/* Byzantine University v1.0.0 — navy & gold academic theme */
:root{
	--bu-navy:#0a1c48;
	--bu-navy-deep:#071237;
	--bu-gold:#c9a24b;
	--bu-gold-light:#e3c77e;
	--bu-gold-dark:#8a6d2f;
	--bu-ivory:#faf7ef;
	--bu-parchment:#f3eddf;
	--bu-ink:#23232b;
	--bu-muted:#6b6b76;
	--bu-serif:Georgia,'Palatino Linotype','Book Antiqua',serif;
	--bu-sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--bu-sans);color:var(--bu-ink);background:var(--bu-ivory);line-height:1.65}
img{max-width:100%;height:auto}
a{color:var(--bu-navy)}
.bu-wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.bu-skip{position:absolute;left:-9999px;top:0;background:var(--bu-navy);color:#fff;padding:8px 16px;z-index:200}
.bu-skip:focus{left:0}
.bu-center{text-align:center}

/* Buttons */
.bu-btn{display:inline-block;background:var(--bu-gold);color:#1c1c22;font-weight:700;text-decoration:none;padding:12px 28px;border-radius:4px;border:2px solid var(--bu-gold);cursor:pointer;font-size:15px;transition:background .15s}
.bu-btn:hover{background:var(--bu-gold-light);border-color:var(--bu-gold-light);color:#1c1c22}
.bu-btn-large{padding:15px 38px;font-size:17px}
.bu-btn-ghost{background:transparent;color:var(--bu-navy)}
.bu-btn-ghost:hover{background:var(--bu-navy);color:#fff;border-color:var(--bu-navy)}
.bu-btn-light{color:#fff;border-color:#fff}
.bu-btn-light:hover{background:#fff;color:var(--bu-navy);border-color:#fff}

/* Header */
.bu-header{background:var(--bu-navy-deep);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.25)}
.bu-header-inner{display:flex;align-items:center;gap:24px;padding:10px 20px}
.bu-brand{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.bu-brand-logo{height:64px;width:auto}
.bu-nav{flex:1}
.bu-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.bu-nav a{color:#fff;text-decoration:none;padding:10px 14px;font-size:15px;border-radius:4px}
.bu-nav a:hover{background:rgba(201,162,75,.2);color:var(--bu-gold-light)}
.bu-header-cta{display:flex;gap:10px;align-items:center}
.bu-header-cta .bu-btn{padding:9px 18px;font-size:14px}
.bu-header-cta .bu-btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.bu-header-cta .bu-btn-ghost:hover{border-color:#fff;background:#fff;color:var(--bu-navy)}
.bu-nav-toggle{display:none;background:transparent;border:2px solid var(--bu-gold);color:#fff;padding:8px 14px;border-radius:4px;cursor:pointer}

/* Hero */
.bu-hero{background:radial-gradient(ellipse at 50% 30%,#122a63 0%,var(--bu-navy-deep) 70%);color:#fff;text-align:center;padding:72px 0 80px}
.bu-hero-seal{width:170px;height:auto;margin-bottom:10px;filter:drop-shadow(0 6px 18px rgba(0,0,0,.4))}
.bu-hero-eyebrow{letter-spacing:.3em;text-transform:uppercase;color:var(--bu-gold-light);font-size:13px;margin:8px 0}
.bu-hero-title{font-family:var(--bu-serif);font-size:52px;margin:6px 0;color:#fff;font-weight:700}
.bu-hero-motto{font-family:var(--bu-serif);font-style:italic;color:var(--bu-gold);font-size:20px;margin:6px 0 14px}
.bu-hero-sub{max-width:640px;margin:0 auto 28px;color:#d8dcf0;font-size:17px}
.bu-hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Sections */
.bu-section{padding:64px 0}
.bu-section-alt{background:var(--bu-parchment)}
.bu-section-title{font-family:var(--bu-serif);font-size:34px;color:var(--bu-navy);margin:0 0 8px;text-align:center}
.bu-section-sub{text-align:center;color:var(--bu-muted);max-width:640px;margin:0 auto 36px}
.bu-split{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.bu-split .bu-section-title{text-align:left}
.bu-features{list-style:none;margin:0;padding:0}
.bu-features li{margin-bottom:16px;padding-left:28px;position:relative}
.bu-features li::before{content:'\2713';position:absolute;left:0;color:var(--bu-gold-dark);font-weight:700}

/* Formation stages */
.bu-stages{list-style:none;margin:0 0 36px;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;counter-reset:stage}
.bu-stage{background:#fff;border:1px solid #e7dfc9;border-top:4px solid var(--bu-gold);border-radius:6px;padding:20px;display:flex;gap:16px;align-items:flex-start}
.bu-stage-num{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--bu-navy);color:var(--bu-gold-light);font-family:var(--bu-serif);font-size:20px;display:flex;align-items:center;justify-content:center}
.bu-stage-title{display:block;font-family:var(--bu-serif);font-size:20px;color:var(--bu-navy)}
.bu-stage-sub{display:block;color:var(--bu-muted);font-size:14px}
.bu-pathway-list li{margin-bottom:10px}

/* Articles / pages */
.bu-page{padding:48px 20px}
.bu-article{background:#fff;border:1px solid #e7dfc9;border-radius:8px;padding:40px;max-width:860px;margin:0 auto}
.bu-article-title{font-family:var(--bu-serif);font-size:36px;color:var(--bu-navy);margin:0 0 20px}
.bu-article-body h2{font-family:var(--bu-serif);color:var(--bu-navy);margin-top:32px}
.bu-article-body h3{color:var(--bu-navy)}
.bu-post-list{display:grid;gap:20px}
.bu-post-card{background:#fff;border:1px solid #e7dfc9;border-radius:6px;padding:24px}
.bu-post-card h2{margin:0 0 8px;font-family:var(--bu-serif)}
.bu-post-card h2 a{color:var(--bu-navy);text-decoration:none}

/* Read-aloud (TTS) */
.bu-tts{display:flex;align-items:center;gap:14px;background:var(--bu-navy);border-radius:8px;padding:12px 18px;margin-bottom:24px;flex-wrap:wrap}
.bu-tts-toggle{display:flex;align-items:center;gap:10px;background:var(--bu-gold);border:0;border-radius:6px;padding:10px 20px;font-size:15px;font-weight:700;color:#1c1c22;cursor:pointer}
.bu-tts-toggle:hover{background:var(--bu-gold-light)}
.bu-tts-toggle[aria-pressed="true"]{background:var(--bu-gold-light)}
.bu-tts-speed{color:#fff;font-size:14px;display:flex;align-items:center;gap:8px}
.bu-tts-speed select{padding:6px 10px;border-radius:4px;border:0;font-size:14px}
.bu-tts-status{color:var(--bu-gold-light);font-size:13px}

/* Application form */
.bu-application{background:#fff;border:1px solid #e7dfc9;border-radius:8px;padding:36px;max-width:860px;margin:0 auto}
.bu-application fieldset{border:1px solid #e7dfc9;border-radius:6px;padding:24px;margin:0 0 24px}
.bu-application legend{font-family:var(--bu-serif);font-size:20px;color:var(--bu-navy);padding:0 10px}
.bu-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:16px}
.bu-application label{display:block;font-size:14px;font-weight:600;color:var(--bu-ink)}
.bu-application label.bu-wide,.bu-wide{grid-column:1/-1}
.bu-application input[type=text],.bu-application input[type=email],.bu-application input[type=tel],.bu-application input[type=date],.bu-application select,.bu-application textarea{width:100%;margin-top:6px;padding:10px 12px;border:1px solid #cfc6a8;border-radius:4px;font-size:15px;font-family:var(--bu-sans);background:#fffdf8}
.bu-application input:focus,.bu-application select:focus,.bu-application textarea:focus{outline:2px solid var(--bu-gold);border-color:var(--bu-gold)}
.bu-form-note{color:var(--bu-muted);font-size:13px;margin-top:10px}
.bu-form-success{background:#fff;border-top:4px solid var(--bu-gold);border-radius:8px;padding:40px;max-width:640px;margin:40px auto;text-align:center}
.bu-form-success h3{font-family:var(--bu-serif);color:var(--bu-navy);font-size:26px}
.bu-notice{background:#fff;border:1px solid #e7dfc9;border-radius:6px;padding:20px;max-width:640px;margin:20px auto}

/* Certificates */
.bu-cert-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;max-width:720px}
.bu-cert-item{background:#fff;border:1px solid #e7dfc9;border-left:5px solid var(--bu-gold);border-radius:6px;padding:16px 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.bu-cert-item strong{font-family:var(--bu-serif);color:var(--bu-navy);flex:1;min-width:200px}
.bu-cert-date{color:var(--bu-muted);font-size:14px}
.bu-cert-print{font-size:14px}

/* Footer */
.bu-footer{background:var(--bu-navy-deep);color:#cfd6ee;margin-top:0}
.bu-footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding:56px 0 32px}
.bu-footer-seal{width:110px;height:auto;margin-bottom:12px}
.bu-footer-name{font-family:var(--bu-serif);font-size:22px;color:#fff;margin:0 0 4px}
.bu-footer-motto{font-style:italic;color:var(--bu-gold);margin:0}
.bu-footer h3{color:#fff;font-size:16px;margin:0 0 12px}
.bu-footer-nav ul{list-style:none;margin:0;padding:0}
.bu-footer-nav li{margin-bottom:8px}
.bu-footer-nav a,.bu-footer-contact a{color:#cfd6ee;text-decoration:none}
.bu-footer-nav a:hover,.bu-footer-contact a:hover{color:var(--bu-gold-light)}
.bu-footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;text-align:center;font-size:13px;color:#9aa3c7}

/* Tutor LMS gentle overrides */
.tutor-course-card{border:1px solid #e7dfc9;border-radius:8px;overflow:hidden}
.bu-tutor-active .tutor-container,.bu-tutor-active .tutor-wrap{max-width:1140px}

/* Responsive */
@media (max-width:900px){
	.bu-split{grid-template-columns:1fr}
	.bu-footer-grid{grid-template-columns:1fr;gap:28px}
	.bu-hero-title{font-size:36px}
}
@media (max-width:760px){
	.bu-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bu-navy-deep);padding:12px 20px;box-shadow:0 8px 20px rgba(0,0,0,.3)}
	.bu-nav.open{display:block}
	.bu-nav ul{flex-direction:column}
	.bu-nav-toggle{display:block}
	.bu-header-inner{position:relative;flex-wrap:wrap}
	.bu-header-cta{margin-left:auto}
	.bu-article{padding:24px}
	.bu-application{padding:20px}
}