.summit-hero{position:relative;overflow:hidden;padding:86px 0;color:#fff;background:linear-gradient(100deg,rgba(7,27,48,.97) 0%,rgba(7,27,48,.82) 48%,rgba(7,27,48,.38) 100%),url('../images/generated/bogazici-bulusmasi.jpeg') center/cover}
.summit-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(240px,.65fr);gap:70px;align-items:end}.summit-hero h1{max-width:850px;margin:11px 0 20px;font:700 clamp(2.8rem,5.5vw,5.4rem)/.98 var(--serif)}.summit-lead{max-width:760px;margin:0;color:#d7e0e9;font-size:1.08rem;line-height:1.65}.summit-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.summit-date{padding:27px;border:1px solid rgba(255,255,255,.28);border-top:4px solid var(--gold-500);background:rgba(7,27,48,.64);backdrop-filter:blur(10px)}.summit-date strong,.summit-date span,.summit-date small{display:block}.summit-date strong{color:var(--gold-300);font:3.5rem/.95 var(--serif)}.summit-date span{margin-top:8px;font:1.3rem var(--serif)}.summit-date small{margin-top:18px;color:#cbd7e2;font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.summit-intro{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:58px;align-items:center}.summit-intro h2,.summit-heading h2,.summit-participants h2,.summit-program h2,.summit-cta h2{margin:8px 0 18px;color:var(--navy-950);font:700 clamp(2rem,3.3vw,3.2rem)/1.08 var(--serif)}.summit-intro-copy>p:not(.eyebrow),.summit-participants>div>p:not(.eyebrow){color:var(--muted);font-size:1rem;line-height:1.65}.summit-feature{position:relative;margin:0;min-height:390px;overflow:hidden}.summit-feature img{width:100%;height:100%;min-height:390px;display:block;object-fit:cover}.summit-feature figcaption{position:absolute;right:16px;bottom:16px;left:16px;padding:10px 13px;color:#fff;background:rgba(7,27,48,.8);font-size:.72rem}
.summit-themes{background:#f1f3f5}.summit-heading{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:30px}.summit-heading>p{max-width:580px;margin:0;color:var(--muted);font-size:1rem;line-height:1.65}.summit-theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.summit-theme-grid article{padding:26px;border-top:3px solid var(--navy-900);background:#fff}.summit-theme-grid span{color:var(--red-700);font-size:.7rem;font-weight:900}.summit-theme-grid h3{margin:22px 0 10px;color:var(--navy-950);font:1.3rem var(--serif)}.summit-theme-grid p{margin:0;color:var(--muted);font-size:1rem;line-height:1.6}
.summit-participants{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:start}.summit-participants ul{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.summit-participants li{display:grid;grid-template-columns:210px 1fr;gap:22px;padding:18px 4px;border-bottom:1px solid var(--line)}.summit-participants strong{color:var(--navy-950);font:1.05rem/1.35 var(--serif)}.summit-participants span{color:var(--muted);font-size:1rem;line-height:1.6}
.summit-gallery{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:6px;padding:0 6px}.summit-gallery figure{position:relative;height:340px;margin:0;overflow:hidden;background:#dce3e9}.summit-gallery img{width:100%;height:100%;object-fit:cover}.summit-gallery figcaption{position:absolute;right:12px;bottom:12px;left:12px;padding:9px 11px;color:#fff;background:rgba(7,27,48,.76);font-size:.68rem}
.summit-program{color:#fff;background:var(--navy-950)}.summit-program-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.summit-program h2{color:#fff}.summit-program-grid>div>p:not(.eyebrow){color:#cbd7e2;font-size:1rem;line-height:1.65}.summit-program ol{margin:0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.18)}.summit-program li{display:grid;grid-template-columns:42px 1fr;gap:17px;padding:17px 4px;border-bottom:1px solid rgba(255,255,255,.18)}.summit-program li>span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:var(--navy-950);background:var(--gold-300);font-size:.66rem;font-weight:900}.summit-program strong{font:1.1rem var(--serif)}.summit-program li p{margin:5px 0 0;color:#cbd7e2;font-size:1rem;line-height:1.55}
.summit-cta{display:flex;align-items:center;justify-content:space-between;gap:50px}.summit-cta h2{margin-bottom:8px}.summit-cta p:not(.eyebrow){margin:0;color:var(--muted);font-size:1rem}.summit-cta .button{flex:0 0 auto}
@media(max-width:900px){.summit-hero-grid,.summit-intro,.summit-participants,.summit-program-grid{grid-template-columns:1fr}.summit-theme-grid{grid-template-columns:1fr 1fr}.summit-heading{align-items:flex-start;flex-direction:column}.summit-gallery{grid-template-columns:1fr 1fr}.summit-gallery figure:first-child{grid-column:1/-1}.summit-date{max-width:360px}.summit-cta{align-items:flex-start;flex-direction:column}}
@media(max-width:580px){.summit-hero{padding:58px 0}.summit-theme-grid,.summit-gallery{grid-template-columns:1fr}.summit-gallery figure:first-child{grid-column:auto}.summit-gallery figure{height:260px}.summit-participants li{grid-template-columns:1fr;gap:5px}.summit-feature,.summit-feature img{min-height:260px}.summit-cta .button{width:100%}}