/* === MODERN DEĞİŞKENLER & AYARLAR === */
:root {
  --pri: #0A3D62;      /* Ana Lacivert */
  --pri-rgb: 10, 61, 98;
  --pri-2: #0e4d7d;    /* Açık Lacivert */
  --sec: #3C6382;      /* Gri-Mavi */
  --acc: #F6B93B;      /* Altın Sarısı */
  --bg-body: #F8F9FC;  /* Modern Açık Gri Arkaplan */
  
  /* Gölgeler ve Derinlik */
  --shadow-sm: 0 2px 8px rgba(10, 61, 98, 0.05);
  --shadow-md: 0 12px 30px -8px rgba(10, 61, 98, 0.15);
  --shadow-lg: 0 20px 60px -12px rgba(10, 61, 98, 0.25);
}

html, body { overflow-x: hidden; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-body);
  color: #2d3436;
  line-height: 1.6;
}

/* Tipografi */
h1, h2, h3, h4, h5, .brand, .section-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
}

a { text-decoration: none; transition: all 0.3s ease; }
img { max-width: 100%; height: auto; }

/* === TOPBAR & NAVBAR === */
.topbar {
  background: var(--pri);
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
  font-weight: 500;
}
.topbar a { color: rgba(255,255,255,0.9); }
.topbar a:hover { color: #fff; }

.navbar {
  position: sticky; top: 0; z-index: 1050;
  background: rgba(10, 61, 98, 0.9) !important; /* Hafif şeffaf */
  backdrop-filter: blur(12px); /* Buzlu cam etkisi */
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 0.8rem 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.navbar-brand img { height: 36px !important; border-radius: 8px; }

.navbar .nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-weight: 600;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: 0.2s;
}
.navbar .nav-link:hover, .navbar .nav-link.active {
  color: var(--acc) !important;
  background: rgba(255,255,255,0.1);
}

/* Teklif Al Butonu */
.navbar .btn-quote {
  background: var(--acc); color: #0A3D62;
  font-weight: 700; border: none;
  border-radius: 50px; padding: 0.6rem 1.5rem;
  box-shadow: 0 4px 15px rgba(246, 185, 59, 0.4);
  transition: 0.3s;
}
.navbar .btn-quote:hover {
  background: #ffc55c;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(246, 185, 59, 0.5);
}

/* === HERO ALANLARI === */
.hero, .hero-min {
  position: relative;
  background: linear-gradient(135deg, var(--pri) 0%, var(--pri-2) 100%);
  color: #fff; overflow: hidden;
  padding: 5rem 0;
}
/* Arkaplan Deseni */
.hero::before, .hero-min::before {
  content: ''; position: absolute; top:0; left:0; right:0; bottom:0;
  background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 30px 30px; opacity: 0.4; z-index: 0;
}
.hero .container, .hero-min .container { position: relative; z-index: 2; }
.hero-min { padding: 4rem 0; } /* Alt sayfalar için daha kısa */

/* === KART TASARIMLARI === */
.card {
  border: none;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  overflow: hidden;
}
/* Sadece belirli kartlara hover efekti (içeriği bozmamak için genel değil) */
.card.elev:hover, .ref-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.card-body { padding: 2rem; }

/* Referans Kartları */
.ref-card {
  background: #fff; border-radius: 16px;
  border: none; box-shadow: var(--shadow-md);
  transition: 0.3s; height: 100%; overflow: hidden;
}
.ref-card img {
  height: 220px; width: 100%; object-fit: cover;
  transition: transform 0.5s;
}
.ref-card:hover img { transform: scale(1.05); }

/* İstatistik Kutuları */
.stat {
  background: #fff; border-radius: 20px;
  padding: 1.5rem; text-align: center;
  box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.02);
  transition: 0.3s;
}
.stat:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.stat b {
  display: block; font-size: 2.5rem;
  background: linear-gradient(to right, var(--pri), var(--sec));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* === İKONLAR & CTA === */
.icon-badge {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #eef6ff, #dceeff);
  color: var(--pri);
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-bottom: 1rem;
}
/* Hizmetlerde yan yana ikon */
.card-body.d-flex .icon-badge { margin-bottom: 0; margin-right: 1rem; }

.cta {
  background: linear-gradient(120deg, var(--pri), #206596);
  border-radius: 24px; color: #fff;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.badge-soft {
  background: #eef6ff; color: var(--pri);
  border: 1px solid #d6e7fb; padding: 0.5em 1em;
}

/* === FOOTER === */
footer {
  background: #062135; color: #8ba4b6;
  font-size: 0.95rem; padding-top: 4rem;
}
footer h5, footer h6 { color: #fff; margin-bottom: 1.5rem; }
footer a { color: #8ba4b6; }
footer a:hover { color: var(--acc); padding-left: 5px; }

/* === WHATSAPP FLOAT === */
.wa-float {
  width: 60px; height: 60px;
  background: #25D366; color: #fff;
  border-radius: 50%;
  position: fixed; right: 20px; bottom: 20px;
  display: grid; place-items: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 2000;
  transition: 0.3s;
}
.wa-float:hover { transform: scale(1.1); }

/* === MOBİL MENÜ DÜZELTMELERİ === */
@media (max-width: 991px) {
  .navbar-collapse {
    background: var(--pri);
    padding: 1.5rem;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
    margin-top: 10px;
  }
  .navbar .btn-quote { width: 100%; margin-top: 0.5rem; }
}

/* === ANİMASYON (Script ile çalışır) === */
.fade-up { opacity: 0; transform: translateY(30px); transition: 0.8s ease; }
.fade-up.in { opacity: 1; transform: translateY(0); }