/* ===========================
   ROOT VARIABLES
   =========================== */
:root {
    --primary: #212544ff;
    --primary-blue: #0d6efd;
    --secondary: #c62828;
    --gold: #d4af37;
    --light: #eceff1;
    --text-color: #546e7a;
}

/* ===========================
   GENEL STILLER
   =========================== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f9fa;
    overflow-x: hidden;
}

/* ===========================
   NAVBAR
   =========================== */
.navbar {
    background: #ffffff !important;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    padding: 1px 0;
    transition: all 0.3s ease;
    border-bottom: 3px solid #e3f2fd;
}

.navbar.scrolled {
    padding: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Logo */
.navbar-logo {
    height: 100px;
    margin-right: 15px;
    transition: transform 0.3s ease;
}

.navbar-logo:hover {
    transform: scale(1.05);
}

/* Marka (Logo + Yazı) */
.navbar-brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-blue) !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding-right: 1.5rem;
}

.navbar-brand:hover {
    color: #0a58ca !important;
}

/* Başlık ve Slogan Container */
.brand-text-container {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-slogan {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
    letter-spacing: 1px;
    margin-top: 3px;
    text-transform: none;
}

/* Nav Links */
.nav-link {
    color: #546e7a !important;
    font-weight: 500;
    padding: 0.6rem 1rem !important;
    margin: 0 0.2rem;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 8px;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0d6efd, #42a5f5);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #0d6efd !important;
    background: rgba(13, 110, 253, 0.05);
}

.nav-link:hover::before {
    width: 70%;
}

/* Dropdown */
.dropdown-toggle::after {
    margin-left: 0.4rem;
    transition: transform 0.3s ease;
}

.dropdown-menu {
    background: #ffffff;
    border: 1px solid #e3f2fd;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    padding: 0.8rem 0;
    margin-top: 0.5rem;
}

.dropdown-menu.show {
    animation: fadeInDown 0.3s ease;
}

.dropdown-item {
    color: #546e7a;
    padding: 0.7rem 1.5rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-weight: 500;
}

.dropdown-item:hover {
    background: linear-gradient(90deg, rgba(13, 110, 253, 0.08), rgba(13, 110, 253, 0.03));
    color: #0d6efd;
    border-left-color: #0d6efd;
    padding-left: 2rem;
}

/* Navbar Toggler (Mobile) */
.navbar-toggler {
    border: 2px solid #e3f2fd;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2813, 110, 253, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===========================
   HERO SECTION (TAM EKRAN)
   =========================== */
.hero-section {
    position: relative;
    width: 100%;
    height: 85vh;
    overflow: hidden;
    background: #000;
    padding: 0;
    margin-top: 0;
}

/* Hero Slider */
.hero-slider {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Karartma Efekti */
.hero-slider::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

/* Slider Resimleri */
.slider-item {
    display: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: zoomEffect 20s infinite linear;
}

.slider-item.active {
    display: block;
}

/* Hero İçerik Katmanı */
.hero-content-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    text-align: center;
    width: 100%;
    max-width: 900px;
    padding: 0 20px;
    color: white;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-text p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 500;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

/* Hero Butonları */
.btn-hero {
    padding: 15px 45px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    margin: 0 10px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

.btn-hero-primary {
    background: var(--gold);
    color: var(--primary);
}

.btn-hero-primary:hover {
    background: #f0c040;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-hero-outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(5px);
}

.btn-hero-outline:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-3px);
}

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dot.active {
    background: var(--gold);
    transform: scale(1.3);
    border-color: var(--gold);
}

/* ===========================
   KARTLAR
   =========================== */
.cta-card {
    background: linear-gradient(135deg, var(--secondary) 0%, #d32f2f 100%);
    border: none;
    border-radius: 20px;
    padding: 40px;
    margin: 60px 0;
    box-shadow: 0 15px 50px rgba(198, 40, 40, 0.3);
    color: white;
}

.value-card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    height: 100%;
    background: white;
    overflow: hidden;
}

.value-card:hover {
    transform: translateY(-10px);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), #303f9f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.card-body {
    padding: 2rem;
    text-align: center;
}

.card-title {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.card-text {
    color: #546e7a;
}

.card-footer {
    background: transparent;
    border-top: 1px solid #eee;
    padding: 1.5rem;
    text-align: center;
}

.btn-card {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 25px;
    border-radius: 20px;
}

/* ===========================
   ANIMASYONLAR
   =========================== */
@keyframes zoomEffect {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   RESPONSIVE TASARIM
   =========================== */

/* Desktop Hover Efektleri */
@media (min-width: 992px) {
    .dropdown:hover > .dropdown-menu {
        display: block;
        margin-top: 0;
    }
    
    .dropdown:hover .dropdown-toggle::after {
        transform: rotate(180deg);
    }
    
    .dropdown-menu:hover {
        display: block;
    }
}

/* Tablet ve Mobil */
@media (max-width: 991px) {
    /* Navbar Mobil Görünüm */
    .navbar-nav {
        padding: 1rem 0;
        background: #fafafa;
        border-radius: 12px;
        margin-top: 1rem;
    }
    
    .nav-link {
        margin: 0.2rem 0;
    }
    
    .dropdown-menu {
        background: #ffffff;
        margin-top: 0;
        box-shadow: none;
        border: none;
        border-left: 3px solid #e3f2fd;
        margin-left: 1rem;
    }
    
    /* Hero Mobil */
    .hero-section {
        height: 70vh;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .hero-text p {
        font-size: 1.1rem;
    }
    
    .btn-hero {
        padding: 12px 30px;
        font-size: 0.9rem;
        display: block;
        margin: 10px auto;
        width: 80%;
    }
}

/* ===========================
   DEMO İÇERİK
   =========================== */
.demo-content {
    padding: 3rem 0;
    min-height: 100vh;
}