/* ===========================
   Office of Sports, AIUB
   main.css (Blue Theme)
   =========================== */

:root{
  --bg: #050d1a;
  --bg2:#061532;

  --text:#eaf2ff;
  --muted: rgba(234,242,255,.72);

  --blue:#2a7bff;
  --blue2:#0b5bff;
  --blue3:#0a3ea8;

  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.14);

  --shadow: 0 18px 52px rgba(0,0,0,.38);
  --shadow2: 0 12px 30px rgba(0,0,0,.30);

  --radius: 18px;
  --radius2: 24px;
  --max: 1180px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 15% 0%, rgba(42,123,255,.22), transparent 55%),
    radial-gradient(900px 600px at 90% 15%, rgba(11,91,255,.16), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.container{
  width:100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px;
}

.center-wrap{ text-align:center; }

/* Headings */
.s-title{
  margin:0;
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 950;
  letter-spacing: .3px;
}
.s-sub{
  margin:10px auto 0;
  max-width: 820px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

/* Sections */
.section-white{
  background:#ffffff;
  color:#0b1730;
  padding: 86px 0;
}
.section-blue{
  background:
    radial-gradient(1000px 560px at 20% 20%, rgba(42,123,255,.18), transparent 58%),
    radial-gradient(900px 520px at 80% 10%, rgba(11,91,255,.16), transparent 60%),
    linear-gradient(135deg, rgba(6,21,50,.96), rgba(5,13,26,.96));
  padding: 92px 0;
  position:relative;
  overflow:hidden;
}

/* Buttons */
.btn, .btn-white, .btn-outline-white, .btn-see{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 900;
  letter-spacing: .2px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  cursor:pointer;
  user-select:none;
  border:1px solid transparent;
}

.btn{
  background: linear-gradient(135deg, var(--blue2), var(--blue));
  color:#fff;
  box-shadow: 0 16px 42px rgba(42,123,255,.18);
}
.btn:hover{ transform: translateY(-1px); box-shadow: var(--shadow2); }

.btn-white{
  background:#fff;
  color:#0b1730;
  border:1px solid rgba(255,255,255,.55);
}
.btn-white:hover{ transform: translateY(-1px); box-shadow: var(--shadow2); }

.btn-outline-white{
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.20);
  color:#fff;
  backdrop-filter: blur(14px);
}
.btn-outline-white:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.32);
}

.btn-see{
  background: rgba(42,123,255,.06);
  border: 1px solid rgba(12,26,47,.16);
  color:#0b1730;
}
.btn-see:hover{ transform: translateY(-1px); box-shadow: 0 10px 22px rgba(0,0,0,.10); }

/* Cards */
.white-card{
  background:#fff;
  border:1px solid rgba(12,26,47,.10);
  border-radius: var(--radius2);
  box-shadow: 0 18px 46px rgba(0,0,0,.10);
}

.hint{
  font-size: 13px;
  line-height: 1.5;
  color: rgba(234,242,255,.72);
}