/* EtmTech Muhasebe sitesi · ortak stil
   Düzen: koyu "gece vitrini" — ürünün kendi ekranları sahnede, fiyatlar kasa fişi olarak basılı. Tek tema (marka koyu). */
:root{
  color-scheme: dark;
  --gece:#0a0f1d; --panel:#111a2e; --panel-2:#16213a;
  --cizgi:rgba(150,170,220,.16); --yazi:#e8eefa; --soluk:#97a3c0;
  --turkuaz:#2fe3d6; --mor:#a56cf6; --pembe:#ec4c9c;
  --fis:#f4f1e8; --fis-yazi:#1b2030;
  --marka:linear-gradient(100deg,var(--turkuaz),var(--mor) 55%,var(--pembe));
  --f-govde:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Consolas,monospace;
  --r:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--gece);color:var(--yazi);font:16px/1.6 var(--f-govde);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--turkuaz);outline-offset:3px;border-radius:6px}
.kap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{text-wrap:balance;margin:0;letter-spacing:-.03em}
h2{font-size:clamp(28px,4.2vw,46px);line-height:1.08;font-weight:800}
p{margin:0}
.ust-etiket{font:600 12.5px/1.3 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--turkuaz)}
.soluk{color:var(--soluk)}
.renkli{background:var(--marka);-webkit-background-clip:text;background-clip:text;color:transparent}
section{padding-block:clamp(64px,9vw,112px)}
.bolum-bas{display:grid;gap:14px;max-width:760px;margin-bottom:44px}
.bolum-bas p{color:var(--soluk);font-size:18px}
.ikon{fill:none;stroke:url(#g-marka);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* üst çubuk */
.ust{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(10,15,29,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--cizgi)}
.ust .kap{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:-.02em;font-size:17px;white-space:nowrap}
.logo img{width:34px;height:34px}
.ust nav{display:flex;gap:4px;margin-left:auto;font-size:14.5px;color:var(--soluk)}
.ust nav a{text-decoration:none;padding:8px 12px;border-radius:999px}
.ust nav a:hover{color:var(--yazi);background:rgba(255,255,255,.04)}
.ust nav a[aria-current="page"]{color:var(--yazi);background:rgba(255,255,255,.06)}
.dugme{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:15.5px;text-decoration:none;border:1px solid transparent;white-space:nowrap;transition:transform .15s;cursor:pointer;font-family:inherit}
.dugme:hover{transform:translateY(-1px)}
.dugme-ana{background:var(--marka);color:#0a0f1d;box-shadow:0 10px 30px -10px rgba(165,108,246,.7)}
.dugme-cizgi{border-color:var(--cizgi);background:rgba(255,255,255,.03);color:var(--yazi)}
.ust .dugme{padding:9px 16px;font-size:14px}
.dugme svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.menu-mobil{display:none;margin-left:auto;position:relative}
.menu-mobil summary{list-style:none;cursor:pointer;border:1px solid var(--cizgi);border-radius:12px;padding:8px 12px;font-size:14px;font-weight:600}
.menu-mobil summary::-webkit-details-marker{display:none}
.menu-mobil[open] .menu-liste{display:grid}
.menu-liste{display:none;position:absolute;right:0;top:calc(100% + 8px);background:var(--panel);border:1px solid var(--cizgi);border-radius:14px;padding:8px;min-width:200px;gap:2px;box-shadow:0 20px 40px -10px rgba(0,0,0,.8)}
.menu-liste a{text-decoration:none;padding:10px 12px;border-radius:9px}
.menu-liste a:hover{background:rgba(255,255,255,.05)}
@media(max-width:900px){.ust nav{display:none}.menu-mobil{display:block}.ust .kap{gap:10px}.ust .dugme-ust{display:none}}

/* açılış */
.acilis{position:relative;padding-block:clamp(48px,7vw,90px) 40px;overflow:hidden}
.acilis::before{content:"";position:absolute;inset:-30% -10% auto;height:120%;background:
  radial-gradient(40% 50% at 18% 30%,rgba(47,227,214,.16),transparent 70%),
  radial-gradient(40% 50% at 82% 20%,rgba(165,108,246,.18),transparent 70%),
  radial-gradient(30% 40% at 60% 80%,rgba(236,76,156,.10),transparent 70%);pointer-events:none}
.acilis .kap{position:relative;display:grid;gap:44px}
.acilis-metin{max-width:860px;display:grid;gap:22px}
.acilis h1{font-size:clamp(38px,6.4vw,76px);line-height:1.02;font-weight:900}
.acilis p.giris{font-size:clamp(17px,2vw,21px);color:var(--soluk);max-width:660px}
.cta-satir{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.rozetler{display:flex;flex-wrap:wrap;gap:10px 22px;font:500 13.5px/1.3 var(--f-mono);color:var(--soluk)}
.rozetler span{display:inline-flex;align-items:center;gap:8px}
.rozetler span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--turkuaz);box-shadow:0 0 10px var(--turkuaz)}
.sahne{position:relative;max-width:1100px;width:100%;margin-inline:auto;aspect-ratio:16/8.6}
.cihaz{position:absolute;background:#05080f;border:1px solid rgba(255,255,255,.12);box-shadow:0 40px 80px -30px rgba(0,0,0,.8);overflow:hidden}
.cihaz img{display:block;width:100%;height:100%;object-fit:cover;object-position:top left}
.c-pc{left:9%;top:0;width:76%;aspect-ratio:16/10;border-radius:14px;padding:1.1%}.c-pc img{border-radius:6px}
.c-tab{left:0;bottom:2%;width:34%;aspect-ratio:1180/820;border-radius:18px;padding:1.2%}.c-tab img{border-radius:9px}
.c-tel{right:2%;bottom:0;width:17%;aspect-ratio:390/844;border-radius:26px;padding:.7%}.c-tel img{border-radius:20px}
.sahne .parilti{position:absolute;inset:auto 10% -6% 10%;height:30%;background:radial-gradient(50% 50% at 50% 50%,rgba(47,227,214,.22),transparent 70%);filter:blur(20px)}
@media(max-width:640px){.sahne{aspect-ratio:16/11}.c-pc{left:0;width:100%}.c-tab{width:46%;bottom:0}.c-tel{width:24%}}

/* bulut eşitleme */
.bulut-bolum{background:linear-gradient(180deg,transparent,rgba(47,227,214,.05) 30%,rgba(165,108,246,.06) 70%,transparent)}
.bulut-izgara{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(28px,5vw,64px);align-items:center}
@media(max-width:900px){.bulut-izgara{grid-template-columns:1fr}}
.bulut-metin{display:grid;gap:18px;min-width:0}
.bulut-metin p.buyuk{font-size:19px;color:var(--soluk)}
.adimlar{display:grid;gap:14px;margin-top:6px}
.adim{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
.adim .no{width:44px;height:44px;border-radius:12px;border:1px solid var(--cizgi);display:grid;place-items:center;background:rgba(255,255,255,.03)}
.adim .no svg{width:24px;height:24px}
.adim b{display:block;font-size:16.5px}
.adim span{color:var(--soluk);font-size:15px;line-height:1.5}
.diyagram{min-width:0;border:1px solid var(--cizgi);border-radius:24px;background:radial-gradient(60% 60% at 50% 45%,rgba(165,108,246,.14),transparent 70%),var(--panel);padding:clamp(16px,3vw,28px)}
.diyagram svg{display:block;width:100%;height:auto}
.diyagram .d-yazi{fill:var(--yazi);font:600 15px var(--f-govde)}
.diyagram .d-soluk{fill:var(--soluk);font:500 12.5px var(--f-mono)}
.diyagram .d-kutu{fill:#0d1528;stroke:rgba(150,170,220,.28);stroke-width:1.2}
.diyagram .d-hat{fill:none;stroke:url(#g-marka);stroke-width:2;stroke-dasharray:6 7}
@media (prefers-reduced-motion: no-preference){.diyagram .d-hat{animation:akis 1.4s linear infinite}@keyframes akis{to{stroke-dashoffset:-26}}}

/* sektörler */
.sektor-izgara{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media(max-width:980px){.sektor-izgara{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.sektor-izgara{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:340px){.sektor-izgara{grid-template-columns:1fr}}
.sektor{padding:20px 18px 18px;border:1px solid var(--cizgi);border-radius:var(--r);background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01));display:grid;gap:10px;align-content:start;transition:border-color .2s,transform .2s}
.sektor:hover{border-color:rgba(47,227,214,.5);transform:translateY(-2px)}
.sektor svg{width:38px;height:38px}
.sektor h3{font-size:17px;letter-spacing:-.015em;font-weight:700}
.sektor p{font-size:14.5px;line-height:1.5;color:var(--soluk)}
@media(max-width:480px){.sektor{padding:16px 14px}.sektor p{font-size:13.5px}}
.grup-liste{display:grid;gap:22px;margin-top:48px}
.grup{display:grid;grid-template-columns:200px minmax(0,1fr);gap:18px;align-items:start;padding-top:22px;border-top:1px solid var(--cizgi)}
@media(max-width:700px){.grup{grid-template-columns:1fr;gap:12px}}
.grup h3{font-size:15px;font-weight:700;color:var(--soluk);font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;padding-top:8px}
.cipler{display:flex;flex-wrap:wrap;gap:10px}
.cip{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--cizgi);border-radius:999px;padding:8px 16px 8px 11px;font-size:15px;font-weight:600;background:rgba(255,255,255,.03)}
.cip svg{width:22px;height:22px}
.sektor-not{margin-top:28px;color:var(--soluk);font-size:15.5px}

/* vitrin */
.vitrin{display:grid;gap:clamp(56px,8vw,96px)}
.vitrin-satir{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,64px);align-items:center}
.vitrin-satir.ters{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.vitrin-satir.ters .vm{order:2}
@media(max-width:860px){.vitrin-satir,.vitrin-satir.ters{grid-template-columns:1fr}.vitrin-satir.ters .vm{order:0}}
.vm{display:grid;gap:16px;min-width:0}
.vm h3{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.12}
.vm p{color:var(--soluk);font-size:17px}
.vm ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:9px}
.vm li{display:flex;gap:10px;align-items:baseline;font-size:15.5px}
.vm li::before{content:"";flex:0 0 auto;width:14px;height:2px;background:var(--marka);transform:translateY(-4px)}
.ekran{border-radius:16px;border:1px solid rgba(255,255,255,.1);overflow:hidden;box-shadow:0 30px 70px -30px rgba(0,0,0,.9),0 0 60px -20px rgba(47,227,214,.18);background:#05080f;min-width:0}
.ekran img{display:block;width:100%;height:auto}
.hepsi-link{margin-top:clamp(48px,7vw,80px);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;border:1px solid var(--cizgi);border-radius:var(--r);padding:24px 26px;background:var(--panel)}
.hepsi-link b{font-size:19px}

/* cihazlar */
.cihaz-kartlar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media(max-width:820px){.cihaz-kartlar{grid-template-columns:1fr}}
.ck{border:1px solid var(--cizgi);border-radius:var(--r);padding:26px;display:grid;gap:10px;background:var(--panel)}
.ck .sayi{font:700 40px/1 var(--f-mono);letter-spacing:-.04em}
.ck p{color:var(--soluk);font-size:15.5px}

/* fiyat fişi */
.fis-izgara{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start}
@media(max-width:900px){.fis-izgara{grid-template-columns:1fr;max-width:420px;margin-inline:auto}}
.fis{position:relative;background:var(--fis);color:var(--fis-yazi);font-family:var(--f-mono);padding:26px 24px 22px;border-radius:4px 4px 0 0;box-shadow:0 30px 60px -30px rgba(0,0,0,.9);display:grid;gap:14px}
.fis::after{content:"";position:absolute;left:0;right:0;bottom:-11px;height:12px;background:radial-gradient(circle at 8px -2px,transparent 8px,var(--fis) 8.5px) 0 0/16px 12px repeat-x}
.fis.one{transform:translateY(-14px);box-shadow:0 0 0 2px var(--mor),0 40px 80px -30px rgba(165,108,246,.7)}
@media(max-width:900px){.fis.one{transform:none}}
.fis-ust{display:flex;justify-content:space-between;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;opacity:.65}
.fis h3{font-family:var(--f-govde);font-size:24px;font-weight:800;letter-spacing:-.02em}
.fis .alt{font-size:12.5px;opacity:.7;margin-top:-8px}
.fiyat{display:flex;align-items:baseline;gap:8px;border-block:1.5px dashed rgba(27,32,48,.35);padding-block:14px}
.fiyat b{font-size:clamp(34px,4vw,42px);letter-spacing:-.04em;font-weight:700;font-variant-numeric:tabular-nums}
.fiyat span{font-size:13px;opacity:.75}
.fis ul{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:13.5px}
.fis li{display:flex;justify-content:space-between;gap:10px}
.fis li::after{content:"✓";font-weight:700;color:#0f8f86}
.rozet-one{position:absolute;top:-13px;right:18px;background:var(--marka);color:#0a0f1d;font:700 11.5px/1 var(--f-govde);letter-spacing:.06em;text-transform:uppercase;padding:7px 12px;border-radius:999px}
.barkod{height:34px;background:repeating-linear-gradient(90deg,var(--fis-yazi) 0 2px,transparent 2px 4px,var(--fis-yazi) 4px 5px,transparent 5px 8px,var(--fis-yazi) 8px 11px,transparent 11px 12px);opacity:.85}
.barkod-no{font-size:11px;letter-spacing:.3em;text-align:center;opacity:.6;margin-top:-8px}
.fiyat-not{margin-top:42px;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:center;color:var(--soluk);font-size:14.5px}
.fiyat-not b{color:var(--yazi)}

/* SSS */
.sss{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media(max-width:760px){.sss{grid-template-columns:1fr}}
.sss details{border:1px solid var(--cizgi);border-radius:14px;padding:18px 20px;background:var(--panel)}
.sss summary{cursor:pointer;font-weight:700;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:12px}
.sss summary::-webkit-details-marker{display:none}
.sss summary::after{content:"+";color:var(--turkuaz);font:700 20px/1 var(--f-mono)}
.sss details[open] summary::after{content:"−"}
.sss details p{margin-top:12px;color:var(--soluk);font-size:15.5px}

/* iletişim kutusu */
.iletisim-kutu{position:relative;border-radius:28px;padding:clamp(28px,5vw,56px);overflow:hidden;background:var(--panel);border:1px solid var(--cizgi);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:32px;align-items:center}
.iletisim-kutu::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 100% 0%,rgba(165,108,246,.25),transparent 60%),radial-gradient(50% 70% at 0% 100%,rgba(47,227,214,.18),transparent 60%);pointer-events:none}
.iletisim-kutu > *{position:relative;min-width:0}
@media(max-width:820px){.iletisim-kutu{grid-template-columns:1fr}}
.tel-buyuk{font:700 clamp(28px,4.4vw,46px)/1.1 var(--f-mono);letter-spacing:-.03em;user-select:all}
.kopyala{background:none;border:1px solid var(--cizgi);color:var(--soluk);border-radius:999px;padding:6px 12px;font:600 12.5px var(--f-govde);cursor:pointer}
.kopyala:hover{color:var(--yazi)}
.iletisim-sag{display:grid;gap:14px}
.satir{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* sayfa başı (alt sayfalar) */
.sayfa-bas{position:relative;padding-block:clamp(48px,7vw,84px) clamp(24px,4vw,40px);overflow:hidden}
.sayfa-bas::before{content:"";position:absolute;inset:-40% -10% auto;height:140%;background:radial-gradient(40% 50% at 15% 30%,rgba(47,227,214,.14),transparent 70%),radial-gradient(40% 50% at 85% 20%,rgba(165,108,246,.16),transparent 70%);pointer-events:none}
.sayfa-bas .kap{position:relative;display:grid;gap:18px;max-width:1180px}
.sayfa-bas h1{font-size:clamp(36px,5.6vw,64px);line-height:1.04;font-weight:900;max-width:900px}
.sayfa-bas p{font-size:clamp(17px,2vw,20px);color:var(--soluk);max-width:720px}

/* özellikler sayfası */
.icindekiler{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.icindekiler a{text-decoration:none;border:1px solid var(--cizgi);border-radius:999px;padding:7px 14px;font-size:14px;color:var(--soluk);background:rgba(255,255,255,.03)}
.icindekiler a:hover{color:var(--yazi);border-color:rgba(47,227,214,.5)}
.oz-grup{display:grid;grid-template-columns:280px minmax(0,1fr);gap:clamp(20px,4vw,48px);padding-block:clamp(36px,5vw,56px);border-top:1px solid var(--cizgi);scroll-margin-top:80px}
@media(max-width:860px){.oz-grup{grid-template-columns:1fr}}
.oz-grup-bas{display:grid;gap:12px;align-content:start}
.oz-grup-bas svg{width:44px;height:44px}
.oz-grup-bas h2{font-size:clamp(26px,3.4vw,36px)}
.oz-grup-bas p{color:var(--soluk)}
.oz-liste{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--cizgi);border:1px solid var(--cizgi);border-radius:var(--r);overflow:hidden}
@media(max-width:560px){.oz-liste{grid-template-columns:1fr}}
.oz{background:var(--gece);padding:20px 22px;display:grid;gap:6px;align-content:start}
.oz b{font-size:16px}
.oz span{color:var(--soluk);font-size:14.5px;line-height:1.5}

/* indir sayfası */
.indir-kartlar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media(max-width:820px){.indir-kartlar{grid-template-columns:1fr}}
.indir-kart{position:relative;border:1px solid var(--cizgi);border-radius:24px;padding:clamp(22px,4vw,34px);background:var(--panel);display:grid;gap:16px;overflow:hidden}
.indir-kart::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 70% at 100% 0%,rgba(165,108,246,.16),transparent 60%);pointer-events:none}
.indir-kart>*{position:relative}
.indir-kart .ust-satir{display:flex;align-items:center;gap:14px}
.indir-kart .ust-satir svg{width:46px;height:46px}
.indir-kart h2{font-size:28px}
.bilgi-satir{display:flex;flex-wrap:wrap;gap:8px 18px;font:500 13.5px var(--f-mono);color:var(--soluk)}
.bilgi-satir b{color:var(--yazi);font-weight:600}
.indir-kart .dugme{justify-self:start}
.surum-kutu{margin-top:20px;border:1px dashed var(--cizgi);border-radius:16px;padding:18px 20px;display:grid;gap:8px;font-size:15px}
.surum-kutu ul{margin:0;padding-left:18px;color:var(--soluk)}
.adim-liste{counter-reset:a;display:grid;gap:14px;margin:0;padding:0;list-style:none}
.adim-liste li{counter-increment:a;display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px;align-items:start}
.adim-liste li::before{content:counter(a);width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font:700 15px var(--f-mono);background:rgba(47,227,214,.1);color:var(--turkuaz);border:1px solid rgba(47,227,214,.3)}
.adim-liste li > div > b{display:block;font-size:16.5px;margin-bottom:2px}
.adim-liste span b{color:var(--yazi)}
.adim-liste span{color:var(--soluk);font-size:15px}
.iki-kolon{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,48px)}
@media(max-width:820px){.iki-kolon{grid-template-columns:1fr}}
.kutu{border:1px solid var(--cizgi);border-radius:var(--r);padding:clamp(20px,3.5vw,30px);background:var(--panel);display:grid;gap:18px;align-content:start;min-width:0}
.kutu h3{font-size:22px;font-weight:800}
.anahtar{font:700 clamp(16px,2.6vw,22px) var(--f-mono);letter-spacing:.06em;background:#05080f;border:1px solid var(--cizgi);border-radius:12px;padding:14px 16px;text-align:center;overflow-x:auto}
.uyari{border-left:3px solid var(--turkuaz);background:rgba(47,227,214,.06);border-radius:0 12px 12px 0;padding:14px 16px;font-size:15px;color:var(--soluk)}
.uyari b{color:var(--yazi)}

footer{border-top:1px solid var(--cizgi);padding-block:28px;color:var(--soluk);font-size:13.5px}
footer .kap{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
footer a{text-decoration:none}
footer nav{display:flex;flex-wrap:wrap;gap:16px}

@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}
@media (prefers-reduced-motion: no-preference){
  .acilis .cihaz{animation:yuz 7s ease-in-out infinite}
  .acilis .c-tab{animation-delay:-2s}.acilis .c-tel{animation-delay:-4s}
  @keyframes yuz{0%,100%{translate:0 0}50%{translate:0 -6px}}
}
.oz-liste .oz:last-child:nth-child(odd){grid-column:1/-1}