body {
  background-color: rgb(0, 0, 0);
  color: rgb(255, 255, 255);
}

#hero {
  width: 100%;
  height: 100vh;
  background-image: url("../img/hero-mobile.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #333;
}

@media (min-width: 768px) {
  #hero {
    background-image: url("../img/hero.jpg");
  }
}

.navbar-light .navbar-brand {
  width: 150px;
  height: 80px;
  background: url("../img/logo.svg") center / 100% no-repeat;
}

#navcol-1 {
  font-size: 16px;
  font-family: Montserrat, sans-serif;
  font-weight: 800;
  text-transform: uppercase;
}

.nav_hover:hover {
  color: #fff;
}

#signIn {
  margin-right: 40px;
}

#title {
  font-family: Montserrat, sans-serif;
  font-weight: 300;
  font-size: 32px;
}

#subtitle {
  font-size: 40px;
  font-family: Montserrat, sans-serif;
  font-weight: bold;
}

#hero-bottom {
  color: #fff;
}

#p-top {
  font-size: 26px;
  font-weight: bold;
  font-family: Montserrat, sans-serif;
}

#p-bottom {
  font-size: 13px;
}

.reverse-button {
  background: rgba(0,123,255,0);
  border: 3px solid #fff;
  border-radius: 30px;
  text-transform: uppercase;
}

#hero-bottom .container {
  max-width: 700px;
  text-align: center;
}

.arrow-button {
  color: rgb(255,255,255);
  font-size: 32px;
}

.with-borders {
  border: 1px solid rgba(255,255,255,0.26);
  border-top: 0;
  border-bottom: 0;
}

#nav_hover a:hover {
  color: #fff;
}

#video-and-stats {
  text-align: center;
}

#video-and-stats iframe {
  width: 90%;
  height: 400px;
}

@media (min-width: 992px) {
  #video-and-stats iframe {
    width: 900px;
    height: 500px;
  }
}

@media (max-width: 768px) {
  #stats {
    width: 600px;
    margin: 0 auto;
    margin-bottom: 250px;
    font-size: 15px;
  }
}

#stats {
  width: 90%;
  margin: 0 auto;
  margin-bottom: 150px;
  font-size: 15px;
}

#stats .table thead th {
  text-align: left;
  padding-left: 0;
  border-top: 0;
  color: #fff;
}

#stats .cell-left {
  text-align: left;
  padding-left: 0;
}

#stats .cell-right {
  text-align: right;
  font-weight: bold;
  padding-right: 0;
}

#aero .h3, h3 {
  font-family: Montserrat, sans-serif;
  font-weight: 600;
}

#interior {
  width: 100%;
  height: 60vh;
}

@media (min-width: 768px) {
  #interior {
    width: 100%;
    height: 100vh;
  }
}

#interior .figure {
  max-width: 90%;
}

@media (min-width: 768px) {
  #interior .figure {
    max-width: 70%;
  }
}

#interior .figure-caption {
  color: rgb(255,255,255);
  margin-top: 15px;
}

#caption-title {
  margin-right: 10px;
}

#topview {
  width: 100%;
  height: 120vh;
  background: url("../img/top.jpg") center / cover no-repeat;
}

#topview .container {
  margin-bottom: 120px;
}

.footer-basic .reverse-button {
  align-items: center;
  width: 200px;
  margin: 10px 0;
  padding: 8px 20px;
}

#vertical-line {
  width: 10px;
  height: 100%;
}

/* ==========================================
   YENİ EKLENEN / TAŞINAN ÖZEL STILLER (index.html)
   ========================================== */

/* Navigasyon Yazıları İçin Beyaz Renk, Mavi/Petronas Gölgelendirme ve 1px Yukarı Konumlandırma */
.nav-shadow-text,
.navbar-light .navbar-nav .nav-link {
  color: #ffffff !important;
  position: relative;
  top: -1px;
  text-shadow: 0px 0px 8px rgba(47, 125, 150, 0.9), 2px 3px 6px rgba(0, 0, 0, 0.9);
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.navbar-light .navbar-nav .nav-link:hover {
  color: #00a896 !important;
  text-shadow: 0px 0px 12px rgba(0, 168, 150, 1), 2px 3px 8px rgba(0, 0, 0, 1);
}

/* İkonlar İçin Siyah Drop-Shadow Gölgelendirme */
.icon-shadow {
  filter: drop-shadow(2px 3px 5px rgba(0, 0, 0, 0.8));
  transition: transform 0.2s ease, filter 0.2s ease;
}

.icon-shadow:hover {
  transform: scale(1.1);
  filter: drop-shadow(2px 4px 8px rgba(0, 0, 0, 0.9));
}

/* Logoyu Daha Belirgin Yapan Parlak Parlama Animasyonu ve Efekti */
@keyframes logoGlowPulse {
  0% {
    filter: drop-shadow(0px 0px 6px rgba(47, 125, 150, 0.7)) drop-shadow(2px 3px 6px rgba(0, 0, 0, 0.9));
  }
  50% {
    filter: drop-shadow(0px 0px 15px rgba(0, 168, 150, 1)) drop-shadow(0px 0px 25px rgba(0, 168, 150, 0.6)) drop-shadow(2px 3px 6px rgba(0, 0, 0, 0.9));
  }
  100% {
    filter: drop-shadow(0px 0px 6px rgba(47, 125, 150, 0.7)) drop-shadow(2px 3px 6px rgba(0, 0, 0, 0.9));
  }
}

.brand-logo-custom {
  background: url("../img/logo.png") center / contain no-repeat !important;
  width: 190px !important;
  height: 90px !important;
  display: inline-block;
  animation: logoGlowPulse 3s infinite ease-in-out;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.brand-logo-custom:hover {
  transform: scale(1.03);
  filter: drop-shadow(0px 0px 20px rgba(0, 255, 220, 1)) drop-shadow(0px 0px 30px rgba(0, 168, 150, 0.8)) drop-shadow(2px 4px 10px rgba(0, 0, 0, 1)) !important;
}

/* Açık Tonlu Sabit Şeffaf İnce Çerçeveli Footer */
.fixed-sticky-footer {
  position: fixed;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;
  padding: 8px 24px;
  color: #ffffff;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  white-space: nowrap;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
}

/* 8 Kartlık Alan İçin Özel Tasarım */
.custom-cards-container {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 15px;
}

.feature-card {
  border-radius: 20px;
  padding: 30px 20px;
  text-align: center;
  color: #fff;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.feature-card img {
  max-height: 70px;
  margin-bottom: 20px;
  object-fit: contain;
  filter: drop-shadow(0px 2px 4px rgba(0,0,0,0.3));
}

.feature-card h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 0;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

/* Kart Gradient Arka Planları */
.card-gradient-1 { background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%); }
.card-gradient-2 { background: linear-gradient(135deg, #134e5e 0%, #71b280 100%); }
.card-gradient-3 { background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%); }
.card-gradient-4 { background: linear-gradient(135deg, #f7b733 0%, #fc4a1a 100%); }
.card-gradient-5 { background: linear-gradient(135deg, #8E2DE2 0%, #4A00E0 100%); }
.card-gradient-6 { background: linear-gradient(135deg, #00b09b 0%, #96c93d 100%); }
.card-gradient-7 { background: linear-gradient(135deg, #FF4E50 0%, #F9D423 100%); }
.card-gradient-8 { background: linear-gradient(135deg, #3A1C71 0%, #D76D77 50%, #FFAF7B 100%); }

/* Petronas Yeşili Ayraç Çizgisi ve Artırılmış Boşluklar */
.petronas-divider {
  border: 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(0,168,150,0) 0%, #00a896 50%, rgba(0,168,150,0) 100%);
  margin: 80px auto;
  width: 80%;
  box-shadow: 0 2px 8px rgba(0, 168, 150, 0.5);
}

/* Modül Özel Stilleri */
.modal-content.glass-modal {
  background: rgba(20, 25, 30, 0.9);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(0, 168, 150, 0.4);
  border-radius: 25px;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.modal-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.form-control-custom {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 10px;
}

.form-control-custom:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: #00a896;
  color: #fff;
  box-shadow: 0 0 10px rgba(0, 168, 150, 0.5);
}

.result-box {
  background: rgba(0, 168, 150, 0.15);
  border: 1px solid #00a896;
  border-radius: 15px;
  padding: 15px;
  margin-top: 15px;
}

.nav-collapse-custom {
  font-size: 14px;
  font-family: Montserrat, sans-serif;
  font-weight: 600;
  text-transform: uppercase;
}

.social-icons-custom {
  text-align: right;
  flex-direction: row;
  align-items: center;
}

.social-icon-item { margin-left: 8px; }
.social-icon-img { width: 24px; height: 24px; }

.hero-container-custom { max-width: 700px; }
.hero-desc-text { font-weight: 500; font-family: Montserrat, sans-serif; margin-bottom: 0; }

.stat-title-custom {
  font-size: 26px;
  font-weight: bold;
  font-family: Montserrat, sans-serif;
  margin-bottom: 0;
}

.stat-sub-custom { font-size: 18px; }
.stat-title-custom-alt {
  font-size: 22px;
  font-weight: bold;
  font-family: Montserrat, sans-serif;
  margin-bottom: 0;
}
.stat-empty-custom { font-size: 13px; }

.btn-transparent-custom { background: rgba(0, 123, 255, 0); }
.arrow-btn-custom { color: rgb(182, 87, 87); }
.arrow-icon-custom { font-size: 32px; }

.modal-title-custom { color: #00a896; }
.result-box-title { color: #00a896; }
.result-muted-text { color: #ddd !important; }
.result-note-text { color: #aaa; font-size: 11px; }
.modal-calc-btn { background-color: #00a896; }