/* ── RESET & BASE ── */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Merriweather',Georgia,serif;background:#fff;color:#384856;line-height:1.7;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4{font-family:'Alfa Slab One',serif;font-weight:400;line-height:1.2;color:#1C3D5A}
p{margin-bottom:1rem}
/* ── HEADER ── */
.header{background:#fff;border-bottom:1px solid #e5e5e5;position:sticky;top:0;z-index:200}
.header-top-row{max-width:1260px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{width:200px;display:block}
.logo span{font-family:'Alfa Slab One',serif;font-size:1.1rem;color:#173b57}
.signup-btn{border:2px solid #000;border-radius:50px;color:#000!important;padding:8px 20px;font-size:14px;font-family:'Merriweather',serif;white-space:nowrap;text-decoration:none;transition:all .2s;display:inline-block}
.signup-btn:hover{background:#000;color:#fff!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{display:block;width:24px;height:2px;background:#000;border-radius:1px}
.nav-row{border-top:1px solid #e5e5e5;background:#fff}
.nav-links{max-width:1260px;margin:0 auto;padding:0 16px;display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:0}
.nav-links a{color:#000;font-size:14px;padding:9px 13px;font-family:'Merriweather',serif;font-weight:400;white-space:nowrap;border-bottom:2px solid transparent;display:block;text-decoration:none}
.nav-links a:hover,.nav-links a.active{border-bottom-color:#000}
.mobile-nav{display:none;background:#fff;border-top:1px solid #e5e5e5}
.mobile-nav a{display:block;padding:12px 24px;color:#000;font-size:15px;border-bottom:1px solid #f0f0f0;font-family:'Merriweather',serif;text-decoration:none}
@media(max-width:900px){.nav-row{display:none}.hamburger{display:flex}}
.slide-player{background:#1a1a1a;border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.12);margin:0 0 32px 0;user-select:none;}
.slide-stage{position:relative;background:#111;display:flex;align-items:center;justify-content:center;min-height:300px;}
.slide-stage img{max-width:100%;max-height:70vh;display:block;margin:0 auto;object-fit:contain;cursor:pointer;}
.slide-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.15);border:2px solid rgba(255,255,255,0.3);color:white;font-size:1.6rem;width:48px;height:48px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.2s;z-index:10;backdrop-filter:blur(4px);}
.slide-arrow:hover{background:rgba(255,255,255,0.35);}.slide-arrow.prev{left:14px;}.slide-arrow.next{right:14px;}
.slide-arrow:disabled{opacity:0.2;cursor:default;}
.slide-controls{background:#222;padding:12px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.slide-counter{color:#aaa;font-size:0.82rem;font-family:monospace;min-width:80px;}
.slide-progress-track{flex:1;height:4px;background:#444;border-radius:4px;cursor:pointer;min-width:80px;}
.slide-progress-fill{height:100%;background:#173b57;border-radius:4px;transition:width 0.2s;}
.slide-text-panel{background:white;border-top:3px solid #FBEACF;padding:18px 20px;font-size:0.9rem;color:#43505c;line-height:1.6;min-height:60px;}
.slide-jump{background:#333;color:#ccc;border:1px solid #555;border-radius:4px;padding:4px 8px;font-size:0.8rem;cursor:pointer;width:60px;text-align:center;}
.kb-hint{color:#666;font-size:0.72rem;margin-left:auto;white-space:nowrap;}
@media(max-width:500px){.kb-hint{display:none;}.slide-arrow{width:38px;height:38px;font-size:1.2rem;}}