:root{
  --mavi:#1F9FDB; --mavi-koyu:#1577AE; --lacivert:#173F5F;
  --mor:#8B5CF6; --yesil:#79B94C; --turuncu:#F6963E;
  --sari:#FBC531; --mercan:#EE6C4D;
  --krem:#FFF8EE; --beyaz:#FFFFFF; --metin:#4E4A57; --metin-acik:#7B7688;
  --golge:0 14px 40px rgba(23,63,95,.10);
  --golge-sm:0 6px 18px rgba(23,63,95,.08);
  --r:26px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Nunito',sans-serif;color:var(--metin);
  background:var(--krem);line-height:1.6;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.disp{font-family:'Fredoka',sans-serif;font-weight:600;color:var(--lacivert);line-height:1.12;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---- dekoratif motifler ---- */
.deco{position:absolute;pointer-events:none;z-index:0;opacity:.9}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(var(--rot,0deg))}50%{transform:translateY(-16px) rotate(var(--rot,0deg))}}
@keyframes drift{0%{transform:translateX(0)}100%{transform:translateX(30px)}}
.float{animation:floaty 6s ease-in-out infinite}
.float.d1{animation-delay:.8s}.float.d2{animation-delay:1.6s}.float.d3{animation-delay:2.4s}

/* ---- NAV ---- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,248,238,.82);backdrop-filter:blur(12px);border-bottom:2px solid rgba(31,159,219,.12)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav-logo{height:42px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{font-weight:700;font-size:.95rem;color:var(--lacivert);padding:9px 15px;border-radius:40px;transition:.2s}
.nav-links a:hover{background:rgba(31,159,219,.12);color:var(--mavi-koyu)}
.nav-cta{background:var(--mor)!important;color:#fff!important;box-shadow:0 6px 16px rgba(139,92,246,.35)}
.nav-cta:hover{background:#7A46E8!important;color:#fff!important;transform:translateY(-1px)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:3px;background:var(--lacivert);border-radius:3px;margin:5px 0;transition:.3s}

/* ---- HERO ---- */
.hero{position:relative;padding:56px 0 90px;overflow:hidden;background:
  radial-gradient(1100px 520px at 82% -8%, rgba(251,197,49,.16), transparent 60%),
  radial-gradient(900px 500px at 8% 12%, rgba(31,159,219,.12), transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;position:relative;z-index:2}
.hero-logo{width:min(400px,78%);margin-bottom:22px;filter:drop-shadow(0 12px 28px rgba(31,159,219,.18))}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);margin-bottom:18px}
.hero h1 .hl{color:var(--mavi)}
.hero h1 .hl2{color:var(--turuncu)}
.hero h1 .hl3{color:var(--mor)}
.hero p.lead{font-size:1.18rem;color:var(--metin);max-width:520px;margin-bottom:26px;font-weight:600}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Fredoka';font-weight:600;font-size:1.05rem;padding:15px 30px;border-radius:50px;cursor:pointer;border:none;transition:.22s}
.btn-primary{background:var(--mavi);color:#fff;box-shadow:0 10px 24px rgba(31,159,219,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(31,159,219,.42)}
.btn-ghost{background:#fff;color:var(--lacivert);box-shadow:var(--golge-sm)}
.btn-ghost:hover{transform:translateY(-3px)}
.trust-pill{display:inline-flex;align-items:center;gap:12px;background:#fff;border-radius:50px;padding:11px 22px 11px 14px;box-shadow:var(--golge-sm);font-weight:800;color:var(--lacivert);border:2px solid rgba(121,185,76,.25)}
.trust-pill .ic{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--yesil),#5FA038);display:grid;place-items:center;color:#fff;font-size:1.1rem;flex:none}
.trust-pill small{display:block;font-weight:700;font-size:.72rem;color:var(--metin-acik);letter-spacing:.02em}

/* ---- CİHAZ MOCKUP (hero sağ) ---- */
.device-stage{position:relative;display:grid;place-items:center;min-height:640px}
.tablet{width:min(430px,100%);background:#1c2b3a;border-radius:32px;padding:13px;box-shadow:0 30px 60px rgba(23,63,95,.28);position:relative;z-index:2}
.tablet .screen{background:#fff;border-radius:21px;overflow:hidden}
.app-top{background:linear-gradient(120deg,#fff, #fbfcff);padding:15px 15px 6px;display:flex;align-items:center;justify-content:space-between}
.app-logo{height:26px;width:auto}
.app-brand{display:flex;align-items:center;gap:8px;font-family:'Fredoka';font-weight:700;color:var(--mavi);font-size:.98rem}
.app-brand .bot{width:26px;height:26px;border-radius:50%;background:var(--mavi);position:relative;display:grid;place-items:center}
.app-brand .bot::before{content:"";position:absolute;top:-6px;width:4px;height:8px;background:var(--lacivert);border-radius:3px}
.app-brand .bot i{width:13px;height:13px;background:#fff;border-radius:50%;display:block}
.app-ava{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#8FD3F4,#F6963E)}
.app-hi{padding:5px 15px 8px}
.app-hi b{font-family:'Fredoka';color:var(--lacivert);font-size:1rem}
.app-hi span{font-size:.75rem;color:var(--metin-acik)}
.app-sub{font-family:'Fredoka';font-weight:600;font-size:.82rem;color:var(--lacivert);padding:0 15px 8px}
.app-row{display:flex;gap:8px;padding:0 15px 14px}
.app-card{flex:1;min-width:0;border-radius:13px;aspect-ratio:3/4;position:relative;overflow:hidden;display:flex;align-items:flex-end;box-shadow:0 6px 14px rgba(0,0,0,.14)}
.app-card img{width:100%;height:100%;object-fit:cover;display:block}
.app-card.grad{padding:8px;color:#fff;font-family:'Fredoka';font-size:.64rem;font-weight:600}
.app-card.grad .tt{position:relative;z-index:2;line-height:1.1;text-shadow:0 1px 3px rgba(0,0,0,.4)}
.app-card .em{position:absolute;top:6px;left:8px;font-size:1.35rem;z-index:2;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}
.app-nav{display:flex;justify-content:space-around;align-items:center;padding:11px 8px;background:var(--mor);margin:0 10px 10px;border-radius:18px}
.app-nav i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.55)}
.app-nav i.on{background:#fff;transform:scale(1.5)}
.phone{position:absolute;right:-18px;bottom:-22px;width:120px;background:#1c2b3a;border-radius:24px;padding:8px;box-shadow:0 22px 44px rgba(23,63,95,.34);z-index:3}
.phone .screen{border-radius:18px;background:#fff;overflow:hidden;}
.phone .p-hero{aspect-ratio:9/12;position:relative;overflow:hidden;background:linear-gradient(150deg,#6FB7E0,#2E7CB5);display:grid;place-items:center}
.phone .p-hero .em{font-size:2.2rem;filter:drop-shadow(0 3px 4px rgba(0,0,0,.25))}
.phone .p-t{font-family:'Fredoka';font-size:.6rem;text-align:center;color:var(--lacivert);padding:6px 6px 0;font-weight:600}
.phone .p-b{display:flex;gap:4px;justify-content:center;padding:6px}
.phone .p-b i{width:22px;height:5px;border-radius:4px;background:#eee}
.phone .p-b i.on{background:var(--mavi);width:13px}

/* ---- SECTION genel ---- */
section{position:relative}
.sec{padding:86px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--mavi-koyu);font-family:'Fredoka';font-weight:600;font-size:.85rem;padding:8px 18px;border-radius:40px;box-shadow:var(--golge-sm);margin-bottom:18px;letter-spacing:.04em;text-transform:uppercase}
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}
.sec-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-bottom:14px}
.sec-head p{font-size:1.1rem;color:var(--metin-acik);font-weight:600}

/* ---- GÜVEN 3'lü ---- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pillar{background:#fff;border-radius:var(--r);padding:34px 28px;box-shadow:var(--golge);text-align:center;position:relative;overflow:hidden;transition:.28s;border:2px solid transparent}
.pillar:hover{transform:translateY(-8px);border-color:rgba(31,159,219,.18)}
.pillar .badge{width:78px;height:78px;border-radius:24px;margin:0 auto 20px;display:grid;place-items:center;font-size:2.1rem;color:#fff}
.pillar:nth-child(1) .badge{background:linear-gradient(135deg,#F79C42,#EE6C4D)}
.pillar:nth-child(2) .badge{background:linear-gradient(135deg,#1F9FDB,#79B94C)}
.pillar:nth-child(3) .badge{background:linear-gradient(135deg,#8B5CF6,#6A3FD8)}
.pillar h3{font-size:1.28rem;margin-bottom:10px}
.pillar p{font-size:.98rem;color:var(--metin-acik);font-weight:600}

/* ---- ÖZELLİKLER grid ---- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{background:#fff;border-radius:22px;padding:28px 24px;box-shadow:var(--golge-sm);transition:.26s;position:relative;overflow:hidden}
.feat::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;opacity:.10;background:var(--c,var(--mavi))}
.feat:hover{transform:translateY(-6px);box-shadow:var(--golge)}
.feat .fi{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px;background:color-mix(in srgb,var(--c,var(--mavi)) 15%,#fff);color:var(--c,var(--mavi))}
.feat h4{font-size:1.12rem;margin-bottom:8px}
.feat p{font-size:.93rem;color:var(--metin-acik);font-weight:600}

/* ---- KİTAPLAR ---- */
.books-sec{background:linear-gradient(180deg,#fff,#FFF8EE)}
.books{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.book{background:#fff;border-radius:22px;padding:16px;box-shadow:var(--golge-sm);transition:.3s;cursor:default}
.book:hover{transform:translateY(-9px) rotate(-.6deg);box-shadow:var(--golge)}
.book .cover{border-radius:16px;overflow:hidden;aspect-ratio:518/700;position:relative;box-shadow:0 8px 20px rgba(23,63,95,.14)}
.book .cover img{width:100%;height:100%;object-fit:cover}
.cover-css{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;position:relative;overflow:hidden}
.cover-css .big{font-size:3.6rem;margin-bottom:12px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.18));position:relative;z-index:2}
.cover-css .ttl{font-family:'Fredoka';font-weight:700;font-size:1.15rem;line-height:1.1;position:relative;z-index:2;text-shadow:0 2px 6px rgba(0,0,0,.22)}
.cover-css .bub{position:absolute;border-radius:50%;opacity:.35}
.book .meta{padding:14px 8px 6px}
.book .meta h4{font-size:1.06rem;margin-bottom:6px}
.book .tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:.72rem;font-weight:800;padding:4px 11px;border-radius:30px;background:rgba(31,159,219,.12);color:var(--mavi-koyu)}
.tag.age{background:rgba(121,185,76,.16);color:#4E7A2C}
.note-real{position:absolute;top:12px;right:12px;background:var(--sari);color:var(--lacivert);font-family:'Fredoka';font-weight:600;font-size:.66rem;padding:4px 10px;border-radius:30px;z-index:3;box-shadow:0 4px 10px rgba(0,0,0,.15)}

/* ---- ETKİNLİK örnekleri ---- */
.act-sec{background:linear-gradient(180deg,#FFF8EE,#EFF7FC)}
.act-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.act-visual{background:#fff;border-radius:var(--r);padding:20px;box-shadow:var(--golge)}
.act-visual img{border-radius:16px;width:100%}
.act-cards{display:grid;gap:18px}
.act-card{background:#fff;border-radius:20px;padding:22px 24px;box-shadow:var(--golge-sm);display:flex;gap:16px;align-items:flex-start;transition:.24s}
.act-card:hover{transform:translatex(6px)}
.act-card .ai{width:52px;height:52px;border-radius:15px;flex:none;display:grid;place-items:center;font-size:1.4rem;color:#fff}
.act-card:nth-child(1) .ai{background:linear-gradient(135deg,#8B5CF6,#6A3FD8)}
.act-card:nth-child(2) .ai{background:linear-gradient(135deg,#1F9FDB,#1577AE)}
.act-card:nth-child(3) .ai{background:linear-gradient(135deg,#F6963E,#EE6C4D)}
.act-card h4{font-size:1.1rem;margin-bottom:5px}
.act-card p{font-size:.92rem;color:var(--metin-acik);font-weight:600}
.act-wide{margin-top:34px;background:linear-gradient(135deg,#fff,#F7FBFE);border-radius:var(--r);padding:40px 44px;box-shadow:var(--golge);position:relative;overflow:hidden;border:2px solid rgba(31,159,219,.12)}
.act-wide::before{content:"🃏";position:absolute;right:26px;top:24px;font-size:3.4rem;opacity:.14}
.act-wide .txt{max-width:720px;position:relative;z-index:2}
.act-wide img{border-radius:16px}
.act-wide .txt h3{font-size:1.5rem;margin-bottom:12px}
.act-wide .txt p{color:var(--metin-acik);font-weight:600;margin-bottom:10px}
.mini-list{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:16px}
.mini-list div{display:flex;gap:10px;align-items:center;font-weight:700;color:var(--lacivert);font-size:.95rem}
.mini-list div .dot{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:.85rem;color:#fff;flex:none}

/* ---- FİLTRE / arama ---- */
.filter-sec{padding:86px 0}
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:8px}
.filter{background:#fff;border-radius:20px;padding:26px 24px;box-shadow:var(--golge-sm);border-left:6px solid var(--c,var(--mavi));transition:.24s}
.filter:hover{transform:translateY(-5px);box-shadow:var(--golge)}
.filter .fh{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.filter .fh .ico{font-size:1.3rem}
.filter h4{font-size:1.02rem;color:var(--c,var(--mavi))}
.filter p{font-size:.92rem;color:var(--metin-acik);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:34px}
.chip{background:#fff;padding:9px 18px;border-radius:40px;font-weight:800;font-size:.9rem;color:var(--lacivert);box-shadow:var(--golge-sm);border:2px solid transparent;transition:.2s}
.chip:hover{border-color:var(--mavi);color:var(--mavi-koyu);transform:translateY(-2px)}

/* ---- CTA kapanış ---- */
.cta-sec{padding:40px 0 96px}
.cta-box{background:linear-gradient(135deg,#1F9FDB,#8B5CF6);border-radius:36px;padding:64px 40px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:0 30px 60px rgba(31,159,219,.3)}
.cta-box h2{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:14px}
.cta-box p{font-size:1.15rem;opacity:.95;font-weight:600;max-width:560px;margin:0 auto 30px}
.cta-box .btn-primary{background:#fff;color:var(--mavi-koyu)}
.cta-box .deco{opacity:.85}

/* ---- FOOTER ---- */
footer{background:var(--lacivert);color:#cfe0ec;padding:52px 0 34px;text-align:center}
footer .flogo{height:46px;margin:0 auto 18px;filter:brightness(0) invert(1) opacity(.95)}
footer p{font-weight:600;font-size:.95rem;opacity:.8;margin-bottom:6px}
footer .edumind{font-family:'Fredoka';font-weight:600;letter-spacing:.08em;margin-top:16px;font-size:1.1rem;color:#fff}
footer .fine{margin-top:22px;font-size:.82rem;opacity:.55}

/* ---- reveal ---- */
.rev{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.rev.in{opacity:1;transform:none}

/* ---- RESPONSIVE ---- */
@media(max-width:940px){
  .hero-grid{grid-template-columns:1fr;gap:20px;text-align:center}
  .hero-logo{margin:0 auto 22px}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .hero-actions,.trust-pill{justify-content:center}
  .trust-pill{margin:0 auto}
  .device-stage{margin-top:20px;min-height:auto}
  .pillars,.feat-grid,.books{grid-template-columns:repeat(2,1fr)}
  .act-grid{grid-template-columns:1fr}
  .act-wide{padding:32px 26px}
}
@media(max-width:640px){
  .nav-links{position:fixed;top:76px;left:0;right:0;background:var(--krem);flex-direction:column;padding:16px 24px 22px;gap:8px;box-shadow:var(--golge);transform:translateY(-140%);transition:.35s;z-index:55}
  .nav-links.open{transform:none}
  .nav-links a{width:100%;text-align:center;padding:13px}
  .burger{display:block}
  .sec{padding:60px 0}
  .pillars,.feat-grid,.books{grid-template-columns:1fr}
  .phone{position:static;margin:18px auto 0;width:170px}
  .hero h1{font-size:2rem}
  .cta-box{padding:48px 24px}
  .wrap{padding:0 18px}
}