/* =============================================================================
   nurtasilac.com.tr — tek stil dosyasi
   Tasarim yonu: klinik netlik. Elde yuksek cozunurluklu fotograf YOK (eski site
   653px'lik manşetlerle kurulmustu), bu yuzden sayfa TIPOGRAFI ve RENK uzerine
   kuruldu; fotograf destek ogesi. Urun renkleri gercek ambalaj etiketlerinden
   geliyor — site rafta duran urunle ayni dili konusuyor.
   🔴 Bu site kendi tasarimina sahiptir; ortak tema YOKTUR (AGENTS.md kural 3).
   ============================================================================= */

:root{
  --lacivert-900:#0b1f3f;
  --lacivert-800:#12305e;
  --lacivert-700:#1a437f;
  --lacivert-600:#2559a5;
  --kirmizi:#c8102e;          /* logodaki Nurtaş yazisi */
  --yesil:#0f9d6b;            /* saglik/uygunluk vurgusu */
  --zemin:#f6f8fb;
  --kagit:#ffffff;
  --metin:#16202e;
  --metin-soluk:#5c6a7d;
  --cizgi:#dfe6ef;
  --golge:0 1px 2px rgba(11,31,63,.05), 0 8px 24px rgba(11,31,63,.07);
  --golge-kalk:0 14px 40px rgba(11,31,63,.16);
  --kenar:clamp(16px,5vw,56px);
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --baslik:"Source Serif 4",Georgia,"Times New Roman",serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--zemin);color:var(--metin);font-family:var(--sans);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--baslik);font-weight:600;line-height:1.16;margin:0;letter-spacing:-.01em}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--lacivert-600);outline-offset:3px}
table{border-collapse:collapse;width:100%}

.kapsayici{width:100%;max-width:1240px;margin:0 auto;padding-inline:var(--kenar)}
.okuma{max-width:76ch}

/* --- Ust bant -------------------------------------------------------------- */
.ustbant{background:var(--lacivert-900);color:#b9c6d8;font-size:13px}
.ustbant .kapsayici{display:flex;gap:18px;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap}
.ustbant a{color:#dbe5f0}
.ustbant a:hover{color:#fff}
.ustbant .sol{display:flex;gap:18px;flex-wrap:wrap}
.ustbant .oge{display:inline-flex;align-items:center;gap:7px}
.ustbant svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.7}

/* --- Baslik / menu --------------------------------------------------------- */
.baslik{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--cizgi)}
.baslik .kapsayici{display:flex;align-items:center;gap:18px;min-height:74px}
.marka{display:flex;align-items:center;gap:12px;flex-shrink:0}
.marka .isaret{width:46px;height:46px;border-radius:10px;background:var(--lacivert-700);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:20px;letter-spacing:-.04em;
  font-family:var(--sans)}
.marka .isaret span{display:block;transform:translateY(-1px)}
.marka-yazi{display:flex;flex-direction:column;line-height:1.1}
.marka-yazi b{font-family:var(--baslik);font-size:22px;color:var(--kirmizi);letter-spacing:-.01em}
.marka-yazi span{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--metin-soluk)}

.menu{display:flex;gap:2px;margin-left:auto;align-items:center}
.menu a{padding:9px 12px;border-radius:8px;font-size:14.5px;font-weight:500;color:var(--lacivert-800);
  transition:background .18s,color .18s}
.menu a:hover{background:#eaf0f8}
.menu a.acik{background:var(--lacivert-800);color:#fff}
.menu-dugme{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
.menu-dugme svg{width:28px;height:28px;stroke:var(--lacivert-800);stroke-width:1.8;fill:none}

.ustcta{display:inline-flex;align-items:center;gap:8px;background:var(--kirmizi);color:#fff;
  padding:11px 18px;border-radius:8px;font-weight:600;font-size:14.5px;transition:background .18s,transform .18s}
.ustcta:hover{background:#a30d26;transform:translateY(-1px)}

/* --- Kahraman -------------------------------------------------------------- */
.kahraman{position:relative;color:#fff;overflow:hidden;isolation:isolate;
  background:linear-gradient(115deg,var(--lacivert-900) 0%,var(--lacivert-800) 58%,#173a70 100%)}
/* Sagdaki isik lekesi: duz koyu zemin "cansiz" duruyordu. */
.kahraman::after{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(52% 90% at 82% 18%,rgba(90,150,225,.30) 0%,transparent 64%)}
.kahraman .kapsayici{padding-block:clamp(38px,5vw,66px)}
.kahraman-duzen{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:clamp(26px,4vw,56px);align-items:center}
.kahraman .ic{max-width:620px}

/* Fotograf vitrini — gorseller kendi olcusune yakin, bu yuzden net. */
.kahraman-vitrin{display:grid;gap:12px}
.kahraman-vitrin figure{margin:0;position:relative;border-radius:14px;overflow:hidden;
  background:#16325c;box-shadow:0 18px 44px rgba(4,12,28,.42)}
.kahraman-vitrin img{width:100%;height:100%;object-fit:cover;display:block}
.kahraman-vitrin .buyuk img{aspect-ratio:16/7}
.kahraman-vitrin .buyuk figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;
  font-size:12.5px;color:#eaf1fa;background:linear-gradient(to top,rgba(6,16,34,.88),transparent)}
.kahraman-vitrin .ikili{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.kahraman-vitrin .ikili img{aspect-ratio:16/10}
.kahraman-vitrin .urun-serit{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kahraman-vitrin .urun-serit a{background:#fff;border-radius:12px;padding:8px;display:block;
  border-bottom:4px solid var(--urun-renk,var(--lacivert-600));transition:transform .18s}
.kahraman-vitrin .urun-serit a:hover{transform:translateY(-3px)}
.kahraman-vitrin .urun-serit img{aspect-ratio:1/1;object-fit:contain}
.etiket{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;color:#9fc0e8;margin-bottom:18px}
.etiket::before{content:"";width:30px;height:2px;background:var(--kirmizi)}
.kahraman h1{font-size:clamp(30px,5vw,54px);color:#fff;margin-bottom:18px}
.kahraman p{font-size:clamp(16px,1.8vw,18.5px);color:#c8d6e8;max-width:56ch}
.dugmeler{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.dugme{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:8px;
  font-weight:600;font-size:15px;border:1px solid transparent;
  transition:transform .18s,background .18s,border-color .18s,color .18s}
.dugme svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2}
.dugme-ana{background:var(--kirmizi);color:#fff}
.dugme-ana:hover{background:#a30d26;transform:translateY(-2px)}
.dugme-hayalet{border-color:rgba(255,255,255,.38);color:#fff}
.dugme-hayalet:hover{background:rgba(255,255,255,.1);border-color:#fff}
.dugme-koyu{background:var(--lacivert-800);color:#fff}
.dugme-koyu:hover{background:var(--lacivert-900);transform:translateY(-2px)}
.dugme-cizgi{border-color:var(--cizgi);color:var(--lacivert-800);background:#fff}
.dugme-cizgi:hover{border-color:var(--lacivert-600)}

.serit{background:var(--lacivert-800);border-top:1px solid rgba(255,255,255,.12)}
.serit .kapsayici{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding-block:22px}
.serit .oge{display:flex;gap:11px;align-items:flex-start;color:#cfdcec;font-size:14px}
.serit svg{flex:0 0 20px;width:20px;height:20px;stroke:#7fb2e8;fill:none;stroke-width:1.8;margin-top:2px}
.serit b{display:block;color:#fff;font-size:14.5px;margin-bottom:1px}

/* --- Bolum ----------------------------------------------------------------- */
.bolum{padding-block:clamp(48px,6vw,88px)}
.bolum-beyaz{background:var(--kagit)}
.bolum-zemin{background:var(--zemin)}
.bolum-koyu{background:var(--lacivert-900);color:#cdd9e8}
.bolum-koyu h2,.bolum-koyu h3{color:#fff}
.bolum-bas{max-width:680px;margin-bottom:clamp(26px,3.5vw,42px)}
.bolum-bas .ust{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--kirmizi);font-weight:600;margin-bottom:12px}
.bolum-bas .ust::before{content:"";width:24px;height:2px;background:currentColor}
.bolum-koyu .bolum-bas .ust{color:#9fc0e8}
.bolum-bas h2{font-size:clamp(25px,3.4vw,38px);margin-bottom:12px}
.bolum-bas p{color:var(--metin-soluk);font-size:16.5px;margin:0}
.bolum-koyu .bolum-bas p{color:#a9bdd4}
.bas-satir{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;flex-wrap:wrap}
.tum-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--kirmizi);font-size:15px;white-space:nowrap}
.tum-link:hover{gap:12px}
.tum-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}

/* --- Urun kartlari --------------------------------------------------------- */
.urun-izgara{display:grid;gap:clamp(14px,1.6vw,22px);grid-template-columns:repeat(3,1fr)}
.urun-kart{background:var(--kagit);border:1px solid var(--cizgi);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.urun-kart:hover{transform:translateY(-4px);box-shadow:var(--golge-kalk);border-color:#c9d7e8}
.urun-kart .ust-cizgi{height:5px;background:var(--urun-renk,var(--lacivert-600))}
.urun-kart .gorsel{padding:14px 14px 0;background:#fff}
.urun-kart .gorsel img{width:100%;aspect-ratio:1/1;object-fit:contain}
.urun-kart .ic{padding:14px 18px 20px;display:flex;flex-direction:column;gap:7px;flex:1}
.urun-kart .tur{font-size:11px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;color:var(--urun-renk,var(--lacivert-600))}
.urun-kart h3{font-size:19px}
.urun-kart p{font-size:14.5px;color:var(--metin-soluk);margin:0}
.urun-kart .oku{margin-top:auto;padding-top:10px;font-weight:600;font-size:14px;color:var(--lacivert-700)}

/* --- Urun detayi ----------------------------------------------------------- */
.urun-duzen{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(22px,4vw,52px);align-items:start}
.urun-gorsel-kutu{background:#fff;border:1px solid var(--cizgi);border-radius:16px;padding:22px;
  border-top:5px solid var(--urun-renk,var(--lacivert-600))}
.urun-gorsel-kutu img{width:100%;max-width:340px;margin:0 auto}
.rozet{display:inline-flex;align-items:center;gap:7px;background:var(--urun-renk,var(--lacivert-600));color:#fff;
  font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;padding:6px 12px;border-radius:6px;margin-bottom:14px}
.veri-blok{margin-top:26px}
.veri-blok h2{font-size:17px;font-family:var(--sans);letter-spacing:.09em;text-transform:uppercase;
  color:var(--metin-soluk);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--cizgi)}
.bilesim{list-style:none;padding:0;margin:0;display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.bilesim li{display:flex;gap:10px;align-items:flex-start;font-size:15px;background:var(--zemin);
  border-radius:8px;padding:10px 12px}
.bilesim li::before{content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--urun-renk,var(--lacivert-600));margin-top:7px}
.dozaj th{text-align:left;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--metin-soluk);
  font-weight:600;padding:8px 12px;background:var(--zemin);border-bottom:1px solid var(--cizgi)}
.dozaj td{padding:11px 12px;border-bottom:1px solid var(--cizgi);font-size:15px}
.dozaj tr:last-child td{border-bottom:0}
.uyari{margin-top:24px;background:#fff8e8;border:1px solid #f0dcae;border-radius:10px;padding:14px 16px;
  font-size:14.5px;color:#6b5312}

/* --- Sayfa basi ------------------------------------------------------------ */
.sayfabasi{background:var(--lacivert-900);color:#fff;position:relative;overflow:hidden}
.sayfabasi::before{content:"";position:absolute;inset:0;opacity:.35;
  background:radial-gradient(60% 130% at 88% 0%,var(--lacivert-600) 0%,transparent 62%)}
.sayfabasi .kapsayici{position:relative;padding-block:clamp(22px,3vw,40px)}
.sayfabasi h1{font-size:clamp(26px,3.6vw,40px);margin-bottom:8px}
.sayfabasi p{color:#b6c7dc;max-width:64ch;margin:0;font-size:15.5px}
.kirinti{font-size:12.5px;color:#93a7c0;padding:0 0 10px}
.kirinti a:hover{color:#fff}
.kirinti span{margin-inline:7px;opacity:.5}

/* --- Kart / metin ---------------------------------------------------------- */
.kart-izgara{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.kart{background:var(--kagit);border:1px solid var(--cizgi);border-radius:14px;padding:24px}
.kart .simge{width:44px;height:44px;border-radius:10px;background:#eaf0f8;display:grid;place-items:center;margin-bottom:14px}
.kart .simge svg{width:22px;height:22px;stroke:var(--lacivert-700);fill:none;stroke-width:1.8}
.kart h3{font-size:18px;margin-bottom:8px}
.kart p{font-size:14.5px;color:var(--metin-soluk);margin:0}
.kart .baglanti{display:inline-block;margin-top:12px;font-weight:600;font-size:14px;color:var(--kirmizi)}

.adimlar{display:grid;gap:14px;counter-reset:adim}
.adim{display:grid;grid-template-columns:52px 1fr;gap:16px;background:var(--kagit);border:1px solid var(--cizgi);
  border-radius:12px;padding:18px 20px}
.adim .no{width:40px;height:40px;border-radius:10px;background:var(--lacivert-800);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px}
.adim h3{font-size:17.5px;margin-bottom:5px}
.adim p{font-size:15px;color:var(--metin-soluk);margin:0}

.metin{font-size:16.5px;line-height:1.8;color:#27344a}
.metin h2{font-size:24px;margin:1.6em 0 .5em}
.metin h3{font-size:19px;margin:1.4em 0 .4em}
.metin ul{padding-left:20px;margin:0 0 1.2em}
.metin li{margin-bottom:.42em}

.deger-liste{list-style:none;padding:0;margin:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.deger-liste li{display:flex;gap:10px;align-items:flex-start;background:var(--kagit);border:1px solid var(--cizgi);
  border-radius:10px;padding:12px 14px;font-size:15px}
.deger-liste svg{flex:0 0 18px;width:18px;height:18px;stroke:var(--yesil);fill:none;stroke-width:2.4;margin-top:3px}

/* --- Fotograf seridi ------------------------------------------------------- */
.foto-izgara{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.foto-izgara figure{margin:0;border-radius:12px;overflow:hidden;background:#dbe3ee;position:relative}
.foto-izgara img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.foto-izgara figure:hover img{transform:scale(1.05)}
.foto-izgara figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 9px;color:#fff;font-size:12.5px;
  background:linear-gradient(to top,rgba(8,20,38,.86),transparent)}

/* --- Yazi listesi ---------------------------------------------------------- */
.yazi-izgara{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.yazi-kart{background:var(--kagit);border:1px solid var(--cizgi);border-radius:14px;padding:22px;
  display:flex;flex-direction:column;gap:9px;transition:transform .2s,box-shadow .2s}
.yazi-kart:hover{transform:translateY(-4px);box-shadow:var(--golge-kalk)}
.yazi-kart .tarih{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--metin-soluk)}
.yazi-kart h3{font-size:19px}
.yazi-kart p{font-size:14.5px;color:var(--metin-soluk);margin:0}
.yazi-kart .oku{margin-top:auto;padding-top:8px;color:var(--kirmizi);font-weight:600;font-size:14px}

.makale{font-size:17px;line-height:1.82;color:#27344a}
.makale p{margin-bottom:1.1em}

/* --- Sozluk ---------------------------------------------------------------- */
.sozluk{display:grid;gap:10px}
.sozluk dt{font-weight:700;color:var(--lacivert-800);font-size:16px}
.sozluk dd{margin:0 0 14px;color:#33415a;font-size:15.5px;padding-bottom:14px;border-bottom:1px solid var(--cizgi)}

/* --- Form / iletisim ------------------------------------------------------- */
.iletisim-duzen{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(22px,4vw,52px);align-items:start}
.bilgi-liste{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.bilgi-liste li{display:flex;gap:14px;align-items:flex-start}
.bilgi-liste .simge{flex:0 0 42px;width:42px;height:42px;border-radius:10px;background:#eaf0f8;display:grid;place-items:center}
.bilgi-liste .simge svg{width:20px;height:20px;stroke:var(--lacivert-700);fill:none;stroke-width:1.8}
.bilgi-etiket{display:block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--metin-soluk);margin-bottom:2px}
.bilgi-deger{font-size:16px;font-weight:500}

.form-kutu{background:var(--kagit);border:1px solid var(--cizgi);border-radius:16px;padding:clamp(20px,3vw,32px);box-shadow:var(--golge)}
.form-satir{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.alan{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.alan label{font-size:13px;font-weight:600;color:var(--lacivert-800)}
.zorunlu{color:var(--kirmizi)}
.alan input,.alan select,.alan textarea{font:inherit;font-size:15px;padding:11px 13px;border:1px solid var(--cizgi);
  border-radius:8px;background:var(--zemin);color:var(--metin);width:100%;transition:border-color .18s,background .18s}
.alan textarea{min-height:130px;resize:vertical}
.alan input:focus,.alan select:focus,.alan textarea:focus{outline:none;border-color:var(--lacivert-600);background:#fff}
.alan .yardim{font-size:12.5px;color:var(--metin-soluk)}
.bildirim{padding:13px 15px;border-radius:9px;font-size:14.5px;margin-bottom:16px}
.bildirim-basarili{background:#e9f7ef;border:1px solid #bde3cd;color:#1c6b40}
.bildirim-hata{background:#fdecec;border:1px solid #f3c4c4;color:#a01c1c}

/* --- Alt bilgi ------------------------------------------------------------- */
.altbilgi{background:var(--lacivert-900);color:#a9bacd;padding-block:clamp(40px,5vw,60px) 0;font-size:14.5px}
.altbilgi a:hover{color:#fff}
.altbilgi .duzen{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:clamp(20px,3vw,40px)}
.altbilgi h4{color:#fff;font-family:var(--sans);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.altbilgi ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.altbilgi .tanit{margin:14px 0 0;max-width:40ch;color:#93a7c0}
.altbilgi .kapanis{margin-top:clamp(26px,4vw,42px);border-top:1px solid rgba(255,255,255,.12);padding-block:18px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7e93ac}

/* --- Yuzen dugme ----------------------------------------------------------- */
.yuzen{position:fixed;right:16px;bottom:16px;z-index:70}
.yuzen a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--kirmizi);
  box-shadow:var(--golge-kalk);transition:transform .18s}
.yuzen a:hover{transform:scale(1.06)}
.yuzen svg{width:24px;height:24px;fill:#fff}

/* =============================================================================
   Duyarli
   ============================================================================= */
@media (max-width:1080px){
  .urun-izgara,.kart-izgara,.yazi-izgara{grid-template-columns:repeat(2,1fr)}
  .foto-izgara{grid-template-columns:repeat(3,1fr)}
  .altbilgi .duzen{grid-template-columns:1fr 1fr}
  .serit .kapsayici{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media (max-width:920px){
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--cizgi);
    flex-direction:column;align-items:stretch;gap:0;padding:8px var(--kenar) 14px}
  .menu.acik{display:flex}
  .menu a{padding:13px 4px;border-radius:0;border-bottom:1px solid var(--cizgi)}
  .menu-dugme{display:block}
  .baslik .kapsayici{position:relative}
  .ustcta{display:none}
  .urun-duzen,.iletisim-duzen{grid-template-columns:1fr}
  .kahraman-duzen{grid-template-columns:1fr;gap:26px}
}
@media (max-width:640px){
  .urun-izgara,.kart-izgara,.yazi-izgara{grid-template-columns:1fr}
  .foto-izgara{grid-template-columns:repeat(2,1fr)}
  .form-satir{grid-template-columns:1fr}
  .altbilgi .duzen{grid-template-columns:1fr}
  .adim{grid-template-columns:1fr;gap:10px}
  .ustbant .sol .faks{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}