/* Global base */
*{box-sizing:border-box;margin:0;padding:0}

::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(99,102,241,0.3); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:rgba(99,102,241,0.5); }

::selection { background:rgba(99,102,241,0.3); color:#E2E8F0; }

* { -webkit-tap-highlight-color: transparent; }
html, body { overflow-x: hidden; }

#onboarding{position:fixed;inset:0;z-index:10000;font-family:'Geist',sans-serif;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column}
#onboarding.hidden{display:none}

/* Arka plan */
.ob-bg{position:absolute;inset:0;background:#080B10;z-index:0}
.ob-bg::before{content:'';position:absolute;width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,0.07) 0%,transparent 70%);top:-200px;left:-100px;pointer-events:none}
.ob-bg::after{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,0.05) 0%,transparent 70%);bottom:-100px;right:-100px;pointer-events:none}
.ob-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.015) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}

/* Layout */
.ob-wrap{position:relative;z-index:1;display:flex;flex:1;overflow:hidden}
.ob-left{display:flex;flex-direction:column;justify-content:center;padding:3rem 4rem;width:55%;flex-shrink:0}
.ob-right{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;position:relative}

/* Nav */
.ob-nav{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:1.25rem 3rem;border-bottom:1px solid rgba(255,255,255,0.05)}

/* Tipografi */
.ob-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(99,102,241,0.1);border:0.5px solid rgba(99,102,241,0.2);border-radius:50px;padding:4px 12px;margin-bottom:1.25rem}
.ob-headline{font-size:46px;font-weight:800;color:#fff;line-height:1.08;letter-spacing:-0.035em;margin:0 0 1.25rem}
.ob-headline em{font-style:italic;background:linear-gradient(135deg,#818cf8,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ob-sub{font-size:15px;color:#64748b;line-height:1.7;margin:0 0 2rem;max-width:440px}

/* Feature list */
.ob-features{display:flex;flex-direction:column;gap:10px;margin-bottom:2rem}
.ob-feat{display:flex;align-items:center;gap:12px;font-size:13px;color:#64748b}
.ob-feat-icon{width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.ob-feat:nth-child(1) .ob-feat-icon{background:rgba(129,140,248,0.1)}
.ob-feat:nth-child(2) .ob-feat-icon{background:rgba(16,163,127,0.1)}
.ob-feat:nth-child(3) .ob-feat-icon{background:rgba(245,158,11,0.1)}

/* Login kartı */
.ob-card{width:380px;background:rgba(13,15,20,0.95);border:0.5px solid rgba(255,255,255,0.08);border-radius:24px;padding:2.5rem;backdrop-filter:blur(24px);box-shadow:0 40px 100px rgba(0,0,0,0.6),0 0 0 0.5px rgba(255,255,255,0.04)}
.ob-card-title{font-size:22px;font-weight:700;color:#fff;letter-spacing:-0.02em;margin:0 0 6px;text-align:center}
.ob-card-sub{font-size:13px;color:#475569;text-align:center;line-height:1.5;margin:0 0 2rem}
.ob-google-btn{width:100%;padding:14px 20px;background:#fff;border:none;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:12px;font-size:15px;font-weight:600;color:#0f172a;cursor:pointer;font-family:'Geist',sans-serif;transition:all 0.2s;box-shadow:0 2px 20px rgba(255,255,255,0.08),0 0 0 1px rgba(255,255,255,0.06)}
.ob-google-btn:hover{transform:translateY(-1px);box-shadow:0 4px 28px rgba(255,255,255,0.12),0 0 0 1px rgba(255,255,255,0.1)}
.ob-divider{display:flex;align-items:center;gap:12px;margin:1.5rem 0}
.ob-divider::before,.ob-divider::after{content:'';flex:1;height:1px;background:rgba(255,255,255,0.06)}
.ob-divider span{font-size:11px;color:#334155}
.ob-trust{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:1.5rem}
.ob-trust-item{padding:8px 10px;background:rgba(255,255,255,0.02);border:0.5px solid rgba(255,255,255,0.05);border-radius:8px;display:flex;align-items:center;gap:7px;font-size:11px;color:#475569}
.ob-trust-item span{font-size:14px}
.ob-terms-txt{font-size:11px;color:#1e293b;text-align:center;line-height:1.6}
.ob-terms-txt a{color:#6366f1;text-decoration:none}

/* Animasyonlar */
@keyframes ob-fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes ob-fadeIn{from{opacity:0}to{opacity:1}}
@keyframes ob-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.ob-badge{animation:ob-fadeUp 0.5s ease 0s both}
.ob-headline{animation:ob-fadeUp 0.5s ease 0.1s both}
.ob-sub{animation:ob-fadeUp 0.5s ease 0.15s both}
.ob-features{animation:ob-fadeUp 0.5s ease 0.2s both}
.ob-card{animation:ob-fadeUp 0.6s cubic-bezier(0.16,1,0.3,1) 0.2s both}

@media(max-width:900px){
  .ob-right{display:flex;width:100%;padding:1rem 1.25rem;justify-content:center}
  .ob-left{width:100%;padding:1.25rem;box-sizing:border-box}
  .ob-headline{font-size:28px}
  .ob-wrap{flex-direction:column;overflow:hidden}
  .ob-sub{font-size:13px}
  .ob-features div{white-space:normal;overflow:hidden;text-overflow:ellipsis}
  .ob-card{width:100%;max-width:100%;box-sizing:border-box}
  .onboarding{overflow-x:hidden}
}
@media(max-width:480px){
  .ob-headline{font-size:24px;line-height:1.1}
  .ob-left{padding:1rem}
  .ob-right{padding:1rem}
  .ob-card{padding:1.25rem}
  .ob-features span{display:none}
}