Footer ────────────────────────────────────── */
.site-footer{background:var(--g900);border-top:1px solid rgba(255,255,255,.08)}
.footer-top{max-width:1160px;margin:0 auto;padding:4rem 1.5rem 3rem;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:800;color:#fff;margin-bottom:1rem}
.footer-about{font-size:.85rem;color:var(--g300);line-height:1.7;max-width:300px;margin-bottom:1.25rem}
.footer-col-heading{font-size:.72rem;font-weight:700;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.08em;margin-bottom:1.25rem}
.footer-col-links{list-style:none;display:flex;flex-direction:column;gap:.75rem}
.footer-col-links a{font-size:.875rem;color:var(--g300);font-weight:500;transition:color .18s}
.footer-col-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);max-width:1160px;margin:0 auto;padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.footer-copy{font-size:.78rem;color:rgba(255,255,255,.3)}
.footer-legal{display:flex;gap:1.25rem}
.footer-legal a{font-size:.78rem;color:rgba(255,255,255,.35);transition:color .18s}
.footer-legal a:hover{color:rgba(255,255,255,.7)}
.social-link{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;transition:background .18s}
.social-link:hover{background:rgba(255,255,255,.18)}
.footer-social{display:flex;gap:.625rem}

/* ── Responsive ─────────────────────────────────── */
@media(max-width:900px){
  .press-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .press-grid{grid-template-columns:1fr}
  .nav-links,.nav-cta{display:none}
  .nav-hamburger{display:flex}
  .footer-top{grid-template-columns:1fr}
}