/* ==========================================================================
   Altaylar Grup İnşaat — Kurumsal Tema
   Ana renk #35637d · Yardımcı renk #333333 · Zemin #eeeeee
   ========================================================================== */

/* --- 1. Değişkenler ------------------------------------------------------ */
:root {
  --ana:          #35637d;
  --ana-koyu:     #274a5e;
  --ana-derin:    #1c3746;
  --ana-acik:     #4b7d9a;
  --ana-solgun:   #e3ecf1;
  --ikincil:      #333333;
  --ikincil-acik: #555555;
  --zemin:        #eeeeee;
  --zemin-alt:    #e4e4e4;
  --beyaz:        #ffffff;
  --cizgi:        #d8dcdf;
  --metin:        #333333;
  --metin-soluk:  #6b7276;

  --golge-s:  0 2px 8px rgba(28, 55, 70, .07);
  --golge-o:  0 10px 30px rgba(28, 55, 70, .10);
  --golge-b:  0 24px 60px rgba(28, 55, 70, .18);

  --yuvarlak:    14px;
  --yuvarlak-s:  8px;
  --gecis:       .38s cubic-bezier(.22, .68, .36, 1);
  --gecis-hizli: .22s ease;

  --kap: 1220px;
  --bosluk-bolum: clamp(4.5rem, 9vw, 7.5rem);
}

/* --- 2. Sıfırlama & temel ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--zemin);
  color: var(--metin);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.menu-acik { overflow: hidden; }

h1, h2, h3, h4 {
  margin: 0 0 .6em;
  color: var(--ikincil);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -.02em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

/* .proje gibi display tanımlı sınıflar tarayıcının [hidden] kuralını
   ezdiği için filtrelemenin çalışması bu satıra bağlı. */
[hidden] { display: none !important; }

a { color: var(--ana); text-decoration: none; transition: color var(--gecis-hizli); }
a:hover { color: var(--ana-koyu); }

img, svg { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 3px solid var(--ana-acik);
  outline-offset: 3px;
  border-radius: 3px;
}

.kapsayici {
  width: min(100% - 2.5rem, var(--kap));
  margin-inline: auto;
}

.atla {
  position: absolute;
  left: -9999px;
  z-index: 999;
  background: var(--ana);
  color: #fff;
  padding: .8rem 1.4rem;
  border-radius: 0 0 var(--yuvarlak-s) 0;
}
.atla:focus { left: 0; top: 0; color: #fff; }

.ikon-set { position: absolute; width: 0; height: 0; overflow: hidden; }

.ikon {
  width: 1.05em;
  height: 1.05em;
  fill: currentColor;
  flex: none;
  vertical-align: -.15em;
}

/* --- 3. Okuma çizgisi (scroll ilerleme) ---------------------------------- */
.okuma-cizgisi {
  position: fixed;
  inset: 0 auto auto 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--ana), var(--ana-acik));
  z-index: 120;
  transition: width .1s linear;
  box-shadow: 0 0 12px rgba(53, 99, 125, .6);
}

/* --- 4. Üst şerit --------------------------------------------------------- */
.ust-serit {
  background: var(--ikincil);
  color: #cfd4d7;
  font-size: .84rem;
  transition: margin-top var(--gecis);
}
.ust-serit__ic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 42px;
  flex-wrap: wrap;
}
.ust-serit__bilgi { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.ust-serit__bilgi > * {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: #cfd4d7;
}
.ust-serit__bilgi a:hover { color: #fff; }
.ust-serit__sosyal { display: flex; gap: .35rem; }
.ust-serit__sosyal a {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  color: #cfd4d7;
  border-radius: 50%;
  transition: background var(--gecis-hizli), color var(--gecis-hizli), transform var(--gecis-hizli);
}
.ust-serit__sosyal a:hover {
  background: var(--ana);
  color: #fff;
  transform: translateY(-3px);
}

/* --- 5. Başlık / menü ----------------------------------------------------- */
.baslik {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--gecis), border-color var(--gecis), background var(--gecis);
}
.baslik.kucuk {
  box-shadow: var(--golge-o);
  border-bottom-color: var(--cizgi);
}
.baslik__ic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 86px;
  transition: min-height var(--gecis);
}
.baslik.kucuk .baslik__ic { min-height: 68px; }

.logo { display: inline-flex; align-items: center; gap: .7rem; color: var(--ikincil); }
.logo__isaret {
  display: flex; align-items: center;
  flex: none;
  transition: transform var(--gecis);
}
/* Ölçü doğrudan görselde: kapsayıcıya yüzde vermek grid/flex içinde çözülmüyor. */
.logo__isaret img { height: 54px; width: auto; transition: height var(--gecis); }
.baslik.kucuk .logo__isaret img { height: 44px; }
.logo:hover .logo__isaret { transform: scale(1.06); }
.logo__yazi { display: flex; flex-direction: column; line-height: 1.05; }
.logo__yazi strong { font-size: 1.22rem; letter-spacing: .1em; color: var(--ikincil); }
.logo__yazi small { font-size: .66rem; letter-spacing: .28em; color: var(--ana); font-weight: 600; }

.menu { display: flex; align-items: center; gap: 2rem; }
.menu > ul { display: flex; gap: .35rem; }

.menu__link {
  position: relative;
  display: block;
  padding: .55rem .9rem;
  color: var(--ikincil);
  font-weight: 600;
  font-size: .96rem;
  border-radius: var(--yuvarlak-s);
  transition: color var(--gecis-hizli);
}
.menu__link::after {
  content: "";
  position: absolute;
  left: .9rem;
  right: .9rem;
  bottom: .25rem;
  height: 2px;
  background: var(--ana);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--gecis);
}
.menu__link:hover { color: var(--ana); }
.menu__link:hover::after { transform: scaleX(1); transform-origin: left; }
.menu__link.is-active { color: var(--ana); }
.menu__link.is-active::after { transform: scaleX(1); }

.menu-dugmesi {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--cizgi);
  background: var(--beyaz);
  border-radius: var(--yuvarlak-s);
  cursor: pointer;
  padding: 0;
  place-items: center;
  gap: 5px;
  flex-direction: column;
}
.menu-dugmesi span {
  display: block;
  width: 20px; height: 2px;
  background: var(--ikincil);
  transition: transform var(--gecis), opacity var(--gecis-hizli);
}
.menu-dugmesi[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-dugmesi[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-dugmesi[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu-perde {
  position: fixed;
  inset: 0;
  background: rgba(28, 55, 70, .45);
  backdrop-filter: blur(2px);
  z-index: 98;
  opacity: 0;
  transition: opacity var(--gecis);
}
.menu-perde.gorunur { opacity: 1; }

/* --- 6. Butonlar ---------------------------------------------------------- */
.dugme {
  --dugme-renk: var(--ana);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .92rem 1.9rem;
  border: 2px solid var(--dugme-renk);
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--gecis-hizli), border-color var(--gecis-hizli),
              transform var(--gecis-hizli), box-shadow var(--gecis);
}
.dugme::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--dugme-renk);
  transform: translateY(101%);
  transition: transform var(--gecis);
}
.dugme:hover { transform: translateY(-3px); box-shadow: var(--golge-o); }
.dugme:hover::before { transform: translateY(0); }
.dugme:active { transform: translateY(-1px); }

.dugme--dolu { background: var(--ana); color: #fff; --dugme-renk: var(--ana); }
.dugme--dolu::before { background: var(--ikincil); transform: translateY(101%); }
.dugme--dolu:hover { color: #fff; border-color: var(--ikincil); }

.dugme--cerceve { background: transparent; color: var(--ana); }
.dugme--cerceve:hover { color: #fff; }

.dugme--beyaz { background: #fff; color: var(--ana); border-color: #fff; }
.dugme--beyaz::before { background: var(--ikincil); }
.dugme--beyaz:hover { color: #fff; border-color: var(--ikincil); }

.dugme--cerceve-beyaz { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.dugme--cerceve-beyaz::before { background: #fff; }
.dugme--cerceve-beyaz:hover { color: var(--ana); border-color: #fff; }

.dugme--kucuk { padding: .62rem 1.3rem; font-size: .87rem; }

.metin-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  color: var(--ana);
}
.metin-link .ikon { transition: transform var(--gecis); }
.metin-link:hover .ikon { transform: translateX(6px); }

/* --- 7. Bölüm başlıkları -------------------------------------------------- */
.bolum { padding-block: var(--bosluk-bolum); }
.bolum--acik { background: var(--beyaz); }
.bolum--zemin { background: var(--zemin); }
.bolum--koyu { background: var(--ikincil); color: #d6dadd; }
.bolum--koyu h2, .bolum--koyu h3 { color: #fff; }

.bolum-basi { max-width: 720px; margin-bottom: 3.2rem; }
.bolum-basi--orta { margin-inline: auto; text-align: center; }

.etiket {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ana);
  margin-bottom: 1rem;
}
.etiket::before {
  content: "";
  width: 30px; height: 2px;
  background: var(--ana);
}
.bolum-basi--orta .etiket::after {
  content: "";
  width: 30px; height: 2px;
  background: var(--ana);
}
.bolum--koyu .etiket { color: var(--ana-acik); }
.bolum--koyu .etiket::before, .bolum--koyu .etiket::after { background: var(--ana-acik); }

.bolum-basi p { color: var(--metin-soluk); font-size: 1.06rem; }
.bolum--koyu .bolum-basi p { color: #b8bfc4; }

/* --- 8. Hero -------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: grid;
  grid-template-rows: 1fr auto;   /* metin ortada, rakam şeridi en altta */
  align-items: center;
  overflow: hidden;
  background: var(--ana-derin);
  color: #fff;
}
.hero__fon {
  position: absolute;
  inset: -12% 0 -12% 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(75, 125, 154, .55), transparent 55%),
    linear-gradient(140deg, #1c3746 0%, #35637d 55%, #244a5f 100%);
  will-change: transform;
}
.hero__desen {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: radial-gradient(circle at 65% 45%, #000 10%, transparent 72%);
}
.hero__siluet {
  position: absolute;
  right: 0; bottom: 0; left: 0;
  height: 42%;
  opacity: .18;
  background: linear-gradient(transparent, rgba(0,0,0,.55));
  clip-path: polygon(0 62%, 7% 48%, 14% 55%, 21% 32%, 29% 40%, 36% 22%, 45% 34%, 53% 18%,
                     62% 30%, 70% 12%, 79% 26%, 88% 16%, 96% 30%, 100% 22%, 100% 100%, 0 100%);
}
.hero__ic {
  position: relative;
  z-index: 2;
  padding-block: clamp(5rem, 12vw, 8rem);
  max-width: 780px;
}
.hero__etiket {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  padding: .45rem 1.1rem;
  border-radius: 999px;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 600;
  backdrop-filter: blur(6px);
}
.hero h1 { color: #fff; margin-top: 1.4rem; }
.hero h1 em {
  font-style: normal;
  color: #a8cde2;
  position: relative;
}
.hero__ozet {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: rgba(255,255,255,.86);
  max-width: 610px;
  margin-bottom: 2.2rem;
}
.hero__dugmeler { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__rakamlar {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: rgba(255,255,255,.16);
  border-top: 1px solid rgba(255,255,255,.16);
}
.hero__rakam {
  background: rgba(28, 55, 70, .55);
  backdrop-filter: blur(6px);
  padding: 1.6rem 1.4rem;
  text-align: center;
  transition: background var(--gecis);
}
.hero__rakam:hover { background: rgba(53, 99, 125, .8); }
.hero__rakam b { display: block; font-size: 2rem; color: #fff; line-height: 1.1; }
.hero__rakam span { font-size: .82rem; color: rgba(255,255,255,.72); letter-spacing: .04em; }

.fare {
  position: absolute;
  left: 50%; bottom: 132px;
  transform: translateX(-50%);
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,.45);
  border-radius: 14px;
  z-index: 3;
}
.fare::after {
  content: "";
  position: absolute;
  left: 50%; top: 7px;
  width: 3px; height: 7px;
  margin-left: -1.5px;
  background: #fff;
  border-radius: 2px;
  animation: fare-kaydir 1.7s infinite;
}
@keyframes fare-kaydir {
  0% { opacity: 0; transform: translateY(0); }
  35% { opacity: 1; }
  100% { opacity: 0; transform: translateY(13px); }
}

/* --- 9. Sayfa üstü (iç sayfa hero) --------------------------------------- */
.sayfa-ustu {
  position: relative;
  overflow: hidden;
  background: var(--ana-derin);
  color: #fff;
}
.sayfa-ustu__fon {
  position: absolute;
  inset: -20% 0;
  background:
    radial-gradient(circle at 82% 20%, rgba(75,125,154,.5), transparent 58%),
    linear-gradient(120deg, #1c3746, #35637d 70%, #2b5468);
}
.sayfa-ustu__fon::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 75% 40%, #000, transparent 70%);
  opacity: .5;
}
.sayfa-ustu__ic {
  position: relative;
  z-index: 2;
  padding-block: clamp(3.4rem, 8vw, 6rem);
  max-width: 780px;
}
.sayfa-ustu__baslik { color: #fff; margin-bottom: .5rem; }
.sayfa-ustu__ozet { color: rgba(255,255,255,.82); font-size: 1.08rem; max-width: 620px; margin: 0; }

.iz-yolu {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  font-size: .86rem;
  margin-bottom: 1.2rem;
  color: rgba(255,255,255,.65);
}
.iz-yolu a { color: rgba(255,255,255,.8); }
.iz-yolu a:hover { color: #fff; text-decoration: underline; }
.iz-yolu [aria-current] { color: #a8cde2; }

/* --- 10. Kartlar ---------------------------------------------------------- */
.izgara { display: grid; gap: 1.8rem; }
.izgara--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.izgara--3 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.izgara--4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

.kart {
  position: relative;
  background: var(--beyaz);
  border: 1px solid var(--cizgi);
  border-radius: var(--yuvarlak);
  padding: 2.2rem 1.9rem;
  overflow: hidden;
  transition: transform var(--gecis), box-shadow var(--gecis), border-color var(--gecis);
}
.kart::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: var(--ana);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--gecis);
}
.kart:hover {
  transform: translateY(-8px);
  box-shadow: var(--golge-b);
  border-color: transparent;
}
.kart:hover::before { transform: scaleX(1); }

.kart__ikon {
  width: 58px; height: 58px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--ana-solgun);
  color: var(--ana);
  margin-bottom: 1.3rem;
  transition: background var(--gecis), color var(--gecis), transform var(--gecis);
}
.kart__ikon .ikon { width: 28px; height: 28px; }
.kart:hover .kart__ikon {
  background: var(--ana);
  color: #fff;
  transform: rotate(-6deg) scale(1.07);
}
.kart h3 { margin-bottom: .5rem; transition: color var(--gecis-hizli); }
.kart:hover h3 { color: var(--ana); }
.kart p { color: var(--metin-soluk); font-size: .96rem; margin: 0; }

/* --- 11. Proje kartı ------------------------------------------------------ */
.proje {
  position: relative;
  background: var(--beyaz);
  border-radius: var(--yuvarlak);
  overflow: hidden;
  box-shadow: var(--golge-s);
  transition: transform var(--gecis), box-shadow var(--gecis);
  display: flex;
  flex-direction: column;
}
.proje:hover { transform: translateY(-10px); box-shadow: var(--golge-b); }

.proje__gorsel {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ana-koyu);
}
.proje__gorsel img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s cubic-bezier(.2,.7,.3,1), filter var(--gecis);
}
.proje:hover .proje__gorsel img { transform: scale(1.1); filter: saturate(1.15); }

.proje__perde {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,55,70,.88), rgba(28,55,70,.15) 55%, transparent);
  opacity: .85;
  transition: opacity var(--gecis);
}
.proje:hover .proje__perde { opacity: 1; }

.proje__durum {
  position: absolute;
  top: 1rem; left: 1rem;
  z-index: 2;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem .85rem;
  border-radius: 999px;
  background: rgba(255,255,255,.94);
  color: var(--ana);
}
.proje__durum[data-durum="devam"]     { background: #f0a92c; color: #3a2a00; }
.proje__durum[data-durum="planlanan"] { background: var(--ikincil); color: #fff; }

.proje__konum {
  position: absolute;
  left: 1.4rem; bottom: 1.2rem;
  z-index: 2;
  color: #fff;
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .88rem;
  transform: translateY(0);
  transition: transform var(--gecis);
}
.proje:hover .proje__konum { transform: translateY(-4px); }

.proje__govde { padding: 1.5rem 1.6rem 1.7rem; display: flex; flex-direction: column; flex: 1; }
.proje__govde h3 { font-size: 1.22rem; margin-bottom: .45rem; transition: color var(--gecis-hizli); }
.proje:hover .proje__govde h3 { color: var(--ana); }
.proje__ozet { color: var(--metin-soluk); font-size: .94rem; flex: 1; }

.proje__kunye {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid var(--cizgi);
  font-size: .84rem;
  color: var(--metin-soluk);
}
.proje__kunye b { display: block; color: var(--ikincil); font-size: 1.05rem; }

.proje__baglanti { position: absolute; inset: 0; z-index: 3; }
.proje__baglanti span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* filtre çubuğu */
.filtre {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 2.6rem;
}
.filtre__dugme {
  padding: .58rem 1.4rem;
  border: 1px solid var(--cizgi);
  background: var(--beyaz);
  border-radius: 999px;
  font: inherit;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ikincil);
  cursor: pointer;
  transition: all var(--gecis-hizli);
}
.filtre__dugme:hover { border-color: var(--ana); color: var(--ana); transform: translateY(-2px); }
.filtre__dugme.is-active { background: var(--ana); border-color: var(--ana); color: #fff; }

/* --- 12. Proje detay ------------------------------------------------------ */
.detay-izgara {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 1fr);
  gap: 3rem;
  align-items: start;
}
.detay__gorsel {
  border-radius: var(--yuvarlak);
  overflow: hidden;
  box-shadow: var(--golge-o);
  margin-bottom: 2.2rem;
}
.detay__gorsel img { width: 100%; }

.yan-kutu {
  background: var(--beyaz);
  border: 1px solid var(--cizgi);
  border-radius: var(--yuvarlak);
  padding: 1.8rem;
  position: sticky;
  top: 110px;
}
.yan-kutu h3 { font-size: 1.1rem; }
.kunye-liste { display: grid; gap: .1rem; }
.kunye-liste li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .7rem 0;
  border-bottom: 1px dashed var(--cizgi);
  font-size: .93rem;
}
.kunye-liste li:last-child { border-bottom: 0; }
.kunye-liste span { color: var(--metin-soluk); }
.kunye-liste b { color: var(--ikincil); }

.ozellik-liste { display: grid; gap: .7rem; margin: 1.4rem 0 0; }
.ozellik-liste li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .95rem;
}
.ozellik-liste .ikon { color: var(--ana); margin-top: .35em; }

/* --- 13. Ekip kartı ------------------------------------------------------- */
.kisi {
  position: relative;
  background: var(--beyaz);
  border-radius: var(--yuvarlak);
  overflow: hidden;
  box-shadow: var(--golge-s);
  transition: transform var(--gecis), box-shadow var(--gecis);
}
.kisi:hover { transform: translateY(-10px); box-shadow: var(--golge-b); }

.kisi__gorsel {
  position: relative;
  aspect-ratio: 5 / 6;
  overflow: hidden;
  background: var(--ana-koyu);
}
.kisi__gorsel img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(.2,.7,.3,1), filter var(--gecis);
}
.kisi:hover .kisi__gorsel img { transform: scale(1.07); }

.kisi__perde {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28,55,70,.92), rgba(28,55,70,.1) 60%, transparent);
  opacity: 0;
  transition: opacity var(--gecis);
  display: flex;
  align-items: flex-end;
  padding: 1.4rem;
}
.kisi:hover .kisi__perde { opacity: 1; }
.kisi__perde p {
  color: rgba(255,255,255,.9);
  font-size: .9rem;
  margin: 0;
  transform: translateY(14px);
  transition: transform var(--gecis) .06s;
}
.kisi:hover .kisi__perde p { transform: translateY(0); }

.kisi__sosyal {
  position: absolute;
  top: 1rem; right: 1rem;
  display: grid;
  gap: .45rem;
  z-index: 3;
}
.kisi__sosyal a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.94);
  color: var(--ana);
  border-radius: 50%;
  opacity: 0;
  transform: translateX(14px);
  transition: opacity var(--gecis), transform var(--gecis), background var(--gecis-hizli), color var(--gecis-hizli);
}
.kisi:hover .kisi__sosyal a { opacity: 1; transform: translateX(0); }
.kisi:hover .kisi__sosyal a:nth-child(2) { transition-delay: .07s; }
.kisi__sosyal a:hover { background: var(--ana); color: #fff; }

.kisi__govde { padding: 1.3rem 1.5rem 1.6rem; text-align: center; }
.kisi__govde h3 { font-size: 1.12rem; margin-bottom: .2rem; transition: color var(--gecis-hizli); }
.kisi:hover .kisi__govde h3 { color: var(--ana); }
.kisi__unvan {
  color: var(--ana);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 0;
}

/* --- 14. Sayaçlar --------------------------------------------------------- */
.sayac-serit { background: var(--ana); color: #fff; }
.sayac {
  text-align: center;
  padding: 1rem;
  position: relative;
}
.sayac + .sayac::before {
  content: "";
  position: absolute;
  left: 0; top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,.2);
}
.sayac b {
  display: block;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1;
  color: #fff;
  font-weight: 700;
  letter-spacing: -.03em;
}
.sayac span { font-size: .92rem; color: rgba(255,255,255,.78); }

/* --- 15. Süreç adımları --------------------------------------------------- */
.surec { display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.adim {
  position: relative;
  background: var(--beyaz);
  border: 1px solid var(--cizgi);
  border-radius: var(--yuvarlak);
  padding: 2.4rem 1.8rem 1.9rem;
  transition: transform var(--gecis), box-shadow var(--gecis), background var(--gecis);
  overflow: hidden;
}
.adim__no {
  position: absolute;
  top: .4rem; right: 1.1rem;
  font-size: 3.6rem;
  font-weight: 800;
  color: var(--zemin-alt);
  line-height: 1;
  transition: color var(--gecis), transform var(--gecis);
}
.adim:hover { transform: translateY(-6px); box-shadow: var(--golge-o); }
.adim:hover .adim__no { color: var(--ana-solgun); transform: scale(1.08); }
.adim h3 { font-size: 1.12rem; position: relative; }
.adim p { color: var(--metin-soluk); font-size: .95rem; margin: 0; }
.adim::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--ana);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--gecis);
}
.adim:hover::after { transform: scaleY(1); }

/* --- 16. Hakkımızda görsel bloğu ----------------------------------------- */
.ikili {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.ikili__gorsel {
  position: relative;
  border-radius: var(--yuvarlak);
  overflow: hidden;
  box-shadow: var(--golge-b);
}
.ikili__gorsel img { width: 100%; transition: transform 1.2s cubic-bezier(.2,.7,.3,1); }
.ikili__gorsel:hover img { transform: scale(1.06); }

.rozet {
  position: absolute;
  right: -10px; bottom: 24px;
  background: var(--ana);
  color: #fff;
  padding: 1.2rem 1.6rem;
  border-radius: var(--yuvarlak-s);
  box-shadow: var(--golge-o);
  text-align: center;
}
.rozet b { display: block; font-size: 2.1rem; line-height: 1; color: #fff; }
.rozet span { font-size: .8rem; letter-spacing: .05em; opacity: .85; }

.olcut-liste { display: grid; gap: 1rem; margin: 1.8rem 0 2.2rem; }
.olcut-liste li {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  font-size: 1rem;
}
.olcut-liste .ikon {
  color: var(--ana);
  background: var(--ana-solgun);
  width: 26px; height: 26px;
  padding: 5px;
  border-radius: 50%;
  margin-top: .2em;
  transition: transform var(--gecis-hizli), background var(--gecis-hizli), color var(--gecis-hizli);
}
.olcut-liste li:hover .ikon { background: var(--ana); color: #fff; transform: scale(1.12) rotate(-8deg); }

/* --- 17. Değerler / SSS --------------------------------------------------- */
.deger {
  padding: 1.9rem 1.7rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--yuvarlak);
  transition: background var(--gecis), transform var(--gecis), border-color var(--gecis);
}
.deger:hover {
  background: rgba(255,255,255,.09);
  border-color: var(--ana-acik);
  transform: translateY(-6px);
}
.deger h3 { font-size: 1.1rem; margin-bottom: .4rem; }
.deger p { font-size: .94rem; margin: 0; color: #b8bfc4; }

.sss-liste { display: grid; gap: .9rem; max-width: 860px; margin-inline: auto; }
.sss-ogesi {
  background: var(--beyaz);
  border: 1px solid var(--cizgi);
  border-radius: var(--yuvarlak-s);
  overflow: hidden;
  transition: box-shadow var(--gecis), border-color var(--gecis);
}
.sss-ogesi[open] { box-shadow: var(--golge-o); border-color: var(--ana); }
.sss-ogesi summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 3.2rem 1.15rem 1.5rem;
  font-weight: 600;
  color: var(--ikincil);
  position: relative;
  transition: color var(--gecis-hizli), background var(--gecis-hizli);
}
.sss-ogesi summary::-webkit-details-marker { display: none; }
.sss-ogesi summary:hover { color: var(--ana); background: var(--ana-solgun); }
.sss-ogesi summary::after {
  content: "";
  position: absolute;
  right: 1.4rem; top: 50%;
  width: 11px; height: 11px;
  margin-top: -7px;
  border-right: 2px solid var(--ana);
  border-bottom: 2px solid var(--ana);
  transform: rotate(45deg);
  transition: transform var(--gecis);
}
.sss-ogesi[open] summary::after { transform: rotate(-135deg); margin-top: -3px; }
.sss-govde { padding: 0 1.5rem 1.3rem; color: var(--metin-soluk); font-size: .96rem; }

/* --- 18. Referanslar ------------------------------------------------------ */
.referans {
  background: var(--beyaz);
  border-radius: var(--yuvarlak);
  padding: 2.2rem 1.9rem;
  border: 1px solid var(--cizgi);
  position: relative;
  transition: transform var(--gecis), box-shadow var(--gecis);
}
.referans::before {
  content: "”";
  position: absolute;
  top: -.35em; right: .5rem;
  font-size: 6rem;
  color: var(--ana-solgun);
  line-height: 1;
  font-family: Georgia, serif;
  transition: color var(--gecis);
}
.referans:hover { transform: translateY(-8px); box-shadow: var(--golge-b); }
.referans:hover::before { color: var(--ana); opacity: .28; }
.referans p { position: relative; font-size: 1rem; font-style: italic; color: var(--ikincil-acik); }
.referans__kisi { display: flex; align-items: center; gap: .9rem; margin-top: 1.4rem; }
.referans__avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--ana);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: .95rem;
}
.referans__kisi b { display: block; color: var(--ikincil); font-size: .98rem; }
.referans__kisi small { color: var(--metin-soluk); }

/* --- 19. CTA şerit -------------------------------------------------------- */
.cta-serit {
  background: linear-gradient(120deg, var(--ana-derin), var(--ana) 65%, var(--ana-koyu));
  color: #fff;
  padding-block: clamp(3rem, 6vw, 4.6rem);
  position: relative;
  overflow: hidden;
}
.cta-serit::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 85% 30%, #000, transparent 65%);
  opacity: .5;
  pointer-events: none;
}
.cta-serit__ic {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.4rem;
  flex-wrap: wrap;
}
.cta-serit h2 { color: #fff; margin-bottom: .35rem; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta-serit p { color: rgba(255,255,255,.82); margin: 0; max-width: 620px; }
.cta-serit__dugmeler { display: flex; gap: 1rem; flex-wrap: wrap; }

/* --- 20. İletişim --------------------------------------------------------- */
.iletisim-izgara {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
  gap: 3rem;
  align-items: start;
}
.form-kutu {
  background: var(--beyaz);
  border-radius: var(--yuvarlak);
  padding: clamp(1.7rem, 3vw, 2.6rem);
  box-shadow: var(--golge-o);
}
.form-satir { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
.alan { margin-bottom: 1.2rem; position: relative; }
.alan label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .45rem;
  color: var(--ikincil);
}
.alan label span { color: #c0392b; }
.alan input, .alan select, .alan textarea {
  width: 100%;
  padding: .85rem 1rem;
  border: 1.5px solid var(--cizgi);
  border-radius: var(--yuvarlak-s);
  background: var(--zemin);
  font: inherit;
  font-size: .96rem;
  color: var(--ikincil);
  transition: border-color var(--gecis-hizli), background var(--gecis-hizli), box-shadow var(--gecis-hizli);
}
.alan textarea { resize: vertical; min-height: 150px; }
.alan input:hover, .alan select:hover, .alan textarea:hover { border-color: var(--ana-acik); }
.alan input:focus, .alan select:focus, .alan textarea:focus {
  outline: none;
  border-color: var(--ana);
  background: var(--beyaz);
  box-shadow: 0 0 0 4px rgba(53, 99, 125, .13);
}
.alan--hata input, .alan--hata select, .alan--hata textarea { border-color: #c0392b; background: #fdf3f2; }
.alan__hata { display: block; color: #c0392b; font-size: .83rem; margin-top: .35rem; }
.bal-kupu { position: absolute; left: -9999px; opacity: 0; }

.onay {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  font-size: .89rem;
  color: var(--metin-soluk);
  margin-bottom: 1.4rem;
}
.onay input { width: auto; margin-top: .25rem; accent-color: var(--ana); }

.bildirim {
  display: flex;
  gap: .8rem;
  padding: 1rem 1.2rem;
  border-radius: var(--yuvarlak-s);
  margin-bottom: 1.6rem;
  font-size: .95rem;
  border-left: 4px solid;
  animation: bildirim-gir .5s var(--gecis) both;
}
.bildirim--basarili { background: #eaf5ef; border-color: #2e7d5b; color: #1d4f39; }
.bildirim--hata { background: #fdf1f0; border-color: #c0392b; color: #8d281c; }
@keyframes bildirim-gir {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: none; }
}

.iletisim-kutu {
  display: flex;
  gap: 1.1rem;
  padding: 1.5rem;
  background: var(--beyaz);
  border: 1px solid var(--cizgi);
  border-radius: var(--yuvarlak);
  margin-bottom: 1.1rem;
  transition: transform var(--gecis), box-shadow var(--gecis), border-color var(--gecis);
}
.iletisim-kutu:hover {
  transform: translateX(6px);
  box-shadow: var(--golge-o);
  border-color: var(--ana);
}
.iletisim-kutu__ikon {
  width: 46px; height: 46px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--ana-solgun);
  color: var(--ana);
  transition: background var(--gecis), color var(--gecis);
}
.iletisim-kutu:hover .iletisim-kutu__ikon { background: var(--ana); color: #fff; }
.iletisim-kutu__ikon .ikon { width: 22px; height: 22px; }
.iletisim-kutu h3 { font-size: 1rem; margin-bottom: .25rem; }
.iletisim-kutu p, .iletisim-kutu a { font-size: .95rem; color: var(--metin-soluk); margin: 0; }
.iletisim-kutu a:hover { color: var(--ana); }

.harita {
  border-radius: var(--yuvarlak);
  overflow: hidden;
  box-shadow: var(--golge-o);
  border: 1px solid var(--cizgi);
  background: var(--beyaz);
}
.harita iframe { display: block; width: 100%; height: 420px; border: 0; filter: grayscale(.35); transition: filter var(--gecis); }
.harita:hover iframe { filter: grayscale(0); }

/* --- 21. Alt bilgi -------------------------------------------------------- */
.alt-bilgi { background: var(--ikincil); color: #a9b0b5; font-size: .95rem; }
.alt-bilgi__grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.5fr) repeat(auto-fit, minmax(170px, 1fr));
  gap: 2.6rem;
  padding-block: clamp(3rem, 6vw, 4.4rem);
}
.alt-bilgi h3 {
  color: #fff;
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 1.3rem;
  position: relative;
  padding-bottom: .7rem;
}
.alt-bilgi h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 34px; height: 2px;
  background: var(--ana-acik);
  transition: width var(--gecis);
}
.alt-bilgi__sutun:hover h3::after { width: 60px; }
.alt-bilgi__kurum p { max-width: 380px; font-size: .93rem; }
.logo--alt { margin-bottom: 1.2rem; }
.logo--alt .logo__yazi strong { color: #fff; }
.logo--alt .logo__yazi small { color: var(--ana-acik); }
/* Koyu zeminde işaretin lacivert bölümleri kaybolmasın diye açık altlık. */
.logo--alt .logo__isaret {
  padding: 7px 9px;
  background: #fff;
  border-radius: 12px;
}
.logo--alt .logo__isaret img { height: 48px; }

.alt-bilgi__sutun li { margin-bottom: .6rem; }
.alt-bilgi__sutun a {
  color: #a9b0b5;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: color var(--gecis-hizli), transform var(--gecis-hizli), padding-left var(--gecis-hizli);
}
.alt-bilgi__sutun a::before {
  content: "";
  width: 0; height: 1px;
  background: var(--ana-acik);
  transition: width var(--gecis);
}
.alt-bilgi__sutun a:hover { color: #fff; }
.alt-bilgi__sutun a:hover::before { width: 12px; }

.alt-bilgi__iletisim li { display: flex; gap: .7rem; align-items: flex-start; margin-bottom: .9rem; }
.alt-bilgi__iletisim .ikon { color: var(--ana-acik); margin-top: .35em; }

.alt-bilgi__sosyal { display: flex; gap: .55rem; margin-top: 1.4rem; }
.alt-bilgi__sosyal a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  color: #a9b0b5;
  transition: all var(--gecis-hizli);
}
.alt-bilgi__sosyal a:hover {
  background: var(--ana);
  border-color: var(--ana);
  color: #fff;
  transform: translateY(-4px) rotate(6deg);
}

.alt-bilgi__telif { border-top: 1px solid rgba(255,255,255,.1); font-size: .87rem; }
.alt-bilgi__telif-ic {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 1.3rem;
}
.alt-bilgi__telif p { margin: 0; }

/* --- 22. Yukarı dön ------------------------------------------------------- */
.yukari-dugmesi {
  position: fixed;
  right: 1.6rem; bottom: 1.6rem;
  width: 48px; height: 48px;
  border: 0;
  border-radius: 50%;
  background: var(--ana);
  color: #fff;
  cursor: pointer;
  display: grid; place-items: center;
  box-shadow: var(--golge-o);
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px) scale(.85);
  transition: all var(--gecis);
  z-index: 90;
}
.yukari-dugmesi svg { width: 22px; fill: currentColor; }
.yukari-dugmesi.gorunur { opacity: 1; visibility: visible; transform: none; }
.yukari-dugmesi:hover { background: var(--ikincil); transform: translateY(-4px); }

/* --- 23. Scroll animasyonları -------------------------------------------- */
[data-anim] {
  opacity: 0;
  transition: opacity .85s cubic-bezier(.22,.68,.36,1),
              transform .85s cubic-bezier(.22,.68,.36,1);
  will-change: opacity, transform;
}
[data-anim="yukari"]  { transform: translateY(46px); }
[data-anim="sol"]     { transform: translateX(-52px); }
[data-anim="sag"]     { transform: translateX(52px); }
[data-anim="buyu"]    { transform: scale(.9); }
[data-anim="belir"]   { transform: none; }
[data-anim="egik"]    { transform: translateY(40px) rotateX(12deg); transform-origin: top; }

[data-anim].gorundu {
  opacity: 1;
  transform: none;
}

/* Kademeli gecikme (JS ile atanan --sira değişkeni) */
[data-anim] { transition-delay: calc(var(--sira, 0) * 95ms); }

/* Başlık kelime kelime beliren efekt */
.parca { display: inline-block; overflow: hidden; vertical-align: bottom; }
.parca > span {
  display: inline-block;
  transform: translateY(105%);
  transition: transform .9s cubic-bezier(.22,.68,.36,1);
  transition-delay: calc(var(--k, 0) * 70ms);
}
.yuklendi .parca > span { transform: none; }

/* --- 24. Duyarlılık ------------------------------------------------------- */
@media (max-width: 1024px) {
  .detay-izgara, .iletisim-izgara { grid-template-columns: 1fr; }
  .yan-kutu { position: static; }
}

@media (max-width: 860px) {
  .menu-dugmesi { display: flex; }
  .menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(85vw, 340px);
    background: var(--beyaz);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: .4rem;
    padding: 6.5rem 1.6rem 2rem;
    transform: translateX(105%);
    transition: transform var(--gecis);
    box-shadow: -20px 0 60px rgba(28,55,70,.2);
    z-index: 99;
    overflow-y: auto;
  }
  .menu.acik { transform: none; }
  .menu > ul { flex-direction: column; gap: 0; }
  .menu__link {
    padding: .95rem .6rem;
    border-bottom: 1px solid var(--cizgi);
    border-radius: 0;
    font-size: 1.05rem;
  }
  .menu__link::after { display: none; }
  .menu__link.is-active { background: var(--ana-solgun); padding-left: 1rem; }
  .menu__cta { margin-top: 1.4rem; }
  .gizle-mobil { display: none !important; }
  .ust-serit__bilgi { gap: 1rem; font-size: .8rem; }
  .fare { display: none; }
  .sayac + .sayac::before { display: none; }
  .rozet { right: 12px; }
}

@media (max-width: 560px) {
  .ust-serit__sosyal { display: none; }
  .hero { min-height: auto; }
  .hero__dugmeler .dugme { width: 100%; }
  .cta-serit__dugmeler { width: 100%; }
  .cta-serit__dugmeler .dugme { flex: 1; }
  .alt-bilgi__grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* --- 25. Erişilebilirlik / yazdırma -------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  [data-anim] { opacity: 1 !important; transform: none !important; }
  .parca > span { transform: none !important; }
}

@media print {
  .ust-serit, .baslik, .cta-serit, .yukari-dugmesi, .okuma-cizgisi, .menu-perde { display: none !important; }
  body { background: #fff; }
  [data-anim] { opacity: 1 !important; transform: none !important; }
}