/* Nowahalla Enterprise Group — kurumsal site stilleri
   Harici kaynak (font, betik, çerez) kullanılmaz; sistem yazı tipleri. */

:root {
  --zemin: #F4F6F5;
  --yuzey: #FFFFFF;
  --yuzey-2: #EDF2EF;
  --murekkep: #13201C;
  --ikincil: #46554F;
  --silik: #6B7973;
  --cizgi: #D8E0DC;
  --vurgu: #0F6E5F;
  --vurgu-koyu: #0A5347;
  --vurgu-yazi: #FFFFFF;
  --yayinda: #1D7A4E;
  --yayinda-bg: #E3F1E9;
  --gelistir: #85611A;
  --gelistir-bg: #F4EBD8;
  --golge: 0 1px 2px rgba(19, 32, 28, .05), 0 10px 28px rgba(19, 32, 28, .07);

  --f-baslik: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --f-govde: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --f-etiket: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;

  --kap: 1120px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --zemin: #0E1513;
    --yuzey: #141D1A;
    --yuzey-2: #1A2521;
    --murekkep: #E6EDEA;
    --ikincil: #B3C0BB;
    --silik: #8C9993;
    --cizgi: #27342F;
    --vurgu: #58B9A6;
    --vurgu-koyu: #88D0C2;
    --vurgu-yazi: #0B1412;
    --yayinda: #76D4A3;
    --yayinda-bg: #153020;
    --gelistir: #E1BD6C;
    --gelistir-bg: #2C2516;
    --golge: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px rgba(0, 0, 0, .28);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--zemin);
  color: var(--murekkep);
  font-family: var(--f-govde);
  font-size: 1.0625rem;
  line-height: 1.65;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--vurgu); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--vurgu-koyu); }
:focus-visible { outline: 3px solid var(--vurgu); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3 {
  font-family: var(--f-baslik);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--murekkep);
}

.kap { max-width: var(--kap); margin: 0 auto; padding: 0 24px; }

.atla {
  position: absolute; left: -9999px; top: 8px; z-index: 60;
  background: var(--vurgu); color: var(--vurgu-yazi);
  padding: 8px 14px; border-radius: 8px; text-decoration: none;
}
.atla:focus { left: 16px; color: var(--vurgu-yazi); }

.etiket {
  font-family: var(--f-etiket);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--vurgu);
  margin: 0 0 14px;
}

/* ---------- Üst şerit ---------- */
.ust {
  position: sticky; top: 0; z-index: 40;
  background: var(--zemin);
  border-bottom: 1px solid var(--cizgi);
}
.ust-ic { display: flex; align-items: center; gap: 20px; min-height: 68px; }

.marka {
  display: flex; align-items: center; gap: 10px;
  color: var(--murekkep); text-decoration: none;
  font-weight: 700; font-size: 1.125rem; letter-spacing: -.01em;
}
.marka:hover { color: var(--murekkep); }
.marka svg { width: 32px; height: 32px; flex: none; }
.m-zemin { fill: var(--vurgu); }
.m-harf { fill: none; stroke: var(--vurgu-yazi); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }

.menu { display: flex; gap: 2px; margin-left: auto; }
.menu a {
  color: var(--ikincil); text-decoration: none;
  font-size: .95rem; padding: 8px 12px; border-radius: 8px;
}
.menu a:hover { color: var(--murekkep); background: var(--yuzey-2); }

.dil {
  font-family: var(--f-etiket); font-size: .78rem; letter-spacing: .06em;
  color: var(--murekkep); text-decoration: none;
  border: 1px solid var(--cizgi); border-radius: 999px; padding: 5px 11px;
}
.dil:hover { border-color: var(--vurgu); color: var(--vurgu); }

.mobil-menu { display: none; position: relative; }
.mobil-menu summary {
  list-style: none; cursor: pointer;
  font-size: .9rem; color: var(--murekkep);
  border: 1px solid var(--cizgi); border-radius: 8px; padding: 7px 12px;
}
.mobil-menu summary::-webkit-details-marker { display: none; }
.mobil-menu nav {
  position: absolute; right: 0; top: calc(100% + 8px);
  display: grid; min-width: 210px; padding: 8px;
  background: var(--yuzey); border: 1px solid var(--cizgi);
  border-radius: 12px; box-shadow: var(--golge);
}
.mobil-menu nav a { padding: 10px 12px; border-radius: 8px; color: var(--murekkep); text-decoration: none; }
.mobil-menu nav a:hover { background: var(--yuzey-2); }

@media (max-width: 780px) {
  .menu { display: none; }
  .mobil-menu { display: block; margin-left: auto; }
}

/* ---------- Giriş ---------- */
.giris { padding: 72px 0 72px; }
.giris-ic { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.giris h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.12; margin: 0 0 20px; }
.giris .one { font-size: 1.15rem; color: var(--ikincil); max-width: 34em; margin: 0 0 30px; }

.dugmeler { display: flex; flex-wrap: wrap; gap: 12px; }
.dugme {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 46px; padding: 0 20px; border-radius: 10px;
  font-weight: 600; font-size: .98rem; text-decoration: none;
  border: 1px solid transparent;
}
.dugme-ana { background: var(--vurgu); color: var(--vurgu-yazi); }
.dugme-ana:hover { background: var(--vurgu-koyu); color: var(--vurgu-yazi); }
.dugme-cerceve { background: var(--yuzey); color: var(--murekkep); border-color: var(--cizgi); }
.dugme-cerceve:hover { border-color: var(--vurgu); color: var(--vurgu); }

/* Şirket kimlik kartı */
.kimlik {
  background: var(--yuzey); border: 1px solid var(--cizgi);
  border-radius: 16px; box-shadow: var(--golge); overflow: hidden;
}
.kimlik-bas {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 22px; background: var(--yuzey-2); border-bottom: 1px solid var(--cizgi);
}
.kimlik-bas h2 {
  font-family: var(--f-etiket); font-size: .74rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--silik); margin: 0;
}
.kimlik-bas span { font-family: var(--f-etiket); font-size: .72rem; color: var(--silik); }
.kimlik dl { margin: 0; padding: 4px 22px 10px; }
.kimlik .satir {
  display: grid; grid-template-columns: 7.2rem 1fr; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid var(--cizgi);
}
.kimlik .satir:last-child { border-bottom: 0; }
.kimlik dt {
  font-family: var(--f-etiket); font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--silik); padding-top: 3px;
}
.kimlik dd { margin: 0; font-size: .95rem; color: var(--murekkep); overflow-wrap: anywhere; }
.kimlik dd a { color: var(--murekkep); text-decoration: none; border-bottom: 1px solid var(--cizgi); }
.kimlik dd a:hover { color: var(--vurgu); border-color: var(--vurgu); }
.unvan { font-weight: 600; letter-spacing: .01em; line-height: 1.45; }
.sayi { font-variant-numeric: tabular-nums; }

@media (max-width: 920px) {
  .giris { padding: 48px 0 56px; }
  .giris-ic { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 480px) {
  .kimlik .satir { grid-template-columns: 1fr; gap: 2px; }
}

/* ---------- Bölümler ---------- */
.bolum { padding: 80px 0; border-top: 1px solid var(--cizgi); }
.bolum-bas { max-width: 680px; margin-bottom: 40px; }
.bolum-bas h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); line-height: 1.18; margin: 0 0 12px; }
.bolum-bas p { color: var(--ikincil); margin: 0; }
@media (max-width: 640px) { .bolum { padding: 56px 0; } }

/* Hakkımızda */
.hakkimizda-ic { display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: start; }
.metin p { margin: 0 0 16px; max-width: 38em; color: var(--ikincil); }
.metin p:first-child { color: var(--murekkep); font-size: 1.12rem; }
.odak { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 14px; padding: 24px; }
.odak h3 { font-size: 1.15rem; margin: 0 0 14px; }
.odak ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.odak li { display: flex; gap: 12px; color: var(--ikincil); }
.odak li::before {
  content: ""; flex: none; width: 8px; height: 8px; margin-top: .62em;
  border-radius: 2px; background: var(--vurgu);
}
@media (max-width: 920px) { .hakkimizda-ic { grid-template-columns: 1fr; gap: 28px; } }

/* Hizmetler */
.hizmetler { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hizmet { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 14px; padding: 24px; }
.hizmet svg {
  width: 28px; height: 28px; margin-bottom: 16px;
  fill: none; stroke: var(--vurgu); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}
.hizmet h3 { font-family: var(--f-govde); font-size: 1.05rem; font-weight: 650; letter-spacing: 0; margin: 0 0 8px; }
.hizmet p { margin: 0; color: var(--ikincil); font-size: .97rem; }
@media (max-width: 920px) { .hizmetler { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .hizmetler { grid-template-columns: 1fr; } }

/* Projeler */
.projeler { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.proje { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 16px; padding: 28px; }
.proje-one { grid-column: 1 / -1; display: grid; grid-template-columns: 1.3fr .7fr; gap: 32px; align-items: start; }
.proje h3 { font-size: 1.45rem; margin: 14px 0 10px; }
.proje-one h3 { font-size: clamp(1.7rem, 3vw, 2.2rem); }
.proje p { color: var(--ikincil); margin: 0 0 14px; }

.durum {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--f-etiket); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.durum::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.durum-yayinda { color: var(--yayinda); background: var(--yayinda-bg); }
.durum-gelistir { color: var(--gelistir); background: var(--gelistir-bg); }

.cipler { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.cipler li {
  font-size: .85rem; color: var(--ikincil);
  background: var(--zemin); border: 1px solid var(--cizgi); border-radius: 999px; padding: 4px 12px;
}

.proje-yan { border-left: 1px solid var(--cizgi); padding-left: 28px; }
.proje-yan dl { margin: 0 0 20px; display: grid; gap: 14px; }
.proje-yan dt {
  font-family: var(--f-etiket); font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--silik);
}
.proje-yan dd { margin: 2px 0 0; color: var(--murekkep); }

@media (max-width: 780px) {
  .projeler { grid-template-columns: 1fr; }
  .proje-one { grid-template-columns: 1fr; gap: 20px; }
  .proje-yan { border-left: 0; padding-left: 0; border-top: 1px solid var(--cizgi); padding-top: 20px; }
}

/* İletişim */
.iletisim-ic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.kanal {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 14px; padding: 24px;
}
.kanal h3 {
  font-family: var(--f-etiket); font-size: .74rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--silik); margin: 0 0 4px;
}
.kanal address { font-style: normal; color: var(--murekkep); }
.kanal .buyuk { font-size: 1.12rem; font-weight: 600; color: var(--murekkep); text-decoration: none; }
.kanal .buyuk:hover { color: var(--vurgu); }
.kanal .alt-baglanti { margin-top: auto; padding-top: 10px; font-size: .95rem; }
@media (max-width: 920px) { .iletisim-ic { grid-template-columns: 1fr; } }

/* ---------- Alt bilgi ---------- */
.alt { border-top: 1px solid var(--cizgi); padding: 36px 0 44px; color: var(--silik); font-size: .9rem; }
.alt-ic { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px 32px; }
.alt strong { display: block; color: var(--murekkep); font-weight: 600; }
.alt p { margin: 4px 0 0; }
.alt nav { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: flex-start; }
.alt a { color: var(--ikincil); }
.alt a:hover { color: var(--vurgu); }