:root{
  --bg:#0a1428;
  --accent:#d4a574;
  --accent-2:#4a90e2;
  --muted:#c9d9e8;
  --card:#1a2f5a;
  --gold:#d4a574;
  --cream:#f5f1e8;
}

*{box-sizing:border-box}
body {
    margin: 0;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-image: url('/static/images/chess-bg.svg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: #e8ecf5;
    -webkit-font-smoothing:antialiased;
    letter-spacing: 0.3px;
}

/* Prominent top navigation */
.top-nav {
  background: linear-gradient(90deg, #d4a574 0%, #4a90e2 100%);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  justify-content: space-between;
  box-shadow: 0 12px 50px rgba(212, 165, 116, 0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 4px solid rgba(244, 241, 232, 0.2);
}

.top-nav .brand {
  color: white;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.nav-links { display:flex; gap:1rem; align-items:center; margin-left:1.5rem }
.nav-links a { color: rgba(255,255,255,0.98); text-decoration:none; font-weight:700; padding:0.6rem 1.1rem; border-radius:8px; background: rgba(255,255,255,0.1); transition:all .15s ease; text-transform:uppercase; letter-spacing:0.8px; border: 2px solid transparent }
.nav-links a:hover { transform:translateY(-4px); box-shadow: 0 12px 30px rgba(10,20,40,0.35); color:white; background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.4) }

.nav-right { display:flex; gap:1rem; align-items:center; margin-left:auto }

.lang-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.lang-btn {
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  border: 2px solid rgba(212, 165, 116, 0.4);
  background: rgba(74, 144, 226, 0.15);
  color: white;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s ease;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-btn:hover {
  border-color: rgba(212, 165, 116, 0.7);
  background: rgba(74, 144, 226, 0.3);
}

.lang-btn.active {
  background: #4a90e2;
  border-color: #d4a574;
  box-shadow: 0 0 15px rgba(212, 165, 116, 0.3);
}

.flag {
  font-size: 1.2rem;
  line-height: 1;
}

.cta { 
  padding:0.65rem 1.15rem; 
  border-radius:10px; 
  background: #4a90e2; 
  color:white; 
  font-weight:800; 
  text-decoration:none; 
  box-shadow:0 10px 30px rgba(74, 144, 226, 0.4); 
  transition: all .15s ease; 
  text-transform: uppercase; 
  letter-spacing: 0.6px; 
  border: 2px solid #4a90e2;
  display: inline-block;
}
.cta:hover { 
  transform:translateY(-3px); 
  box-shadow:0 14px 40px rgba(74, 144, 226, 0.6); 
  background: #5a9eea;
}

.container { max-width:1100px; margin:0 auto; padding:1.25rem }

.hero {
    display:grid;
    grid-template-columns: 1.5fr 1fr;
    gap:3rem;
    align-items:start;
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.25) 0%, rgba(74, 144, 226, 0.15) 50%, rgba(212, 165, 116, 0.1) 100%);
    padding:3.5rem 3rem;
    border-radius:24px;
    border: 3px solid rgba(212, 165, 116, 0.4);
    box-shadow: 0 30px 100px rgba(212, 165, 116, 0.25), inset 0 1px 0 rgba(255,255,255,0.1);
    position: relative;
    overflow: visible;
    backdrop-filter: blur(10px);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero .lead { 
    flex:1;
    position: relative;
    z-index: 1;
}

.hero h1 { 
    margin:0 0 1rem 0; 
    font-size:2.8rem; 
    color: #f5f1e8; 
    font-weight: 900; 
    letter-spacing: 1px;
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.hero p { 
    margin:0 0 2rem 0; 
    color:var(--muted); 
    font-size: 1.15rem; 
    line-height: 1.7;
}

.hero img { 
    width:100%; 
    height:auto;
    border-radius:20px; 
    box-shadow: 0 30px 80px rgba(212, 165, 116, 0.4), 0 0 40px rgba(212, 165, 116, 0.2); 
    border: 4px solid var(--gold);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 2;
    display: block;
}

.hero img:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 40px 100px rgba(212, 165, 116, 0.5), 0 0 60px rgba(212, 165, 116, 0.3);
}

form.register { background: linear-gradient(135deg, rgba(212, 165, 116, 0.15), rgba(74, 144, 226, 0.1)); padding:2rem; border-radius:16px; display:flex; flex-direction:column; gap:0.9rem; width:100%; border: 2px solid rgba(212, 165, 116, 0.3); box-shadow: 0 20px 60px rgba(212, 165, 116, 0.15); backdrop-filter: blur(5px) }
form.register label{ font-size:0.95rem; color: var(--cream); font-weight: 700; letter-spacing: 0.5px; margin-top: 0.3rem }
form.register input{ padding:1rem; border-radius:10px; border:2px solid rgba(212, 165, 116, 0.3); background: rgba(255,255,255, 0.08); color:inherit; font-size: 1rem; transition: all .2s ease }
form.register input::placeholder { color: rgba(255,255,255, 0.4) }
form.register input:focus{ outline:none; box-shadow:0 0 0 4px rgba(212, 165, 116, 0.3); border-color: var(--gold); background: rgba(255,255,255, 0.12) }
form.register button{ 
  padding:1.1rem; 
  border-radius:12px; 
  border:2px solid #d4a574;
  cursor:pointer; 
  background: #d4a574;
  color:#0a1428; 
  font-weight:800; 
  letter-spacing: 0.7px; 
  text-transform: uppercase; 
  transition: all .3s ease; 
  box-shadow: 0 12px 35px rgba(212, 165, 116, 0.4); 
  margin-top: 0.5rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
form.register button:hover{ 
  transform: translateY(-4px); 
  box-shadow: 0 18px 50px rgba(212, 165, 116, 0.6);
  background: #e8bb7f;
}

.section-cards{ display:grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap:1.2rem; margin-top:1.5rem }
.card{ background: linear-gradient(180deg, rgba(74, 144, 226, 0.1), rgba(212, 165, 116, 0.05)); padding:1.5rem; border-radius:12px; border: 2px solid rgba(212, 165, 116, 0.15); transition: all .25s ease; box-shadow: 0 10px 30px rgba(10, 20, 40, 0.3) }
.card:hover{ transform: translateY(-6px); box-shadow: 0 20px 50px rgba(212, 165, 116, 0.25); border-color: var(--gold) }
.card h3{ margin:0 0 0.7rem 0; color: var(--cream); font-size: 1.1rem }
.card p{ margin:0; color:var(--muted); line-height: 1.5 }

.gallery-grid{ display:grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap:1rem; margin-top:1.5rem }
.gallery-grid img{ width:100%; border-radius:12px; display:block; border: 2px solid rgba(212, 165, 116, 0.2); transition: all .25s ease }
.gallery-grid img:hover{ transform: scale(1.05); box-shadow: 0 15px 45px rgba(212, 165, 116, 0.25); border-color: var(--gold) }

footer{ margin-top:2rem; text-align:center; color:var(--muted); padding: 1.5rem; border-top: 2px solid rgba(212, 165, 116, 0.1) }

/* Sponsors */
.sponsors { background: linear-gradient(135deg, rgba(212, 165, 116, 0.1), rgba(74, 144, 226, 0.05)); padding:1.5rem; border-radius:12px; border: 2px solid rgba(212, 165, 116, 0.15) }
.sponsors h2{ color: var(--cream); font-size: 1.4rem; margin: 0 0 1rem 0 }
.sponsor-list { display:flex; gap:1.2rem; align-items:center; justify-content:center; flex-wrap:wrap; margin-top:1rem }
.sponsor { background: linear-gradient(135deg, rgba(212, 165, 116, 0.15), rgba(74, 144, 226, 0.08)); color:var(--cream); padding:1rem 1.5rem; border-radius:10px; min-width:140px; text-align:center; font-weight:700; border: 2px solid rgba(212, 165, 116, 0.2); transition: all .2s ease; box-shadow: 0 8px 20px rgba(10, 20, 40, 0.3) }
.sponsor:hover{ transform: translateY(-4px); border-color: var(--gold); box-shadow: 0 12px 35px rgba(212, 165, 116, 0.25) }

/* Director */
.director { background: linear-gradient(135deg, rgba(212, 165, 116, 0.08), rgba(74, 144, 226, 0.05)); padding: 1.5rem; border-radius: 12px; border: 2px solid rgba(212, 165, 116, 0.15) }
.director h2{ color: var(--cream); font-size: 1.4rem; margin: 0 0 1.5rem 0 }
.director-card { display:flex; gap:1.5rem; align-items:center; background: linear-gradient(135deg, rgba(74, 144, 226, 0.08), rgba(212, 165, 116, 0.05)); padding:1.5rem; border-radius:12px; border: 2px solid rgba(212, 165, 116, 0.15); box-shadow: 0 12px 40px rgba(10, 20, 40, 0.3) }
.director-card img { width:110px; height:110px; object-fit:cover; border-radius:14px; box-shadow: 0 10px 30px rgba(212, 165, 116, 0.35); border: 3px solid var(--gold) }
.director-info h3{ margin:0 0 0.4rem 0; color: var(--cream); font-size: 1.2rem }
.director-info p{ margin:0 0 0.6rem 0; color:var(--muted); line-height: 1.5; font-size: 0.95rem }
.director-info a{ color:var(--gold); font-weight:700; text-decoration:none; transition: all .2s ease; text-transform: uppercase; letter-spacing: 0.4px }
.director-info a:hover{ color: var(--cream); text-decoration: underline }

@media (max-width:800px){
  .hero{
    display:grid;
    grid-template-columns: 1fr;
    gap:2rem;
    align-items:stretch;
    padding: 2rem 1.5rem;
  }
  
  .hero .lead { margin-bottom: 1rem }
  
  .hero h1 { font-size: 2rem; margin: 0 0 0.8rem 0 }
  
  .hero p { font-size: 1rem; margin: 0 0 1.5rem 0 }
  
  .section-cards { grid-template-columns: 1fr; gap: 0.8rem; margin-top: 1rem }
  
  .card { padding: 1.2rem }
  
  .card h3 { font-size: 1rem }
  
  .card p { font-size: 0.95rem }
  
  form.register {
    width: 100%;
    padding: 1.5rem;
    gap: 0.8rem;
  }
  
  form.register label { font-size: 0.9rem }
  
  form.register input { padding: 0.9rem; font-size: 1rem }
  
  form.register button { 
    padding: 1rem !important; 
    font-size: 0.95rem !important;
    background: #d4a574 !important;
    color: #0a1428 !important;
    border: 2px solid #d4a574 !important;
  }
  
  .director-card { flex-direction: column; align-items: flex-start; padding: 1.2rem }
  
  .director-card img { width: 100%; height: auto; max-height: 200px; object-fit: cover }
  
  .top-nav { 
    padding: 0.8rem 1rem; 
    gap: 0.8rem;
    flex-wrap: wrap;
  }
  
  .top-nav .brand { font-size: 1.1rem }
  
  .nav-links { 
    margin-left: 0;
    gap: 0.5rem;
    flex-wrap: wrap;
    order: 3;
    flex-basis: 100%;
  }
  
  .nav-links a { 
    padding: 0.5rem 0.8rem; 
    font-size: 0.85rem;
  }
  
  .nav-right {
    margin-left: 0;
    gap: 0.5rem;
  }
  
  .lang-buttons {
    gap: 0.3rem;
  }
  
  .lang-btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.8rem;
  }
  
  .flag {
    font-size: 1rem;
  }
  
  .cta { padding: 0.6rem 1rem; font-size: 0.9rem }
  
  .container { padding: 0.75rem }
  
  .sponsors { padding: 1.2rem }
  
  .sponsor-list { gap: 0.8rem }
  
  .sponsor { 
    min-width: auto;
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
    flex: 1;
    min-width: 100px;
  }
  
  .director { padding: 1.2rem }
  
  .gallery-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.8rem }
}

/* Flash & Alert Messages */
.alert{padding:1rem 1.25rem;border-radius:10px;margin:0.75rem 0;font-weight:600;display:flex;align-items:center;gap:0.75rem; border-left: 5px solid }
.alert.success{background: rgba(107,255,107,0.12);color:#9fff99;border-left-color:#6bff6b}
.alert.error{background: rgba(255,107,107,0.12);color:#ff9999;border-left-color:#ff6b6b}
.alert.info{background: rgba(74, 144, 226, 0.15);color:#7aacff;border-left-color:#4a90e2}

/* Extra small devices */
@media (max-width:500px){
  body { font-size: 14px }
  
  .hero h1 { font-size: 1.6rem }
  
  .hero p { font-size: 0.95rem }
  
  .top-nav { padding: 0.6rem 0.8rem }
  
  .nav-links a { padding: 0.4rem 0.6rem; font-size: 0.8rem }
  
  .section-cards { gap: 0.6rem }
  
  .card { padding: 1rem }
  
  form.register { padding: 1.2rem; gap: 0.7rem }
  
  form.register input { padding: 0.8rem; font-size: 16px }
  
  form.register button { 
    padding: 0.9rem !important; 
    font-size: 0.9rem !important;
    background: #d4a574 !important;
    color: #0a1428 !important;
    border: 2px solid #d4a574 !important;
  }
  
  .sponsor { min-width: 80px; padding: 0.7rem 0.9rem; font-size: 0.85rem }
}