*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:Poppins, Arial, sans-serif;
  background:#f4f6fb;
  color:#1d2c65;
}

/* =====================
   HERO
===================== */
.hero{
  background:#1d2c65;
  padding:40px 20px 30px;
  text-align:center;
}

.logo{
  font-size:clamp(30px,7vw,58px);
  font-weight:600;
  letter-spacing:4px;
  text-decoration:none;
}

.letter{
  display:inline-block;
  opacity:1;
  color:#fff;
  transition:.4s ease;
}

.o-start{ color:#e63946; }
.x-end{ color:#3a86ff; }

/* HERO ACTIONS */
.hero-actions{
  margin-top:25px;
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}

.event-box{
  background:#fff;
  color:#1d2c65;
  padding:10px 14px;
  border-radius:10px;
  font-size:13px;
  box-shadow:0 6px 16px rgba(0,0,0,.15);
}

.program-box{
  background:#e63946;
  color:#fff;
  padding:10px 16px;
  border-radius:10px;
  font-size:14px;
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:8px;
}

/* =====================
   ANA GRID (3'LÜ)
===================== */
.ody-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  max-width:1150px;
  margin:40px auto;
  padding:0 20px;
}

@media(max-width:900px){
  .ody-grid{ grid-template-columns:repeat(2,1fr); }
}
@media(max-width:520px){
  .ody-grid{ grid-template-columns:1fr; }
}

/* =====================
   ANA KARTLAR – REVİZE
===================== */
.ody-card{
  background:#1d2c65;
  color:#fff;
  border-radius:16px;
  padding:26px 22px;
  text-align:center;
  text-decoration:none;
  box-shadow:0 10px 26px rgba(29,44,101,.30);
  transition:all .25s ease;
  border:2px solid transparent;
}

/* İKONLAR – BÜYÜTÜLDÜ */
.ody-card i{
  font-size:40px;
  margin-bottom:14px;
  color:#fff;
  transition:color .25s ease;
}

/* BAŞLIK */
.ody-card h3{
  font-size:17px;
  letter-spacing:1px;
  margin-bottom:8px;
}

/* AÇIKLAMA */
.ody-card p{
  font-size:14.5px;
  opacity:.9;
  line-height:1.45;
}

/* HOVER: BEYAZ + ÇERÇEVE */
.ody-card:hover{
  background:#fff;
  color:#1d2c65;
  border:2px solid #1d2c65;
  transform:translateY(-6px);
}

.ody-card:hover i{
  color:#1d2c65;
}

/* PASİF */
.ody-card.passive{
  opacity:.5;
  pointer-events:none;
}

/* =====================
   MINI LINKS (ALT KUTULAR)
===================== */
.mini-links{
  max-width:1150px;
  margin:20px auto 40px;
  padding:0 20px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

@media(max-width:800px){
  .mini-links{ grid-template-columns:repeat(2,1fr); }
}
@media(max-width:500px){
  .mini-links{ grid-template-columns:1fr; }
}

.mini-box{
  background:#fff;
  border-radius:10px;
  padding:14px 18px;
  text-decoration:none;
  color:#1d2c65;
  box-shadow:0 6px 14px rgba(0,0,0,.1);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  font-size:14.5px;
  transition:.2s ease;
}

.mini-box i{
  color:#e63946;
  font-size:17px;
}

.mini-box:hover{
  transform:translateY(-3px);
}

/* =====================
   FOOTER
===================== */
.footer{
  background:#1d2c65;
  color:#fff;
  padding:40px 20px;
}

.footer-grid{
  max-width:1150px;
  margin:auto;
  display:grid;
  grid-template-columns:1fr 1.2fr 1fr;
  gap:30px;
  align-items:center;
}

@media(max-width:900px){
  .footer-grid{
    grid-template-columns:1fr;
    text-align:center;
  }
}

.accredit-box{
  background:#f2f2f2;
  color:#000;
  padding:16px;
  border-left:4px solid #e63946;
  border-radius:6px;
  font-size:14px;
}

.socials{
  display:flex;
  gap:12px;
  justify-content:flex-end;
}

@media(max-width:900px){
  .socials{ justify-content:center; }
}

.socials a{
  background:rgba(255,255,255,.15);
  color:#fff;
  padding:10px;
  border-radius:6px;
  font-size:16px;
  transition:.2s;
}

.socials a:hover{
  background:#e63946;
}

.event-box{
  display:flex;
  align-items:center;
  gap:10px;
}

.event-content{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:220px;
  text-align:center;
}

.nav-btn{
  background:#1d2c65;
  color:#fff;
  border:none;
  border-radius:6px;
  padding:6px 10px;
  cursor:pointer;
  font-size:14px;
}

.nav-btn:hover{
  background:#e63946;
}