/* =========================================================
   ServisBT Bursa - yerinde bilgisayar servisi
   Renkler logodan alındı: lacivert #161f2e, mavi #359de6, yeşil #51a744
   Sade, açık zeminli, büyük puntolu tek sayfa.
   ========================================================= */

:root{
  --lacivert:#161f2e;
  --mavi:#359de6;
  --mavi-koyu:#0f6cad;
  --mavi-acik:#e8f4fd;
  --yesil:#51a744;
  --wa:#25d366;
  --wa-koyu:#1eb85a;

  --zemin:#ffffff;
  --zemin-2:#f3f8fc;
  --yazi:#16202f;
  --yazi-2:#54637a;
  --cizgi:#dde7f0;

  --en:1040px;
  --bosluk:20px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--zemin);color:var(--yazi);
  font-family:Figtree,"Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:18px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mavi-koyu)}
p{margin:0 0 1em}
h1,h2,h3{margin:0 0 .5em;line-height:1.2;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(2rem,5vw,2.9rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.4vw,2.05rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
:focus-visible{outline:3px solid var(--mavi-koyu);outline-offset:2px;border-radius:6px}

.kutu{max-width:var(--en);margin-inline:auto;padding-inline:var(--bosluk)}
.bolum{padding-block:clamp(44px,6vw,68px)}
.bolum--gri{background:var(--zemin-2);border-block:1px solid var(--cizgi)}
.orta{text-align:center}
.giris{font-size:1.14rem;color:var(--yazi-2);max-width:56ch}
.orta .giris{margin-inline:auto}
.kucuk{font-size:.95rem;color:var(--yazi-2)}
.atla{position:absolute;left:-9999px}
.atla:focus{left:14px;top:14px;z-index:200;background:var(--lacivert);color:#fff;padding:10px 16px;border-radius:8px}

/* ---------- logo ---------- */
.marka{display:block;line-height:0;flex:none}
.marka img{height:116px;width:auto;display:block;border-radius:10px;transition:height .2s ease}

/* ---------- üst bar (logonun zeminiyle aynı lacivert) ---------- */
.ust{
  position:sticky;top:0;z-index:50;background:var(--lacivert);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.ust__ic{display:flex;align-items:center;gap:16px;min-height:150px;transition:min-height .2s ease}
.ust__tel{margin-left:auto}

/* sayfa kaydırılınca bar toparlansın */
.ust.is-stuck .marka img{height:70px}
.ust.is-stuck .ust__ic{min-height:94px}

@media (max-width:640px){
  .marka img{height:84px}
  .ust__ic{min-height:112px;gap:10px}
  .ust__tel{padding:11px 16px;font-size:.94rem}
  .ust.is-stuck .marka img{height:56px}
  .ust.is-stuck .ust__ic{min-height:78px}
}
@media (max-width:400px){
  .marka img{height:70px}
  .ust__ic{min-height:96px}
}
@media (prefers-reduced-motion:reduce){
  .marka img,.ust__ic{transition:none}
}

/* alt bilgideki logo açık zeminde rozet gibi dursun */
.alt .marka img{height:62px}
@media (max-width:640px){ .alt .marka img{height:52px} }

/* ---------- butonlar ---------- */
.dugme{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:inherit;font-size:1.05rem;font-weight:700;
  padding:16px 26px;border-radius:12px;border:2px solid transparent;
  min-height:58px;cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background .15s,border-color .15s,color .15s;
}
.dugme svg{width:22px;height:22px;flex:none}
.dugme--wa{background:var(--wa);color:#05301b}
.dugme--wa:hover{background:var(--wa-koyu)}
.dugme--ara{background:var(--mavi-koyu);color:#fff}
.dugme--ara:hover{background:#0b5a91}
.dugme--cizgi{background:#fff;color:var(--yazi);border-color:var(--cizgi)}
.dugme--cizgi:hover{border-color:var(--mavi-koyu);color:var(--mavi-koyu)}
.dugme--kucuk{min-height:46px;padding:10px 18px;font-size:.98rem;border-radius:10px}
.dugmeler{display:flex;flex-wrap:wrap;gap:14px}
.orta .dugmeler{justify-content:center}

/* ---------- giriş bölümü ---------- */
.ana{padding-block:clamp(36px,5vw,56px) clamp(36px,5vw,52px);background:linear-gradient(180deg,var(--mavi-acik),#fff 88%)}
.ana h1{margin-bottom:18px}
.ana .giris{font-size:1.2rem;max-width:52ch}
.ana__rozet{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--cizgi);border-radius:999px;padding:7px 15px;font-size:.92rem;font-weight:600;margin-bottom:18px}
.ana__rozet b{color:var(--mavi-koyu)}
.ana .dugmeler{margin-top:28px}
.ana__saat{margin-top:18px;font-size:.97rem;color:var(--yazi-2)}

/* ---------- liste kartları ---------- */
.izgara{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;list-style:none;padding:0;margin:34px 0 0}
@media (max-width:900px){ .izgara{grid-template-columns:repeat(2,1fr)} }
@media (max-width:520px){ .izgara{grid-template-columns:1fr} }
.izgara li{
  background:#fff;border:1px solid var(--cizgi);border-radius:12px;padding:20px 18px;
  display:flex;flex-direction:column;gap:8px;text-align:left;
}
.izgara b{font-size:1.04rem;font-weight:700;line-height:1.3}
.izgara span{font-size:.96rem;color:var(--yazi-2)}
.izgara svg{width:26px;height:26px;color:var(--mavi);flex:none}

/* ---------- adımlar ---------- */
.adimlar{list-style:none;counter-reset:a;margin:34px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:760px){ .adimlar{grid-template-columns:1fr} }
.adimlar li{counter-increment:a;background:#fff;border:1px solid var(--cizgi);border-radius:12px;padding:24px 22px}
.adimlar li::before{
  content:counter(a);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  background:var(--mavi-acik);color:var(--mavi-koyu);font-weight:800;font-size:1.15rem;margin-bottom:14px;
}
.adimlar h3{margin-bottom:6px}
.adimlar p{margin:0;color:var(--yazi-2);font-size:.98rem}

/* ---------- ücret ---------- */
.ucret{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
@media (max-width:760px){ .ucret{grid-template-columns:1fr} }
.ucret div{background:#fff;border:1px solid var(--cizgi);border-radius:12px;padding:22px}
.ucret b{display:block;font-size:1.5rem;font-weight:800;color:var(--mavi-koyu);margin-bottom:4px}
.ucret span{font-size:.98rem;color:var(--yazi-2)}

/* ---------- bölge ---------- */
.yerler{list-style:none;display:flex;flex-wrap:wrap;gap:9px;padding:0;margin:26px 0 0;justify-content:center}
.yerler li{background:#fff;border:1px solid var(--cizgi);border-radius:9px;padding:8px 15px;font-size:.98rem;font-weight:600}
.yerler li.one{background:var(--mavi-acik);border-color:transparent;color:var(--mavi-koyu)}
.yerler a{color:inherit;text-decoration:none}
.yerler a:hover{text-decoration:underline}

/* ---------- sorular ---------- */
.sorular{max-width:780px;margin:32px auto 0;display:grid;gap:12px}
.sorular details{background:#fff;border:1px solid var(--cizgi);border-radius:12px;padding:2px 20px}
.sorular summary{cursor:pointer;list-style:none;position:relative;padding:18px 34px 18px 0;font-weight:700;font-size:1.06rem}
.sorular summary::-webkit-details-marker{display:none}
.sorular summary::after{content:"+";position:absolute;right:2px;top:50%;transform:translateY(-50%);font-size:1.6rem;font-weight:400;color:var(--mavi-koyu);line-height:1}
.sorular details[open] summary::after{content:"–"}
.sorular .cevap{padding:0 0 18px;color:var(--yazi-2);font-size:1rem}
.sorular .cevap p:last-child{margin-bottom:0}

/* ---------- iletişim ---------- */
.iletisim{background:var(--lacivert);color:#fff;border-radius:16px;padding:clamp(28px,4vw,44px);text-align:center}
.iletisim h2{color:#fff}
.iletisim p{color:#c3cfdd;max-width:46ch;margin-inline:auto}
.iletisim .numara{
  display:inline-block;font-size:clamp(1.9rem,5vw,2.6rem);font-weight:800;letter-spacing:-.02em;
  color:#fff;text-decoration:none;margin:18px 0 6px;
}
.iletisim .numara:hover{color:var(--mavi)}
.iletisim .dugme--cizgi{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.iletisim .dugme--cizgi:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- alt bilgi ---------- */
.alt{border-top:1px solid var(--cizgi);padding-block:32px 96px;background:var(--zemin-2)}
@media (min-width:721px){ .alt{padding-bottom:32px} }
.alt__ic{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.alt p{margin:0;font-size:.93rem;color:var(--yazi-2)}

/* ---------- mobil alt çubuk ---------- */
.cubuk{
  position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:10px;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--cizgi);
}
/* Mobil çubuk: solda küçük telefon, sağda geniş WhatsApp */
.cubuk .dugme{min-height:56px;font-size:1.02rem;padding:12px}
.cubuk .dugme--wa{flex:1;order:2}
.cubuk .dugme--ara{flex:none;width:64px;order:1;padding:12px 0}
.cubuk .dugme--ara svg{width:24px;height:24px}
@media (min-width:721px){ .cubuk{display:none} }

.wa-yuvar{
  position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;border-radius:50%;
  background:var(--wa);color:#05301b;display:none;place-items:center;
  box-shadow:0 10px 26px -8px rgba(37,211,102,.7);
}
.wa-yuvar svg{width:31px;height:31px}
.wa-yuvar:hover{background:var(--wa-koyu)}
@media (min-width:721px){ .wa-yuvar{display:grid} }

/* düzenleme notu - yayına almadan önce silinecek */
.not{
  border:2px dashed #e0a416;background:#fdf6e6;color:#7a5410;
  border-radius:12px;padding:14px 18px;font-size:.96rem;margin-top:26px;
}

@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }