@font-face{font-family:"Schibsted Grotesk";src:url(/yazitipi/schibsted-grotesk-latin-ext.woff2) format("woff2");font-weight:400 900;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+20A0-20C0,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Schibsted Grotesk";src:url(/yazitipi/schibsted-grotesk-latin.woff2) format("woff2");font-weight:400 900;font-display:swap;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:"Geist Mono";src:url(/yazitipi/geist-mono-latin-ext.woff2) format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+20A0-20C0,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Geist Mono";src:url(/yazitipi/geist-mono-latin.woff2) format("woff2");font-weight:100 900;font-display:swap;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}

:root{
  --vurgu:#a16207;--vurgu-gece:#facc15;
  --zemin:#f4f1ea;--metin:#1c1a17;--soluk:#57534e;--cizgi:#d8d2c4;
  --kart:#fffdf7;--alan:#fbf8f0;--des:rgba(28,26,23,.16);
  --hata:#b91c1c;--tamam:#15803d;
  --alt-zemin:#1c1a17;--alt-metin:#f4f1ea;
  --kenar:clamp(16px,4vw,48px);
  --pad:max(var(--kenar),calc((100% - 1280px)/2 + var(--kenar)));
  --sans:"Schibsted Grotesk",ui-sans-serif,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light dark
}
@media (prefers-color-scheme:dark){:root{
  --vurgu:var(--vurgu-gece);
  --zemin:#0e0d0b;--metin:#f4f1ea;--soluk:#a3a09a;--cizgi:#2b2721;
  --kart:#16140f;--alan:#121009;--des:rgba(244,241,234,.13);
  --hata:#f87171;--tamam:#4ade80;
  --alt-zemin:#050504;--alt-metin:#e9e6df
}}

*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--zemin);overflow-x:clip;overscroll-behavior-y:none}
body{background:var(--zemin);color:var(--metin);font-family:var(--sans);font-size:1.0625rem;line-height:1.6;min-height:100vh;display:flex;flex-direction:column;overflow-x:clip;overscroll-behavior-y:none;-webkit-font-smoothing:antialiased}
main{flex:1 0 auto}
a{color:inherit;text-underline-offset:3px}
:focus-visible{outline:3px solid var(--vurgu);outline-offset:3px}
.atla{position:absolute;left:-9999px;z-index:10}
.atla:focus{left:16px;top:16px;background:var(--kart);color:var(--metin);padding:10px 14px;border:1px solid var(--cizgi)}
.gizli{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ─── Üst şerit ─── */
.ust{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:clamp(16px,2vw,22px) var(--pad);border-bottom:1px solid var(--cizgi)}
.logo{display:flex;align-items:center;gap:10px;min-height:24px;font-weight:800;font-size:1.05rem;letter-spacing:-.02em;text-decoration:none}
.isaret{display:inline-block;width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round}
.ust-ilet{display:inline-flex;align-items:center;min-height:24px;padding:6px 0;font-weight:600;text-decoration:none}
.ust-ilet:hover{text-decoration:underline}

/* ─── Yüzey (kahraman) ─── */
.yuzey{position:relative;z-index:1;display:grid;gap:clamp(28px,5vw,56px);align-items:end;padding:clamp(48px,8vw,110px) var(--pad) 0;border-bottom:1px solid var(--cizgi)}
.kunye{font-family:var(--mono);font-size:.78rem;font-weight:500;letter-spacing:.2em;color:var(--soluk)}
.yuzey h1{margin:16px 0 0;font-size:clamp(3.5rem,11vw,10rem);font-weight:800;letter-spacing:-.05em;line-height:1.02}
.yuzey-yazi{padding-bottom:clamp(10px,2vw,26px)}
.yuzey-durum{margin-top:clamp(18px,3vw,32px);max-width:44ch;font-size:clamp(1.0625rem,1.6vw,1.3rem);line-height:1.55;color:var(--soluk)}
.vurgu{color:var(--vurgu);font-weight:700}
.kule{align-self:end;width:220px;margin:32px 0 -55px auto;color:color-mix(in srgb,var(--metin) 80%,transparent)}
.motif{display:block;width:100%;height:auto;overflow:visible}

/* ─── Katmanlar ─── */
.katmanlar{position:relative}
.boru{display:none;position:absolute;top:54px;bottom:0;right:calc(var(--pad) + 110px);width:2px;opacity:.5;background-image:repeating-linear-gradient(to bottom,var(--soluk) 0 8px,transparent 8px 16px)}
.katman{padding:clamp(36px,5vw,72px) var(--pad);border-top:1px solid var(--cizgi)}
.katman-toprak{border-top:0}
.katman-ic,.form-kart{position:relative;z-index:1}
.derinlik{display:flex;align-items:center;gap:14px;margin-bottom:18px;font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--soluk)}
.derinlik::after{content:"";flex:1;height:1px;background:var(--cizgi)}
.katman-baslik{margin-bottom:clamp(18px,3vw,30px);font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.1}
.katman-ic p{max-width:64ch}

.katman-toprak{background-image:radial-gradient(circle at 50% 50%,var(--des) 0 1.4px,transparent 1.7px);background-size:16px 16px}
.katman-toprak .katman-ic p{font-size:clamp(1.15rem,2vw,1.5rem);line-height:1.5;letter-spacing:-.01em}

.katman-kil{background-color:rgba(28,26,23,.035);background-image:radial-gradient(ellipse 7px 1.2px at 50% 50%,var(--des) 0 97%,transparent 100%);background-size:20px 14px}
.faaliyet{list-style:none;display:grid;gap:18px}
.faaliyet li{padding-top:14px;border-top:1px solid var(--cizgi);font-size:clamp(1.1rem,2vw,1.45rem);font-weight:600;letter-spacing:-.02em}
.sira{display:block;margin-bottom:6px;font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.12em;color:var(--soluk)}

.katman-kaya{background-color:rgba(28,26,23,.07);background-image:repeating-linear-gradient(45deg,var(--des) 0 1px,transparent 1px 10px),repeating-linear-gradient(-45deg,var(--des) 0 1px,transparent 1px 10px)}
.damar{position:relative;list-style:none;display:grid;gap:24px;padding-top:4px}
.damar::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:color-mix(in srgb,var(--vurgu) 35%,transparent)}
.adim{position:relative;display:grid;grid-template-columns:12px minmax(0,1fr);gap:4px 14px;align-items:start}
.nokta{grid-column:1;grid-row:1/span 2;width:12px;height:12px;border:2px solid var(--soluk);border-radius:50%;background:var(--zemin)}
.aktif .nokta{border-color:var(--vurgu);background:var(--vurgu)}
.adim-ad{grid-column:2;font-weight:700;font-size:clamp(1.05rem,1.6vw,1.25rem);letter-spacing:-.02em}
.adim-durum{grid-column:2;font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.12em;color:var(--soluk)}
.aktif .adim-durum{color:var(--vurgu);font-weight:600}

.katman-cevher{background-color:rgba(28,26,23,.12);background-image:radial-gradient(circle at 30% 40%,var(--des) 0 2px,transparent 3px),radial-gradient(circle at 72% 78%,var(--des) 0 1.5px,transparent 2.5px);background-size:48px 48px,37px 37px}
.form-kart{max-width:760px;padding:clamp(20px,3vw,36px);background:var(--kart);border:1px solid var(--cizgi);border-radius:6px;scroll-margin-top:24px}
.form-kart h2{margin-bottom:22px;font-size:clamp(1.75rem,2.6vw,2.25rem);font-weight:800;letter-spacing:-.035em;line-height:1.05}

/* ─── Form ─── */
form p{margin-bottom:16px}
.alanlar{display:grid;gap:0 14px}
.alanlar p{min-width:0}
label{display:block;margin-bottom:6px;font-family:var(--mono);font-size:.75rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--soluk)}
input[type=text],input[type=email],input[type=tel],textarea{width:100%;min-height:48px;padding:12px 14px;font:inherit;color:inherit;background:var(--alan);border:1px solid var(--cizgi);border-radius:3px;transition:border-color .2s,box-shadow .2s}
input:hover,textarea:hover{border-color:var(--soluk)}
input:focus,textarea:focus{border-color:var(--vurgu);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--vurgu) 28%,transparent)}
textarea{min-height:120px;resize:vertical}
.onay{display:flex;gap:10px;align-items:flex-start}
.onay input{width:24px;height:24px;flex:none;margin-top:2px;accent-color:var(--vurgu)}
.onay label{margin:0;font-family:var(--sans);font-size:.9rem;font-weight:400;letter-spacing:0;text-transform:none;line-height:1.5;color:var(--soluk)}
.onay a{color:var(--metin);font-weight:600}
button{width:100%;min-height:48px;padding:14px 28px;font:inherit;font-weight:700;background:var(--vurgu);color:#fff;border:0;border-radius:3px;cursor:pointer;transition:filter .2s}
@media (prefers-color-scheme:dark){button{color:#0e0d0b}}
button:hover{filter:brightness(.93)}
button:disabled{opacity:.6;cursor:progress}
.sonuc{min-height:1.6em;margin:12px 0 0;font-weight:600}
.sonuc.hata{color:var(--hata)}
.sonuc.tamam{color:var(--tamam)}
.sonuc.hata::before,.sonuc.tamam::before{content:"";margin-right:8px;font-family:var(--mono);font-size:.75rem;letter-spacing:.06em}
.sonuc.hata::before{content:"HATA —"}
.sonuc.tamam::before{content:"İLETİLDİ —"}

/* ─── Altbilgi ─── */
.alt{display:flex;flex-direction:column;gap:12px;padding:clamp(24px,4vw,40px) var(--pad);background:var(--alt-zemin);color:var(--alt-metin);font-size:.9rem}
.alt a{text-decoration:none}
.alt a:hover{text-decoration:underline}
.alt nav{display:flex;flex-wrap:wrap;gap:20px}
.alt nav a{display:inline-flex;align-items:center;min-height:24px}

/* ─── Hareket ─── */
@media (prefers-reduced-motion:no-preference){
  .boru{animation:akis 1.6s linear infinite}
  .boru-kesik{animation:boruakis 1.4s linear infinite}
  .aktif .nokta{animation:parilti 2.6s ease-in-out infinite}
}
@keyframes akis{to{background-position:0 16px}}
@keyframes boruakis{to{stroke-dashoffset:-16}}
@keyframes parilti{
  0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--vurgu) 55%,transparent)}
  50%{box-shadow:0 0 0 8px color-mix(in srgb,var(--vurgu) 0%,transparent)}
}

/* ─── Masaüstü düzeni ─── */
@media (min-width:700px){
  .faaliyet{grid-template-columns:repeat(4,1fr);gap:24px}
  .damar{grid-template-columns:repeat(3,1fr);gap:32px}
  .damar::before{left:0;right:0;top:5px;bottom:auto;width:auto;height:2px}
  .adim{display:block}
  .nokta{display:block;margin-bottom:14px}
  .adim-ad,.adim-durum{display:block}
  .adim-durum{margin-top:4px}
}
@media (min-width:520px){
  .alanlar{grid-template-columns:1fr 1fr}
  .alanlar p:first-child{grid-column:1/-1}
}
@media (min-width:640px){
  .alt{flex-direction:row;align-items:center;justify-content:space-between}
}
@media (min-width:900px){
  .yuzey{grid-template-columns:minmax(0,1fr) 300px;gap:clamp(24px,4vw,56px)}
  .kule{width:300px;margin:0 0 -75px}
  .boru{display:block;top:74px;right:calc(var(--pad) + 150px)}
  .katman{display:grid;grid-template-columns:180px minmax(0,1fr);column-gap:clamp(24px,3vw,48px);align-items:start}
  .derinlik{display:block;margin-bottom:0;padding-top:2px}
  .derinlik::after{display:block;width:72px;height:20px;margin-top:10px;background:repeating-linear-gradient(to bottom,var(--cizgi) 0 1px,transparent 1px 6px)}
}

/* ─── Yasal Sayfalar / Metin ─── */
.metin{max-width:68ch;margin:clamp(36px,5vw,72px) auto;padding:0 var(--kenar)}
.metin h1{font-size:clamp(2rem,3.5vw,2.8rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:12px}
.metin h2{font-size:clamp(1.4rem,2.5vw,1.9rem);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin-top:36px;margin-bottom:16px}
.metin p{margin-bottom:18px;line-height:1.65}
.metin ul{margin-bottom:18px;padding-left:24px}
.metin li{margin-bottom:8px;line-height:1.6}
.metin a{color:var(--metin);text-decoration:underline;text-underline-offset:3px}
.metin a:hover{color:var(--vurgu)}