:root {
    --primary: #ffc107;
    --dark: #121212;
    --darker: #0a0a0a;
    --light: #f8f9fa;
    --transition: all 0.4s ease;
    --gold-gradient: linear-gradient(135deg, #BF953F 0%, #FCF6BA 25%, #B38728 50%, #FBF5B7 75%, #AA771C 100%);
}

body {
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    background-color: var(--dark);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
}

/* Gold Text Effect */
.text-warning {
    color: #ffc107 !important;
}

.gold-icon {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.3));
}

.shadow-gold {
    box-shadow: 0 0 15px rgba(255, 193, 7, 0.2);
    border: 1px solid rgba(255, 193, 7, 0.3) !important;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--darker);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

.loader-content {
    text-align: center;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.navbar-shrink {
    padding: 1rem 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(255, 193, 7, 0.1);
}

.navbar-brand {
    font-size: 1.75rem;
    letter-spacing: 2px;
}

.nav-link {
    font-size: 0.9rem;
    letter-spacing: 1px;
    padding: 0.5rem 1rem !important;
    position: relative;
    color: rgba(255,255,255,0.7) !important;
    text-transform: uppercase;
}

.nav-link:hover, .nav-link.active {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gold-gradient);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 80%;
}

/* Navbar Logo Responsive */
.navbar-logo {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

@media (max-width: 576px) {
    .navbar-logo {
        height: 40px; /* Mobilde küçült */
    }
    .navbar-brand {
        font-size: 1.2rem;
    }
}

/* About Image Responsive */
.about-image-container {
    max-width: 100%;
    overflow: hidden;
    border-radius: 10px;
}

.about-img {
    width: 100%;
    height: auto;
    max-height: 500px; /* Çok uzun olmasını engelle */
    object-fit: cover;
}

/* Experience Badge Responsive */
.experience-badge {
    border-top-left-radius: 20px;
    z-index: 10;
}

@media (max-width: 768px) {
    .about-img {
        max-height: 350px;
    }
    .experience-badge h3 {
        font-size: 1.5rem;
    }
}

/* Particles */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Gradient Text */
.gradient-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 5s linear infinite;
    background-size: 200%;
}

@keyframes shine {
    to { background-position: 200% center; }
}

/* Preloader Pulse */
.pulse-logo {
    animation: logoPulse 2s infinite;
}

@keyframes logoPulse {
    0% { transform: scale(1); filter: drop-shadow(0 0 0 rgba(191, 149, 63, 0.7)); }
    50% { transform: scale(1.05); filter: drop-shadow(0 0 20px rgba(191, 149, 63, 0)); }
    100% { transform: scale(1); filter: drop-shadow(0 0 0 rgba(191, 149, 63, 0.7)); }
}

.progress-line {
    width: 200px;
    height: 3px;
    background: rgba(255,255,255,0.1);
    margin: 20px auto;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.progress-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: var(--gold-gradient);
    animation: loading 1.5s infinite ease-in-out;
}

@keyframes loading {
    0% { left: -50%; }
    100% { left: 100%; }
}

/* Hero Section */
.masthead {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: url('../img/hero-fleet.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    display: flex;
    align-items: center;
}

.masthead .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.9) 100%);
}

.masthead h1 {
    font-size: 4rem;
    line-height: 1.1;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

/* Buttons */
.btn-warning {
    background: var(--gold-gradient);
    border: none;
    color: #000;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-warning:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 193, 7, 0.3);
}

/* Service Cards */
.service-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(5px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(191, 149, 63, 0.1), rgba(252, 246, 186, 0.1));
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: #BF953F !important;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.icon-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    background: rgba(0,0,0,0.5);
}

.service-card:hover .icon-circle {
    background: transparent;
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(255, 193, 7, 0.4);
}

/* Gallery */
.gallery-item {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    cursor: pointer;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item img {
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: var(--gold-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(20px);
    transition: var(--transition);
}

.gallery-item:hover .icon-box {
    transform: translateY(0);
}

.gallery-overlay h4 {
    transform: translateY(20px);
    transition: var(--transition);
    transition-delay: 0.1s;
}

.gallery-item:hover .gallery-overlay h4 {
    transform: translateY(0);
}

/* More Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.masthead h1 {
    animation: float 6s ease-in-out infinite;
}

.btn-xl {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(255, 193, 7, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 193, 7, 0); }
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    width: 70px;
    height: 70px;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(45deg, #25d366, #128C7E);
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    font-size: 35px;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.6);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .masthead h1 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
        font-size: 30px;
        bottom: 20px;
        right: 20px;
    }
}

/* --- New Sections CSS --- */

/* Timeline */
.timeline {
    position: relative;
    padding: 0;
    list-style: none;
}

.timeline:before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 40px;
    width: 2px;
    margin-left: -1.5px;
    content: "";
    background-color: #e9ecef;
}

.timeline>li {
    position: relative;
    min-height: 50px;
    margin-bottom: 50px;
}

.timeline>li:after, .timeline>li:before {
    display: table;
    content: " ";
}

.timeline>li:after {
    clear: both;
}

.timeline>li .timeline-panel {
    position: relative;
    float: right;
    width: 100%;
    padding: 0 20px 0 100px;
    text-align: left;
}

.timeline>li .timeline-image {
    position: absolute;
    left: 0;
    width: 80px;
    height: 80px;
    z-index: 100;
    border: 7px solid #343a40;
    border-radius: 100%;
    background-color: #ffc107;
    overflow: hidden;
}

.timeline>li .timeline-image img {
    width: 100%;
    height: 100%;
}

@media (min-width: 768px) {
    .timeline:before {
        left: 50%;
    }
    .timeline>li {
        min-height: 100px;
        margin-bottom: 100px;
    }
    .timeline>li .timeline-panel {
        float: left;
        width: 41%;
        padding: 0 20px 20px 30px;
        text-align: right;
    }
    .timeline>li .timeline-image {
        left: 50%;
        width: 100px;
        height: 100px;
        margin-left: -50px;
    }
    .timeline>li.timeline-inverted > .timeline-panel {
        float: right;
        padding: 0 30px 20px 20px;
        text-align: left;
    }
}

@media (min-width: 992px) {
    .timeline>li .timeline-image {
        width: 170px;
        height: 170px;
        margin-left: -85px;
        border: 7px solid #343a40;
    }
}

/* Testimonials */
.testimonial-item {
    transition: var(--transition);
}

.testimonial-item:hover {
    transform: translateY(-5px);
    border-color: #fff !important;
}

/* FAQ Accordion */
.accordion-button:not(.collapsed) {
    color: #ffc107 !important;
    background-color: rgba(255, 193, 7, 0.1);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(255, 193, 7, 0.5);
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-button:not(.collapsed)::after {
    filter: invert(1) sepia(100%) saturate(1000%) hue-rotate(360deg);
}