:root{
  --bg:#0E1620;--bg2:#0b121b;--surface:#17222E;--surface2:#1F2C3A;--border:#2A3A4A;
  --text:#EAF2F8;--muted:#8DA2B5;--faint:#5E7285;--accent:#0E9F6E;--accent2:#0B6E70;--soft:#1C3A2C;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
a{color:inherit;text-decoration:none}
.ic{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.2}
.vurgu{color:var(--accent)}

/* Butonlar */
.btn-accent{display:inline-block;background:var(--accent);color:#fff;font-weight:700;padding:12px 22px;border-radius:12px;border:none;cursor:pointer;transition:.15s}
.btn-accent:hover{background:var(--accent2)}
.btn-ghost{display:inline-block;background:transparent;color:var(--text);font-weight:700;padding:12px 22px;border-radius:12px;border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--accent)}
.buyuk{padding:15px 28px;font-size:16px}

/* Üst bar */
.ust{position:sticky;top:0;z-index:50;background:rgba(14,22,32,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.ust .ic{display:flex;align-items:center;justify-content:space-between;height:64px}
.marka{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.marka img{width:34px;height:34px;border-radius:9px}
.ust nav{display:flex;align-items:center;gap:22px}
.ust nav a{color:var(--muted);font-size:15px;font-weight:600}
.ust nav a:hover{color:var(--text)}
.btn-ind{background:var(--accent);color:#fff!important;padding:9px 16px;border-radius:10px}

/* Hero */
.hero{padding:72px 0 64px;background:radial-gradient(1200px 400px at 70% -10%,rgba(47,179,107,.15),transparent)}
.hero .ic{display:flex;align-items:center;gap:48px}
.hero-yazi{flex:1}
.hero h1{font-size:46px;font-weight:800;margin-bottom:18px}
.hero p{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-btn{display:flex;gap:12px;margin-bottom:26px;flex-wrap:wrap}
.rozetler{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:15px}
.hero-gorsel{flex:0 0 260px;text-align:center}
.hero-gorsel img{width:220px;height:220px;border-radius:48px;box-shadow:0 30px 80px rgba(47,179,107,.25)}

/* Bölümler */
.bolum{padding:72px 0}
.bolum.koyu{background:var(--bg2)}
.bolum h2{font-size:32px;font-weight:800;text-align:center;margin-bottom:10px}
.alt-baslik{text-align:center;color:var(--muted);margin-bottom:36px}

/* Adımlar */
.adimlar{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.adim{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:26px;text-align:center}
.adim .n{width:44px;height:44px;border-radius:50%;background:var(--soft);color:var(--accent);font-weight:800;font-size:20px;display:grid;place-items:center;margin:0 auto 14px}
.adim h3{font-size:19px;margin-bottom:8px}
.adim p{color:var(--muted);font-size:15px}

/* Özellikler */
.ozellik-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.ozellik{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px}
.ozellik h3{font-size:17px;color:var(--accent);margin-bottom:8px}
.ozellik p{color:var(--muted);font-size:15px}

/* Fiyatlar */
.donem-secici{display:flex;justify-content:center;gap:8px;margin-bottom:32px;flex-wrap:wrap}
.donem{background:var(--surface);border:1px solid var(--border);color:var(--muted);padding:10px 18px;border-radius:999px;cursor:pointer;font-weight:600;font-size:15px}
.donem.aktif{background:var(--accent);color:#fff;border-color:var(--accent)}
.donem .etiket{font-size:12px;opacity:.9;margin-left:4px}
.planlar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.plan{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px 22px;text-align:center}
.plan.one{border-color:var(--accent);box-shadow:0 10px 40px rgba(47,179,107,.18)}
.rozet-one{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan h3{font-size:20px;margin-bottom:6px}
.plan-belge{color:var(--muted);font-size:14px;margin-bottom:16px}
.plan-fiyat{font-size:34px;font-weight:800}
.plan-fiyat span{font-size:16px;color:var(--muted);font-weight:600}
.plan-donem{color:var(--faint);font-size:13px;margin:6px 0 20px}
.plan-btn{width:100%}
.not{text-align:center;color:var(--faint);font-size:13px;margin-top:24px}

/* Muhasebeci */
.muhasebeci-ic{display:flex;align-items:center;gap:48px}
.muhasebeci-ic>div{flex:1}
.muhasebeci-ic h2{text-align:left}
.muhasebeci-ic p{color:var(--muted);margin:14px 0 18px}
.liste{list-style:none;margin-bottom:24px}
.liste li{padding:7px 0 7px 28px;position:relative;color:var(--text)}
.liste li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.muhasebeci-kutu{flex:0 0 320px}
.kazanc-ornek{background:var(--surface);border:1px solid var(--accent);border-radius:18px;padding:24px}
.k-sat{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);font-size:16px}
.k-sat b{color:var(--accent);font-size:19px}
.kazanc-ornek small{display:block;color:var(--faint);font-size:12px;margin-top:12px}

/* İndir */
.indir-bolum{text-align:center}
.magaza{display:flex;gap:14px;justify-content:center;margin-top:10px;flex-wrap:wrap}
.magaza-btn{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 26px;font-weight:700}
.magaza-btn small{display:block;color:var(--faint);font-size:12px;font-weight:500}

/* Footer */
.dip{background:var(--bg2);border-top:1px solid var(--border);padding:40px 0}
.dip .ic{text-align:center}
.dip .marka{justify-content:center;margin-bottom:16px}
.dip-link{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
.dip-link a{color:var(--muted);font-size:14px}
.dip-link a:hover{color:var(--accent)}
.dip small{color:var(--faint)}

/* Responsive */
@media(max-width:860px){
  .ust nav a:not(.btn-ind){display:none}
  .hero .ic,.muhasebeci-ic{flex-direction:column}
  .hero h1{font-size:34px}
  .hero-gorsel{order:-1}
  .adimlar,.ozellik-grid,.planlar{grid-template-columns:1fr}
  .muhasebeci-ic h2{text-align:center}
  .muhasebeci-kutu{flex:1;width:100%}
}
.buro-kademe{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.buro-kademe .kk{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px;text-align:center}
.buro-kademe .kk b{display:block;font-size:26px;color:var(--accent);margin:4px 0}
.buro-kademe .kk span{color:var(--muted);font-size:14px}
.alt-baslik{color:var(--muted);max-width:760px}
@media (max-width:820px){.buro-kademe{grid-template-columns:1fr 1fr}}