/* ---------- Grup B fontu: IBM Plex Sans (değişken; genişlik 75–100%, ağırlık 100–700), model kodu IBM Plex Mono. Fontsource 5.3.0 ---------- */
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-display:swap;font-weight:100 700;font-stretch:75% 100%;src:url(/fonts/ibm-plex-sans-latin-wdth-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-display:swap;font-weight:100 700;font-stretch:75% 100%;src:url(/fonts/ibm-plex-sans-latin-ext-wdth-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/ibm-plex-mono-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{
  --baslik:"IBM Plex Sans",system-ui,"Segoe UI",Roboto,Arial,sans-serif;
  --govde:"IBM Plex Sans",system-ui,"Segoe UI",Roboto,Arial,sans-serif;
  --baslik-gen:85%;
}
h1,h2,h3{font-weight:600}
code,.kod{font-family:"IBM Plex Mono",ui-monospace,Consolas,monospace;font-weight:400;font-size:.94em}

/* ---------- daireistasyonu.com, site katmanı ----------
   Grup B: IBM Plex Sans; model kodu IBM Plex Mono. Aksan: pirinç vana ve rakor #7a5f17 (brif §2.3).
   Zemin nötr #f6f6f7. Şemada ısıtma gidiş kırmızı düz, dönüş mavi kesikli (brif §2.3 şema renkleri). */
:root{--aksan:#7a5f17; --zemin-2:#f6f6f7; --aksan-acik:#efe8d8; --mavi-sema:#2563a8}

/* ---------- Giriş: solda bina kesiti, sağda başlık ---------- */
.di-giris{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-areas:"cizim metin";gap:var(--s6) var(--s7);align-items:center;padding:var(--s7) 0}
.di-giris > *{min-width:0}
.di-giris__metin{grid-area:metin}
.di-giris figure{grid-area:cizim;margin:0}
.di-giris h1 .h1-alt{display:flex;align-items:center;gap:.22em;white-space:nowrap}
.di-giris h1 img{height:.74em;width:auto;display:inline-block}
.di-giris h1{margin-bottom:var(--s4)}
.di-giris .ozet{font-size:19px;line-height:1.5}
.di-giris .tanim{margin-top:var(--s5)}
@media (max-width:1000px){.di-giris{grid-template-columns:minmax(0,1fr);grid-template-areas:"metin" "cizim"}}
@media (max-width:760px){.di-giris{padding-top:var(--s5)}.di-giris .ozet{font-size:17px}.bina-kap{overflow-x:auto;-webkit-overflow-scrolling:touch}.bina-kap .bina{min-width:560px}.kaydir-ipucu{display:block}}
.kaydir-ipucu{display:none;font-size:var(--f-kucuk);color:var(--metin-2);margin:0 0 var(--s2)}
.bina{width:100%;height:auto;font-family:var(--govde)}
.bina .yapi{fill:#fff;stroke:var(--lacivert);stroke-width:1.5}
.bina .doseme{stroke:var(--cizgi);stroke-width:1}
.bina .bodrum{fill:var(--zemin-2);stroke:var(--lacivert);stroke-width:1.5}
.bina .zemin{stroke:var(--lacivert);stroke-width:2}
.bina .cihaz{fill:#fff;stroke:var(--lacivert);stroke-width:1.5}
.bina .istasyon{fill:var(--aksan-acik);stroke:var(--aksan);stroke-width:2}
.bina .radyator{fill:#fff;stroke:var(--metin-2);stroke-width:1}
.bina .gidis{fill:none;stroke:var(--kirmizi);stroke-width:2}
.bina .donus{fill:none;stroke:var(--mavi-sema);stroke-width:2;stroke-dasharray:6 4}
.bina .soguk{fill:none;stroke:var(--lacivert);stroke-width:1.5}
.bina .kss{fill:none;stroke:var(--kirmizi);stroke-width:1.5;stroke-dasharray:2 3}
.bina .musluk{fill:none;stroke:var(--metin-2);stroke-width:1.5}
.bina .nokta{fill:var(--kirmizi)}.bina .nokta--d{fill:var(--mavi-sema)}.bina .nokta--s{fill:var(--lacivert)}
.bina text{font-size:14px;fill:var(--metin)}
.bina .ic{fill:var(--lacivert);font-weight:500}
.bina .etiket{fill:var(--lacivert);font-weight:600}
.bina .not{fill:var(--lacivert);font-weight:600}
.bina .not--k{fill:var(--metin-2);font-weight:400}
.bina .lejant{fill:var(--metin)}

/* ---------- Seri kartları yok; üç seri fotoğraf + özellik matrisi ---------- */
.seriler{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s6)}
.seri{margin:0}
.seri img{width:100%;max-width:330px;background:#fff}
.seri figcaption{margin-top:var(--s3)}
.seri figcaption code{font-size:19px;color:var(--lacivert)}
@media (max-width:900px){.seriler{grid-template-columns:minmax(0,1fr)}.seri img{max-width:280px}}
.matris td,.matris th{text-align:left}
.matris td.var{color:var(--lacivert);font-weight:500}
.matris td.yok{color:var(--metin-2)}
.kw-tablo td,.kw-tablo th{white-space:nowrap}
.olcu-tablo td,.olcu-tablo th{white-space:nowrap}
.uyari{background:var(--zemin-2);padding:var(--s4) var(--s5);max-width:90ch}
.bolum--zemin .uyari{background:#fff}
.bilesen{display:grid;grid-template-columns:minmax(150px,15ch) 1fr;margin:0;border-top:1px solid var(--cizgi)}
.bilesen dt,.bilesen dd{margin:0;padding:14px 0;border-bottom:1px solid var(--cizgi)}
.bilesen dt{font-weight:600;color:var(--lacivert);padding-right:var(--s4)}
.bilesen dd small{display:block;margin-top:4px}
@media (max-width:560px){.bilesen{grid-template-columns:1fr}.bilesen dt{border-bottom:0;padding-bottom:0}}
.sonuc dd code{font-size:inherit;color:var(--lacivert)}
.sonuc dd .tipler{display:block;font:400 16px/1.5 var(--govde);margin-top:4px}
.tanim--dar{grid-template-columns:7ch 1fr}