html { scroll-behavior: smooth; }
body { font-family: 'Poppins', sans-serif; }

/* Kaydırma çubuğu her zaman görünsün (yer ayır) */
html { overflow-y: scroll; }

::-webkit-scrollbar { width: 18px; }
::-webkit-scrollbar-track { background: #e8eef4; }
::-webkit-scrollbar-thumb { background: #469ad5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #123c62; }
html { scrollbar-color: #469ad5 #e8eef4; }
/* ===== HEADER ===== */
/* Başlangıçta şeffaf, aşağı kaydırınca beyaz olacak */
.site-header { transition: background-color .35s ease, box-shadow .35s ease; }
.site-header.scrolled {
  background-color: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
/* Beyaz logo (hero'da) vs orijinal logo (kaydırınca) */
.logo-white { display: block; }
.logo-color { display: none; }
.site-header.scrolled .logo-white { display: none; }
.site-header.scrolled .logo-color { display: block; }
/* Kaydırınca yazı/ikon renkleri koyulaşsın */
.site-header.scrolled .nav-text { color: #123c62; }

/* Geçici: beyaz logo dosyası gelene kadar orijinal logoyu beyaza çeviriyoruz.
   Beyaz logo (logo-white.png) hazır olunca .logo-white img'in src'sini değiştir
   ve aşağıdaki filter satırını sil. */
.logo-white { filter: brightness(0) invert(1); }

/* ===== SLAYT GEÇİŞLERİ (fade) ===== */
.slide {
  opacity: 0; visibility: hidden;
  transition: opacity .9s ease, visibility .9s ease;
}
.slide.active { opacity: 1; visibility: visible; }
/* Aktif slaytın yazısı hafif yukarı kaysın */
.slide h1 { transform: translateY(20px); opacity: 0; transition: transform .8s ease .3s, opacity .8s ease .3s; }
.slide.active h1 { transform: translateY(0); opacity: 1; }

/* ===== SLIDER OK & ÇİZGİLER ===== */
.slider-line { background: rgba(255,255,255,.35); transition: background-color .3s ease, height .3s ease; }
.slider-line.active { background: #89b931; }
.slider-arrow {
  transition: background-color .25s ease, border-color .25s ease;
}
.slider-arrow:hover { background-color: rgba(255,255,255,.15); }

/* ===== ALT KUTULAR (hover'da arkaplan resmi) ===== */
.urun-box { position: relative; overflow: hidden; }
.urun-box .bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.08);
  transition: opacity .5s ease, transform .6s ease;
}
.urun-box:hover .bg { opacity: 1; transform: scale(1); }
.urun-box .overlay {
  position: absolute; inset: 0;
  background: rgba(18,60,98,.0);
  transition: background-color .4s ease;
}
.urun-box:hover .overlay { background: rgba(18,60,98,.72); }
.urun-box .content { position: relative; z-index: 2; }

/* ===== AÇILIR MENÜ (sağdan slide) ===== */
.side-menu {
  transition: transform .5s cubic-bezier(.7,0,.2,1);
  transform: translateX(100%);
}
.side-menu.open { transform: translateX(0); }
.menu-overlay { transition: opacity .4s ease; }

.submenu {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease;
}
.menu-item.open .submenu { max-height: 320px; }
.menu-item.open .plus { transform: rotate(45deg); }
.plus { transition: transform .3s ease; }



/* ================= 2. SECTION - BİZ KİMİZ ================= */
.about-section {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  padding: 100px 24px;
  display: flex;
  align-items: center;
  background: #ffffff;
}

/* Arkaplan watermark - büyük prekon logosu (CSS-only paralax) */
.about-watermark {
  position: absolute;
  top: -140px;
  left: 0;
  right: 0;
  bottom: -140px;                 /* section'dan taşsın ki kayarken kenarda boşluk olmasın */
  background-image: url('../img/prekon-watermark.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: min(1100px, 90%) auto;
  opacity: 0.06;
  z-index: 0;
  pointer-events: none;
  will-change: transform;         /* akıcı hareket için */
}

.about-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 80px;
  flex-wrap: wrap;
}

/* Sol görsel */
.about-image { flex: 0 0 440px; max-width: 100%; }
.about-image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .12);
}

/* Sağ içerik */
.about-content { flex: 1; min-width: 300px; }

.about-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  color: #123c62;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.about-line { width: 45px; height: 2px; background: #123c62; display: inline-block; }

.about-text {
  font-size: 20px;
  line-height: 1.7;
  color: #555;
  margin-bottom: 36px;
  max-width: 640px;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: #123c62;
  color: #fff;
  text-decoration: none;
  padding: 16px 28px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: background-color .3s ease, transform .3s ease;
}
.about-btn:hover { background: #469ad5; transform: translateX(4px); }
.about-btn-arrow { font-size: 18px; line-height: 1; }

/* Mobil */
@media (max-width: 860px) {
  .about-section { padding: 70px 20px; }
  .about-container { gap: 40px; }
  .about-image { flex: 0 0 100%; }
  .about-text { font-size: 17px; }
  .about-watermark { background-attachment: scroll; }
}

/* ================= 3. SECTION - PROJELERİMİZ ================= */
.projects-section {
  background: #f3f5f7;
  padding: 60px 0;
  overflow: hidden;
}
.projects-head { padding: 0 20px; margin: 0 auto 28px; }
.section-eyebrow {
  display: flex; align-items: center; gap: 14px;
  color: #123c62; font-size: 13px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px;
}
.eyebrow-line { width: 45px; height: 2px; background: #89b931; display: inline-block; }
.projects-title {
  font-size: 20px; line-height: 1.45; font-weight: 600; color: #123c62;
}

/* --- MOBİL VARSAYILAN: parmakla kaydırılan şerit --- */
.projects-slider { display: block; width: 100%; }
.projects-viewport {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.projects-viewport::-webkit-scrollbar { display: none; }
.projects-track {
  display: flex;
  gap: 14px;
  padding: 0 20px;
  width: max-content;
}
.proj-arrow { display: none; }

.project-card {
  flex: 0 0 auto;
  width: 78vw;
  scroll-snap-align: center;
  background: #fff;
  box-shadow: 0 10px 30px rgba(18,60,98,.08);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease;
}
.project-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.project-img img {
  width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease;
}
.project-body { padding: 18px; border-top: 4px solid #123c62; }
.accent-1 .project-body { border-top-color: #123c62; }
.accent-2 .project-body { border-top-color: #469ad5; }
.accent-3 .project-body { border-top-color: #89b931; }
.project-cat {
  display: inline-block; font-size: 12px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px;
}
.accent-1 .project-cat { color: #123c62; }
.accent-2 .project-cat { color: #469ad5; }
.accent-3 .project-cat { color: #89b931; }
.project-name { font-size: 17px; font-weight: 600; color: #1f2937; line-height: 1.35; }

/* --- TABLET ve ÜSTÜ: klasik slider --- */
@media (min-width: 641px) {
  .projects-section {
    min-height: 100vh;
    padding: 100px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .projects-head { max-width: 1280px; margin: 0 auto 50px; padding: 0; }
  .projects-title { font-size: 30px; line-height: 1.4; max-width: 720px; }

  .projects-slider {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
  }
  .projects-viewport {
    overflow: hidden;
    flex: 1;
    scroll-snap-type: none;
  }
  .projects-track {
    gap: 26px;
    padding: 0;
    width: auto;
    transition: transform .6s cubic-bezier(.65,0,.35,1);
  }
  .proj-arrow {
    display: flex;
    flex: 0 0 auto;
    width: 54px; height: 54px;
    border-radius: 50%;
    border: none;
    background: #123c62;
    color: #fff;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color .3s ease, transform .3s ease;
  }
  .proj-arrow:hover { background: #89b931; transform: scale(1.06); }

  .project-card {
    flex: 0 0 calc((100% - 26px) / 2);
    width: auto;
    scroll-snap-align: none;
  }
  .project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 45px rgba(18,60,98,.18);
  }
  .project-card:hover .project-img img { transform: scale(1.07); }
  .project-body { padding: 24px 24px 28px; }
  .project-name { font-size: 19px; }
}

/* --- MASAÜSTÜ: 3 kart --- */
@media (min-width: 1025px) {
  .project-card { flex: 0 0 calc((100% - 52px) / 3); }
}

/* ================= 4. SECTION - HABERLER ================= */
.news-section {
  background: #ffffff;
  padding: 100px 24px;
}
.news-head {
  max-width: 1280px;
  margin: 0 auto 45px;
}
.news-subtitle {
  font-size: 26px;
  font-weight: 500;
  color: #123c62;
}

.news-grid {
  max-width: 1280px;
  margin: 0 auto;
}
.news-row { display: grid; gap: 26px; }
.news-row--top    { grid-template-columns: 1fr 1fr; }
.news-row--bottom { grid-template-columns: repeat(3, 1fr); margin-top: 26px; }

/* Kart */
.news-card {
  position: relative;
  display: block;
  border-radius: 4px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  text-decoration: none;
  transition: transform .5s ease;
}
.news-card--lg { height: 470px; }
.news-card--sm { height: 340px; }

/* Arkaplan hafif zoom (hover) */
.news-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: inherit;
  background-size: cover;
  background-position: center;
  transition: transform .7s ease;
  z-index: 0;
}
.news-card:hover::before { transform: scale(1.06); }

/* Karartma - normalde alttan hafif, hover'da tamamı koyulaşır */
.news-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(18,60,98,.85) 0%, rgba(18,60,98,.1) 55%, rgba(18,60,98,0) 100%);
  transition: background .4s ease;
}
.news-card:hover .news-overlay {
  background: linear-gradient(to top, rgba(18,60,98,.92) 0%, rgba(18,60,98,.55) 100%);
}

/* İçerik */
.news-content {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 30px;
  color: #fff;
}
.news-date {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 14px;
}
.news-date-bar {
  width: 3px;
  height: 16px;
  background: #89b931;   /* kurumsal yeşil */
  display: inline-block;
}
.news-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
}
.news-card--sm .news-title { font-size: 18px; }

/* "Haberin devamı" - normalde gizli, hover'da açılır */
.news-more {
  display: inline-block;
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  border-bottom: 2px solid #89b931;
  padding-bottom: 3px;
  transition: max-height .4s ease, opacity .4s ease, margin-top .4s ease;
}
.news-card:hover .news-more {
  max-height: 40px;
  opacity: 1;
  margin-top: 18px;
}

/* Responsive */
@media (max-width: 900px) {
  .news-row--top    { grid-template-columns: 1fr; }
  .news-row--bottom { grid-template-columns: 1fr; }
  .news-card--lg, .news-card--sm { height: 300px; }
}

/* ================= FOOTER ================= */
.footer {
  background: #ffffff;
  padding: 80px 24px 30px;
  border-top: 1px solid #eee;
}

.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.footer-col { flex: 1; min-width: 150px; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #123c62;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: #666;
  text-decoration: none;
  margin-bottom: 12px;
  transition: color .25s ease, padding-left .25s ease;
}
.footer-col a:hover { color: #89b931; padding-left: 4px; }

/* Sağ iletişim bloğu */
.footer-contact {
  flex: 0 0 auto;
  text-align: right;
  min-width: 180px;
}
.footer-mail {
  display: block;
  font-size: 15px;
  color: #469ad5;
  text-decoration: none;
  margin-bottom: 10px;
}
.footer-mail:hover { text-decoration: underline; }
.footer-phone {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: #123c62;
  text-decoration: none;
  margin-bottom: 20px;
}
.footer-social {
  display: inline-flex;
  color: #123c62;
  transition: color .25s ease, transform .25s ease;
}
.footer-social:hover { color: #89b931; transform: translateY(-2px); }

/* Yasal linkler */
.footer-legal {
  max-width: 1280px;
  margin: 50px auto 0;
  padding-top: 26px;
  border-top: 1px solid #eee;
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}
.footer-legal-links a {
  font-size: 13px;
  color: #888;
  text-decoration: none;
  transition: color .25s ease;
}
.footer-legal-links a:hover { color: #123c62; }

/* Alt satır */
.footer-bottom {
  max-width: 1280px;
  margin: 24px auto 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #999;
}

/* Responsive */
@media (max-width: 860px) {
  .footer { padding: 50px 20px 24px; }
  .footer-contact { text-align: left; width: 100%; }
  .footer-bottom { flex-direction: column; }
}


/* ================= MODERN HAMBURGER ================= */
.hamburger {
  position: relative;
  width: 30px;
  height: 20px;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  display: inline-block;
}
.hamburger span {
  position: absolute;
  left: 0;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: 2px;
  transition: transform .4s cubic-bezier(.68,-0.6,.32,1.6),
              opacity .25s ease, width .3s ease, top .3s ease;
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); width: 65%; }
.hamburger span:nth-child(3) { top: 100%; transform: translateY(-100%); }

/* Hover: kısa çizgi tam boya uzar (küçük modern dokunuş) */
.hamburger:hover span:nth-child(2) { width: 100%; }

/* Açık durum: çizgiler X'e döner */
.hamburger.open span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) {
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* Menü açıkken header'ı şeffaf yap, X + yazılar beyaz kalsın */
.site-header.menu-open {
  background-color: transparent !important;
  box-shadow: none !important;
}
.site-header.menu-open .nav-text { color: #fff; }
/* Menü açıkken beyaz logo görünsün (koyu menü üstünde) */
.site-header.menu-open .logo-white { display: block; }
.site-header.menu-open .logo-color { display: none; }



/* ================= AÇILIR MENÜ - GLASSMORPH ================= */
#sideMenu {
  background: rgba(18, 60, 98, 0.68);              /* yarı saydam lacivert */
  backdrop-filter: blur(16px) saturate(140%);       /* arkayı buğula */
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-left: 1px solid rgba(255, 255, 255, 0.14); /* ince cam kenarı */
  box-shadow: -25px 0 60px rgba(0, 0, 0, 0.35);
}

/* Cam üstünde hafif ışık huzmesi (üstten aşağı yumuşak parlama) */
#sideMenu::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(70,154,213,0.14) 0%, rgba(255,255,255,0) 40%);
}
/* Menü içeriği ışık huzmesinin üstünde kalsın */
#sideMenu > * { position: relative; z-index: 1; }

/* Arkadaki karartmayı biraz açıp buğuyu görünür yapalım */
#menuOverlay { background-color: rgba(0, 0, 0, 0.35) !important; }


/* ================= WHATSAPP KULAKÇIĞI ================= */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
  transition: transform .3s ease, box-shadow .3s ease;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 30px rgba(37, 211, 102, .6);
}

/* Nabız halkası */
.whatsapp-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25d366;
  z-index: -1;
  animation: whatsappPulse 2s infinite;
}
@keyframes whatsappPulse {
  0%   { transform: scale(1);   opacity: .6; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Yazı balonu (hover'da çıkar) */
.whatsapp-tooltip {
  position: absolute;
  right: 74px;
  background: #123c62;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: 8px;
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
}
.whatsapp-tooltip::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid #123c62;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}
.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 640px) {
  .whatsapp-float { width: 54px; height: 54px; right: 16px; bottom: 16px; }
  .whatsapp-tooltip { display: none; }
}


/* ==========================================================================
   İÇ SAYFALAR (içerik listesi / içerik detay)
   ========================================================================== */

/* ---- Breadcrumb / sayfa başlığı bandı (sabit header'ı taşır, koyu zemin) ---- */
.page-hero {
  position: relative;
  padding: 180px 40px 80px;          /* üstte fixed header için pay */
  background: linear-gradient(120deg, #0e3050 0%, #123c62 45%, #16466f 100%);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18,60,98,.88) 0%, rgba(18,60,98,.55) 100%);
  z-index: 0;
}
/* Dekoratif daireler (sağ üst) */
.page-hero .hero-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.12);
  z-index: 1;
  pointer-events: none;
}
.page-hero .hero-circle.c1 { width: 190px; height: 190px; top: 40px;  right: 260px; }
.page-hero .hero-circle.c2 { width: 240px; height: 240px; top: 20px;  right: 60px;  border-color: rgba(137,185,49,.4); }
.page-hero .hero-circle.c3 { width: 150px; height: 150px; top: 210px; right: 190px; }
.page-hero .hero-circle.c4 { width: 110px; height: 110px; top: 250px; right: 20px;  border-color: rgba(70,154,213,.35); }
@media (max-width: 900px) { .page-hero .hero-circle { display: none; } }

.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  text-align: left;
}
.page-hero-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-top: 26px;
}
.page-hero-title {
  color: #fff;
  font-size: 54px;
  font-weight: 700;
  line-height: 1.1;
}
.page-hero-alt {
  color: #89b931;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  margin-top: 14px;
  max-width: 340px;
}
.page-hero-desc {
  color: rgba(255,255,255,.8);
  font-size: 16px;
  line-height: 1.7;
  max-width: 430px;
  padding-bottom: 8px;
}
.page-breadcrumb {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
}
.page-breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; transition: color .25s ease; display: inline-flex; align-items: center; gap: 6px; }
.page-breadcrumb a:hover { color: #89b931; }
.page-breadcrumb .sep { color: rgba(255,255,255,.4); }
.page-breadcrumb .current { color: #89b931; }

@media (max-width: 640px) {
  .page-hero { padding: 140px 20px 55px; }
  .page-hero-title { font-size: 32px; }
  .page-hero-alt { font-size: 18px; }
}

/* ==========================================================================
   İKİ KOLON DÜZEN + STICKY KENAR MENÜSÜ (iç sayfalar)
   ========================================================================== */
.ic-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 40px;
  background: #fff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 56px;
}
.ic-wrap.tek-kolon { grid-template-columns: minmax(0, 1fr); }
.ic-main { min-width: 0; }

.ic-yan {
  position: sticky;
  top: 120px;
  align-self: start;
  border-left: 1px solid #e5e9ee;
  padding-left: 26px;
}
.ic-yan .yan-baslik {
  font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: #94a3b8; margin-bottom: 18px;
}
.ic-yan a {
  display: block; padding: 11px 0; font-size: 16px; color: #123c62; text-decoration: none;
  border-bottom: 1px solid #f1f4f7; transition: color .25s ease, padding-left .25s ease;
}
.ic-yan a:last-child { border-bottom: none; }
.ic-yan a:hover { color: #469ad5; padding-left: 4px; }
.ic-yan a.aktif { color: #89b931; font-weight: 600; }

@media (max-width: 900px) {
  .ic-wrap { grid-template-columns: 1fr; padding: 55px 20px; gap: 40px; }
  .ic-yan { position: static; border-left: none; border-top: 1px solid #e5e9ee; padding-left: 0; padding-top: 26px; order: 2; }
}

/* ==========================================================================
   KATALOG KARTLARI (logo + indirme) — Logolar/Kataloglar sayfası
   ========================================================================== */
.kat2-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 1100px) { .kat2-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .kat2-grid { grid-template-columns: 1fr; } }

.kat2-card { background: #fafbfc; border: 1px solid #eef1f4; border-radius: 6px; overflow: hidden; transition: box-shadow .3s ease; }
.kat2-card:hover { box-shadow: 0 14px 34px rgba(18,60,98,.10); }
.kat2-logo { height: 175px; display: flex; align-items: center; justify-content: center; padding: 28px; background: #fff; }
.kat2-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.kat2-indir {
  border-top: 1px solid #eef1f4; padding: 22px; display: flex; align-items: flex-start;
  justify-content: center; gap: 26px;
}
.kat2-fmt { text-align: center; }
.kat2-fmt .fmt-ad { display: block; font-size: 12px; font-weight: 600; color: #64748b; margin-bottom: 8px; letter-spacing: .5px; }
.kat2-fmt a {
  display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px;
  border-radius: 6px; background: #89b931; color: #fff; text-decoration: none;
  transition: background .25s ease, transform .25s ease;
}
.kat2-fmt a:hover { background: #123c62; transform: translateY(-2px); }

/* ==========================================================================
   İLETİŞİM (ekteki tasarım — kurumsal renkler)
   ========================================================================== */
/* Yatay eyebrow: —— ETİKET ● */
.ic-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.ic-eyebrow .ln { width: 46px; height: 2px; background: #89b931; }
.ic-eyebrow .tx { font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: #89b931; }
.ic-eyebrow .dot { width: 12px; height: 12px; border-radius: 50%; background: #89b931; }

.ic-bolum-baslik { font-size: 26px; font-weight: 600; color: #123c62; margin-bottom: 34px; line-height: 1.35; }

.adres2-kart { border: 1px solid #eef1f4; border-radius: 6px; padding: 34px; margin-bottom: 26px; }
.adres2-kart .a2-ust { display: grid; grid-template-columns: 1fr 320px; gap: 30px; align-items: start; }
@media (max-width: 768px) { .adres2-kart .a2-ust { grid-template-columns: 1fr; } }
.a2-baslik { font-size: 21px; font-weight: 600; color: #123c62; margin-bottom: 20px; }
.a2-satir { margin-bottom: 16px; }
.a2-label { display: block; font-size: 12px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; color: #89b931; margin-bottom: 5px; }
.a2-deger { font-size: 15px; color: #374151; line-height: 1.6; }
.a2-deger a { color: #123c62; text-decoration: none; border-bottom: 1px solid #cbd5e1; }
.a2-deger a:hover { color: #469ad5; border-color: #469ad5; }
.a2-harita { position: relative; border-radius: 6px; overflow: hidden; aspect-ratio: 4/3; background: #e8eef4; }
.a2-harita iframe { width: 100%; height: 100%; border: 0; display: block; }
.a2-harita-ac {
  position: absolute; top: 12px; left: 12px; z-index: 2; display: inline-flex; align-items: center; gap: 6px;
  background: #fff; color: #123c62; font-size: 13px; font-weight: 600; padding: 7px 12px; border-radius: 6px;
  text-decoration: none; box-shadow: 0 3px 10px rgba(0,0,0,.15);
}
.a2-harita-ac:hover { color: #469ad5; }

/* İletişim formu (Bize Yazın) */
.ic-form .row { display: flex; flex-wrap: wrap; gap: 22px; }
.ic-form .row > [class*="col-"] { flex: 1 1 100%; }
@media (min-width: 768px) { .ic-form .row > .col-lg-6 { flex: 1 1 calc(50% - 11px); } }
.ic-form .form-group { width: 100%; }
.ic-form .form-group > label,
.ic-form .form-ust-label { display: block; font-size: 14px; color: #123c62; font-weight: 500; margin-bottom: 8px; }
.ic-form .form-control {
  width: 100%; padding: 14px 0; border: none; border-bottom: 1px solid #d5dde5;
  background: transparent; color: #123c62; font-size: 15px; font-family: inherit;
  transition: border-color .25s ease;
}
.ic-form .form-control::placeholder { color: #9aa7b4; }
.ic-form .form-control:focus { outline: none; border-bottom-color: #89b931; }
.ic-form textarea.form-control { min-height: 120px; resize: vertical; border: 1px solid #d5dde5; border-radius: 6px; padding: 14px 16px; }
.ic-form .btn {
  display: inline-flex; align-items: center; gap: 14px; background: #123c62; color: #fff;
  padding: 16px 34px; border: none; border-radius: 4px; font-weight: 600; font-size: 14px;
  letter-spacing: 1px; text-transform: uppercase; cursor: pointer; transition: background .3s ease, gap .3s ease;
}
.ic-form .btn::before { content: "→"; font-size: 18px; }
.ic-form .btn:hover { background: #89b931; gap: 20px; }

/* ---- İçerik bölümü (açık zemin) ---- */
.ic-section {
  background: #f3f5f7;
  padding: 90px 24px;
}
.ic-container { max-width: 1280px; margin: 0 auto; }

/* ---- Liste kart grid ---- */
.ic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
@media (max-width: 1024px) { .ic-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .ic-grid { grid-template-columns: 1fr; } .ic-section { padding: 60px 20px; } }

.ic-bos { text-align: center; color: #64748b; font-size: 16px; padding: 40px 0; }

/* Liste kartı (project-card tabanlı) */
.ic-card {
  background: #fff;
  box-shadow: 0 10px 30px rgba(18,60,98,.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease;
}
.ic-card:hover { transform: translateY(-6px); box-shadow: 0 18px 45px rgba(18,60,98,.18); }
.ic-card-img { position: relative; aspect-ratio: 4/3; overflow: hidden; display: block; }
.ic-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.ic-card:hover .ic-card-img img { transform: scale(1.07); }
.ic-card-body { padding: 24px; border-top: 4px solid #469ad5; flex: 1; display: flex; flex-direction: column; }
.ic-card-cat {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: #469ad5; margin-bottom: 10px;
}
.ic-card-title { font-size: 19px; font-weight: 600; color: #123c62; line-height: 1.35; margin-bottom: 12px; }
.ic-card-title a { color: inherit; text-decoration: none; }
.ic-card-title a:hover { color: #469ad5; }
.ic-card-ozet { font-size: 14px; color: #64748b; line-height: 1.6; margin-bottom: 18px; }
.ic-card-more {
  margin-top: auto; align-self: flex-start; display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  color: #123c62; text-decoration: none; transition: gap .25s ease, color .25s ease;
}
.ic-card-more:hover { color: #89b931; gap: 14px; }

/* ---- Detay: gövde (zengin metin) ---- */
.ic-detay { background: #fff; padding: 90px 24px; }
.ic-detay-container { max-width: 900px; margin: 0 auto; }
.ic-kapak { width: 100%; border-radius: 4px; margin-bottom: 36px; }
.ic-ozet {
  font-size: 20px; font-weight: 500; color: #123c62; line-height: 1.6;
  padding-left: 20px; border-left: 4px solid #89b931; margin-bottom: 32px;
}
.ic-govde { color: #374151; font-size: 16px; line-height: 1.85; }
.ic-govde p { margin-bottom: 18px; }
.ic-govde h1, .ic-govde h2, .ic-govde h3, .ic-govde h4 { color: #123c62; font-weight: 700; margin: 30px 0 14px; line-height: 1.3; }
.ic-govde h2 { font-size: 26px; } .ic-govde h3 { font-size: 22px; } .ic-govde h4 { font-size: 18px; }
.ic-govde a { color: #469ad5; text-decoration: underline; }
.ic-govde img { max-width: 100%; height: auto; border-radius: 4px; margin: 20px 0; }
.ic-govde ul, .ic-govde ol { margin: 0 0 18px 22px; }
.ic-govde ul { list-style: disc; } .ic-govde ol { list-style: decimal; }
.ic-govde li { margin-bottom: 8px; }
.ic-govde table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.ic-govde table td, .ic-govde table th { border: 1px solid #e2e8f0; padding: 10px 12px; }
.ic-govde blockquote { border-left: 4px solid #469ad5; padding-left: 18px; color: #123c62; font-style: italic; margin: 20px 0; }

/* ---- Detay: galeri ---- */
.ic-galeri {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px;
}
@media (max-width: 1024px) { .ic-galeri { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px)  { .ic-galeri { grid-template-columns: repeat(2, 1fr); } }
.ic-galeri a {
  display: block;
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: 4px;
  background: #fff;
  border: 1px solid #eee;
}
.ic-galeri img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform .5s ease;
}
.ic-galeri a:hover img { transform: scale(1.08); }

/* ---- Liste: SSS (accordion, native details) ---- */
.ic-sss { max-width: 900px; margin: 0 auto; }
.ic-sss details {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 6px;
  margin-bottom: 14px; overflow: hidden;
}
.ic-sss summary {
  cursor: pointer; list-style: none; padding: 20px 24px;
  font-size: 17px; font-weight: 600; color: #123c62;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.ic-sss summary::-webkit-details-marker { display: none; }
.ic-sss summary::after { content: "+"; color: #469ad5; font-size: 24px; line-height: 1; flex: 0 0 auto; }
.ic-sss details[open] summary::after { content: "\2212"; }
.ic-sss .ic-sss-govde { padding: 0 24px 22px; color: #64748b; font-size: 15px; line-height: 1.75; }

/* ---- Liste: Ekip kartı ---- */
.ic-team-img { aspect-ratio: 3/4; overflow: hidden; }
.ic-team-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.ic-card:hover .ic-team-img img { transform: scale(1.06); }

/* ---- Liste: Belge / PDF kartı ---- */
.ic-belge { position: relative; }
.ic-belge .ic-pdf-badge {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  width: 40px; height: 40px; border-radius: 50%; background: #123c62; color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}


/* ==========================================================================
   BÖLÜM-ÖZEL LİSTE TASARIMLARI
   ========================================================================== */

/* ---- Proje Kategorileri galerisi (sid==54): büyük görselli, alt gradyan ---- */
.proj-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
@media (max-width: 1024px) { .proj-cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .proj-cat-grid { grid-template-columns: 1fr; } }

.proj-cat-card {
  position: relative;
  display: block;
  height: 360px;
  overflow: hidden;
  border-radius: 4px;
  text-decoration: none;
}
.proj-cat-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s ease;
}
.proj-cat-card:hover img { transform: scale(1.08); }
.proj-cat-card .pc-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(18,60,98,.9) 0%, rgba(18,60,98,.15) 55%, rgba(18,60,98,0) 100%);
  transition: background .4s ease;
}
.proj-cat-card:hover .pc-overlay { background: linear-gradient(to top, rgba(18,60,98,.94) 0%, rgba(18,60,98,.5) 100%); }
.proj-cat-card .pc-body { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 28px; color: #fff; }
.proj-cat-card .pc-cat { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: #89b931; }
.proj-cat-card .pc-title { font-size: 22px; font-weight: 600; line-height: 1.3; margin-top: 8px; }
.proj-cat-card .pc-more {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px;
  max-height: 0; opacity: 0; overflow: hidden; transition: max-height .4s ease, opacity .4s ease, margin-top .4s ease;
}
.proj-cat-card:hover .pc-more { max-height: 30px; opacity: 1; margin-top: 14px; }

/* ---- Proje portföy listesi (ustKategorisi==4): 2 kolon geniş kartlar ---- */
.portfoy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
@media (max-width: 768px) { .portfoy-grid { grid-template-columns: 1fr; } }
.portfoy-card {
  position: relative; display: block; overflow: hidden; border-radius: 4px;
  aspect-ratio: 16/10; text-decoration: none;
  box-shadow: 0 10px 30px rgba(18,60,98,.10);
}
.portfoy-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.portfoy-card:hover img { transform: scale(1.06); }
.portfoy-card .pf-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(18,60,98,.75) 0%, rgba(18,60,98,.15) 60%);
  opacity: 0; transition: opacity .4s ease;
  display: flex; align-items: flex-end; padding: 32px;
}
.portfoy-card:hover .pf-overlay { opacity: 1; }
.portfoy-card .pf-body { color: #fff; }
.portfoy-card .pf-cat { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: #89b931; }
.portfoy-card .pf-title { font-size: 22px; font-weight: 600; line-height: 1.3; margin-top: 8px; }
.portfoy-card .pf-plus {
  position: absolute; top: 22px; right: 22px; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.5); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  opacity: 0; transform: scale(.8); transition: opacity .4s ease, transform .4s ease, background .3s ease;
}
.portfoy-card:hover .pf-plus { opacity: 1; transform: scale(1); }
.portfoy-card .pf-plus:hover { background: #89b931; }

/* ---- Kataloglar (sid==4): dosya/katalog kartları ---- */
.kat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
@media (max-width: 1024px) { .kat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .kat-grid { grid-template-columns: 1fr; } }
.kat-card {
  display: block; background: #fff; border-radius: 6px; overflow: hidden; text-decoration: none;
  box-shadow: 0 10px 30px rgba(18,60,98,.08); transition: transform .35s ease, box-shadow .35s ease;
  border-bottom: 4px solid #89b931;
}
.kat-card:hover { transform: translateY(-6px); box-shadow: 0 18px 45px rgba(18,60,98,.18); }
.kat-thumb { position: relative; aspect-ratio: 3/4; overflow: hidden; background: #f3f5f7; }
.kat-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.kat-card:hover .kat-thumb img { transform: scale(1.05); }
.kat-thumb .kat-badge {
  position: absolute; top: 12px; left: 12px; background: #123c62; color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 6px 12px; border-radius: 20px;
}
.kat-body { padding: 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.kat-ad { font-size: 16px; font-weight: 600; color: #123c62; line-height: 1.35; }
.kat-oku { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 50%; background: #123c62; color: #fff; display: flex; align-items: center; justify-content: center; transition: background .3s ease; }
.kat-card:hover .kat-oku { background: #89b931; }

/* ---- Katalog detay (kategori==4) ---- */
.kat-detay { background: #fff; padding: 90px 24px; text-align: center; }
.kat-detay-inner { max-width: 760px; margin: 0 auto; }
.kat-detay img { max-width: 320px; width: 100%; border-radius: 6px; box-shadow: 0 14px 40px rgba(18,60,98,.16); margin-bottom: 30px; }
.kat-detay .kat-buton {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 26px;
  background: #123c62; color: #fff; padding: 15px 34px; border-radius: 6px;
  font-weight: 600; text-decoration: none; transition: background .3s ease, transform .3s ease;
}
.kat-detay .kat-buton:hover { background: #469ad5; transform: translateX(4px); }




/* ---- Hakkımızda video ---- */
.about-video {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 4px;
}
.about-video img {
  width: 100%;
  display: block;
  transition: transform .6s ease, filter .4s ease;
}
.about-video:hover img {
  transform: scale(1.06);
  filter: brightness(.8);
}

.play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 78px; height: 78px;
  border-radius: 50%;
  background: rgba(255,255,255,.95);
  color: #d32f2f;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s ease, color .3s ease, transform .3s ease;
  z-index: 2;
}
.play-btn svg { width: 34px; height: 34px; margin-left: 4px; }

/* sürekli atan halka */
.play-btn::before,
.play-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.7);
  animation: playPulse 2.4s ease-out infinite;
}
.play-btn::after { animation-delay: 1.2s; }

@keyframes playPulse {
  0%   { transform: scale(1);   opacity: .9; }
  100% { transform: scale(1.9); opacity: 0; }
}

.about-video:hover .play-btn {
  background: #d32f2f;
  color: #fff;
  transform: translate(-50%, -50%) scale(1.12);
}

@media (max-width: 640px) {
  .play-btn { width: 60px; height: 60px; }
  .play-btn svg { width: 26px; height: 26px; }
}


/* ---- Hero slayt metni ---- */
.hero-metin { max-width: 900px; }
.hero-metin h1,
.hero-metin h2,
.hero-metin h3 { line-height: 1.25; }

@media (max-width: 640px) {
  .hero-metin {
    padding-right: 90px;   /* sağdaki ok/çizgi grubuna değmesin */
    max-width: 100%;
  }
  .hero-metin h1 { font-size: 18px; }
  .hero-metin h2 { font-size: 17px; }
  .hero-metin h3 { font-size: 16px; }
  .hero-metin p  { font-size: 13px; line-height: 1.5; }
}