.authi-hero{background:linear-gradient(135deg,var(--navy-deep) 0%,var(--navy) 100%);color:var(--text-on-navy,#fff);padding:48px 0 40px;position:relative;overflow:hidden}
.authi-hero::before{content:'';position:absolute;top:-120px;left:-120px;width:500px;height:500px;background:radial-gradient(circle,rgba(16,185,129,.08) 0%,transparent 70%);pointer-events:none}
.authi-hero::after{content:'';position:absolute;bottom:-80px;right:-80px;width:350px;height:350px;background:radial-gradient(circle,rgba(212,167,58,.06) 0%,transparent 70%);pointer-events:none}
.authi-hero__inner{position:relative;z-index:2;text-align:center;max-width:700px;margin:0 auto}
.authi-hero__icon{font-size:48px;margin-bottom:12px;display:inline-block}
.authi-hero h1{font-size:clamp(24px,4vw,36px);font-weight:800;margin:0 0 12px;line-height:1.3;color:var(--text-on-navy)}
.authi-hero__sub{font-size:15px;color:var(--text-on-navy-muted);line-height:1.7;max-width:600px;margin:0 auto}
.authi-hero__breadcrumb{font-size:12px;color:rgba(255,255,255,.5);margin-bottom:20px;position:relative;z-index:2}

.authi-content{max-width:1180px;margin:0 auto;padding:32px 20px 60px}

.authi-group{margin-bottom:32px}
.authi-group__title{font-size:20px;font-weight:800;color:var(--navy);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.authi-group__desc{font-size:13px;color:var(--text-muted,#7B8FA3);margin-bottom:16px;line-height:1.6}

.authi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}

.authi-card{background:var(--bg-card,#fff);border:1px solid var(--border);border-radius:14px;padding:24px;text-decoration:none;color:inherit;transition:all .25s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.authi-card:hover{border-color:var(--teal,var(--success));transform:translateY(-3px);box-shadow:0 8px 24px rgba(11,31,58,.08)}
.authi-card__top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.authi-card__icon{font-size:32px;width:56px;height:56px;background:var(--bg);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.authi-card__meta{flex:1;min-width:0}
.authi-card__name{font-size:16px;font-weight:800;color:var(--navy);margin:0 0 4px;line-height:1.3}
.authi-card__role{font-size:12px;color:var(--text-muted,#7B8FA3);font-weight:600}
.authi-card__bio{font-size:13px;color:var(--text-mid,#4A5E73);line-height:1.7;flex:1;margin-bottom:14px}
.authi-card__footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border)}
.authi-card__badge{font-size:10px;padding:3px 10px;border-radius:50px;font-weight:700}
.authi-card__badge--institution{background:rgba(59,130,246,.1);color:var(--info,#3B82F6)}
.authi-card__badge--scholar{background:rgba(16,185,129,.1);color:var(--success)}
.authi-card__arrow{font-size:13px;color:var(--teal,var(--success));font-weight:700;display:flex;align-items:center;gap:4px}

.authi-cta{background:var(--bg-card,#fff);border:1px solid var(--border);border-radius:14px;padding:32px;text-align:center;margin-top:8px}
.authi-cta__title{font-size:18px;font-weight:800;color:var(--navy);margin:0 0 8px}
.authi-cta__desc{font-size:13px;color:var(--text-muted,#7B8FA3);margin-bottom:16px;line-height:1.6}
.authi-cta__btn{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--gold),var(--gold-light,#D4A73A));color:var(--navy-deep);padding:10px 24px;border-radius:8px;font-size:14px;font-weight:800;text-decoration:none;transition:all .2s}
.authi-cta__btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(192,138,46,.3)}

@media(max-width:768px){
    .authi-hero{padding:32px 0 28px}
    .authi-grid{grid-template-columns:1fr}
    .authi-content{padding:20px 16px 40px}
}
@media(max-width:640px){
    .authi-grid{grid-template-columns:1fr}
    .authi-card{padding:18px}
}
@media(max-width:480px){
    .authi-card__top{flex-direction:column;text-align:center}
    .authi-card__icon{margin:0 auto}
    .authi-card__meta{text-align:center}
    .authi-hero h1{font-size:clamp(20px,5.5vw,26px)}
}
@media(max-width:375px){
    .authi-content{padding-inline:12px}
    .authi-cta{padding:20px 14px}
}
@media(max-width:320px){
    .authi-hero h1{font-size:clamp(17px,5vw,20px)}
    .authi-card{padding:14px}
}
@media(min-width:1024px){
    .authi-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
}
@media(min-width:1440px){
    .authi-content{max-width:1280px}
}
/* Landscape + on-screen keyboard (height ~300-400px): compress hero
   so the first authority card stays above the fold. */
@media (max-height: 500px) and (orientation: landscape) {
    .authi-hero{padding:12px 0}
    .authi-hero__icon{font-size:28px;margin-bottom:4px}
    .authi-hero h1{font-size:18px;margin:0 0 4px}
    .authi-hero__sub{font-size:13px;line-height:1.4}
    .authi-content{padding-top:16px}
}