:root {
  --sayfa: #F6F6F6;
  --kart: #FFFFFF;
  --metin: #161616;
  --metin-ikincil: #636466;
  --ayirici: #E4E2E3;
  --dekoratif: #A9AAAC;
  --vurgu: #F44922;

  --baslik: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --govde: "Lato", "Helvetica Neue", Arial, sans-serif;

  --olcu: min(1120px, 100% - 2rem);
  --bosluk-bolum: clamp(3.5rem, 9vw, 7rem);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--sayfa);
  color: var(--metin);
  font-family: var(--govde);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--baslik); font-weight: 700; line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.4rem); letter-spacing: -0.015em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.ikincil { color: var(--metin-ikincil); }

img { max-width: 100%; height: auto; }

/* Genel baglanti govdesi — daha spesifik kurallar (.ust-bar nav a,
   .btn-birincil, .form-onay-satir label a) bunu ezer. Tarayicinin
   varsayilan mavi/mor rengi paletin yedi tonu disinda kaldigi icin her
   <a> etiketi acikca stillendirilir. */
a { color: var(--metin); text-decoration: underline; text-decoration-color: var(--vurgu); text-underline-offset: 2px; }
a:focus-visible { outline: 3px solid var(--vurgu); outline-offset: 2px; }

.kapsayici { width: var(--olcu); margin-inline: auto; }
section { padding-block: var(--bosluk-bolum); }
section + section { border-top: 1px solid var(--ayirici); }

.btn-birincil {
  display: inline-block;
  background: var(--vurgu);
  color: var(--metin);
  font-family: var(--baslik);
  font-weight: 700;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
.btn-birincil:hover { filter: brightness(0.94); }
.btn-birincil:focus-visible { outline: 3px solid var(--metin); outline-offset: 2px; }

.ust-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--sayfa);
  border-bottom: 1px solid var(--ayirici);
}
.ust-bar .kapsayici {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 68px;
}
.ust-bar nav { margin-left: auto; display: flex; gap: 1.25rem; flex-wrap: wrap; }
.ust-bar nav a { color: var(--metin); text-decoration: none; font-weight: 600; }
.ust-bar nav a:hover { text-decoration: underline; text-decoration-color: var(--vurgu); text-underline-offset: 4px; }
.logo { height: 34px; width: auto; }

footer { background: var(--kart); border-top: 1px solid var(--ayirici); padding-block: 2.5rem; }

@media (max-width: 640px) {
  .ust-bar nav { display: none; }
  .ust-bar-cta { margin-left: auto; }
}

.ust-etiket {
  font-family: var(--baslik);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--metin-ikincil);
  margin-bottom: 1rem;
}
.hero-govde { max-width: 62ch; }
.giris { font-size: 1.15rem; max-width: 60ch; }
#hero .btn-birincil { margin-top: 1rem; }

.kart-listesi {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 2.5rem;
}
.kart {
  background: var(--kart);
  border: 1px solid var(--ayirici);
  border-radius: 12px;
  padding: 1.5rem;
}
.kart h3 { margin-top: 0; }
.kart p { margin-bottom: 0; color: var(--metin-ikincil); }

.adim-listesi { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; gap: 1.75rem; }
.adim {
  background: var(--kart);
  border: 1px solid var(--ayirici);
  border-left: 4px solid var(--vurgu);
  border-radius: 12px;
  padding: 1.75rem;
  max-width: 72ch;
}
.adim-no {
  display: block;
  font-family: var(--baslik);
  font-size: 0.95rem;
  color: var(--vurgu);
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}
.adim h3 { margin-top: 0; }
.adim p { margin-bottom: 0; color: var(--metin-ikincil); }

/* Dekoratif ok, bolume degil KAPSAYICIYA gore konumlanir. Bolume gore
   konumlandirildiginda genis ekranlarda ekranin en sagina kaciyor ve metinle
   arasinda kopukluk olusuyordu. */
.ok-fon { position: relative; overflow: hidden; }
.ok-fon > .kapsayici { position: relative; z-index: 1; }
.ok-fon > .kapsayici::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  translate: 0 -50%;
  width: clamp(240px, 26vw, 420px);
  aspect-ratio: 484 / 532;
  background: url("assets/ikon.png") no-repeat center / contain;
  opacity: 0.07;
  pointer-events: none;
  z-index: -1;
}

@media (max-width: 860px) {
  .ok-fon > .kapsayici::after { display: none; }
}

.video-serit {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 240px);
  gap: 1rem;
  overflow-x: auto;
  padding-block: 2rem 1rem;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--dekoratif) transparent;
}
.video-kart {
  margin: 0;
  scroll-snap-align: start;
  background: var(--kart);
  border: 1px solid var(--ayirici);
  border-radius: 12px;
  overflow: hidden;
}
.video-kart video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: var(--metin);
}
.video-kart figcaption {
  font-family: var(--baslik);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
}
.referans-unvan {
  display: block;
  font-family: var(--govde);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--metin-ikincil);
}

.liste-basligi { font-family: var(--baslik); font-size: 0.9rem; margin: 1.25rem 0 0.4rem; }
.dahil, .haric { margin: 0; padding-left: 1.25rem; color: var(--metin-ikincil); }
.dahil li, .haric li { margin-bottom: 0.35rem; }
.dahil li::marker { color: var(--vurgu); }
.haric { list-style: none; padding-left: 0; }
.haric li { padding-left: 1.25rem; position: relative; }
.haric li::before { content: "—"; position: absolute; left: 0; }

.tablo-sarici { overflow-x: auto; margin-top: 2.5rem; }
.karsilastirma-tablosu {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}
.karsilastirma-tablosu th,
.karsilastirma-tablosu td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--ayirici);
  text-align: left;
  vertical-align: top;
}
.karsilastirma-tablosu thead th {
  font-family: var(--baslik);
  font-size: 0.95rem;
  border-bottom: 2px solid var(--ayirici);
}
.karsilastirma-tablosu tbody th {
  font-family: var(--baslik);
  white-space: nowrap;
}
.karsilastirma-tablosu td { color: var(--metin-ikincil); }
.karsilastirma-tablosu td a { color: var(--metin); text-decoration-color: var(--vurgu); text-underline-offset: 2px; }
.karsilastirma-tablosu thead th:last-child,
.karsilastirma-tablosu tbody td:last-child {
  background: var(--kart);
  border-top: 3px solid var(--vurgu);
}

.sss-listesi { margin-top: 2.5rem; max-width: 72ch; }
.sss-ogesi {
  background: var(--kart);
  border: 1px solid var(--ayirici);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}
.sss-ogesi summary { font-family: var(--baslik); font-weight: 700; cursor: pointer; }
.sss-ogesi summary:focus-visible { outline: 3px solid var(--vurgu); outline-offset: 3px; }
.sss-ogesi p { color: var(--metin-ikincil); margin: 0.75rem 0 0; }

#on-degerlendirme { max-width: 34rem; margin-top: 2rem; }
.form-alani { margin-bottom: 1.1rem; }
.form-alani label { display: block; font-family: var(--baslik); font-size: 0.95rem; margin-bottom: 0.35rem; }
.form-alani label .zorunlu { display: inline; font-family: var(--govde); font-weight: 400; font-size: 0.85em; color: var(--metin-ikincil); }
.form-alani input[type="text"],
.form-alani select,
.form-alani textarea {
  width: 100%;
  font: inherit;
  color: var(--metin);
  background: var(--kart);
  border: 1px solid var(--dekoratif);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
}
.form-alani input:focus-visible,
.form-alani select:focus-visible,
.form-alani textarea:focus-visible {
  outline: 3px solid var(--vurgu);
  outline-offset: 1px;
}
.form-alani input.alan-gecersiz,
.form-alani select.alan-gecersiz,
.form-alani textarea.alan-gecersiz {
  border-color: var(--vurgu);
}
.form-hata {
  color: var(--metin);
  font-size: 0.85rem;
  margin: 0.35rem 0 0;
}
.form-hata:empty { display: none; margin: 0; }
.form-onay-satir { display: flex; gap: 0.6rem; align-items: flex-start; }
.form-onay-satir label { font-family: var(--govde); font-size: 0.95rem; color: var(--metin-ikincil); }
.form-onay-satir input { margin-top: 0.3rem; }
.form-onay-satir input.alan-gecersiz { outline: 2px solid var(--vurgu); outline-offset: 2px; }
.form-onay-satir label .zorunlu { font-family: var(--govde); }
.form-onay-satir label a {
  color: var(--metin);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--vurgu);
  text-underline-offset: 2px;
}
.form-onay-satir label a:focus-visible {
  outline: 3px solid var(--vurgu);
  outline-offset: 2px;
}
.form-sonuc { margin-top: 1rem; color: var(--metin); font-weight: 700; }

.prototip-uyarisi {
  background: var(--kart);
  border: 1px solid var(--vurgu);
  border-left: 4px solid var(--vurgu);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
  max-width: 34rem;
}

.metin-sayfa { max-width: 72ch; padding-block: 3rem 4rem; }
.metin-sayfa h2 { margin-top: 2.25rem; font-size: 1.25rem; }
.metin-sayfa p { color: var(--metin-ikincil); }
.metin-sayfa a { color: var(--metin); text-decoration-color: var(--vurgu); text-underline-offset: 3px; }

.footer-kimlik {
  font-style: normal;
  margin-top: 1.25rem;
  color: var(--metin-ikincil);
  line-height: 1.8;
}
.footer-kimlik a { color: var(--metin); }
.footer-baglantilar { margin-top: 1rem; }
.footer-baglantilar a { color: var(--metin); text-decoration-color: var(--vurgu); text-underline-offset: 3px; }

.bal-kupu { display: none; }