/* Custom CSS - Only for features Bootstrap can't handle */

* { font-family: 'Poppins', sans-serif; }
body { overflow-x: hidden; }

:root {
    --primary-color: #FFD700;
    --primary-dark: #FFA500;
    --primary-light: #FFE55C;
    --secondary-color: #1a1a1a;
    --secondary-dark: #000000;
    --secondary-light: #2d2d2d;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-muted: #666666;
    --border-color: rgba(255, 215, 0, 0.2);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Bootstrap Overrides */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--secondary-dark);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--secondary-dark);
    box-shadow: 0 6px 16px rgba(255, 165, 0, 0.4);
    transform: translateY(-2px);
}
.btn-outline-light { border-color: rgba(255, 255, 255, 0.8); }
.btn-outline-light:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--secondary-dark);
}
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }

/* Navbar - Custom backdrop & transitions only */
.navbar {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 0.99) !important;
}
.navbar-brand { transition: var(--transition); }
.navbar-brand:hover { transform: scale(1.05); }
.navbar-brand:hover .navbar-logo { transform: scale(1.1); }
.navbar-logo { transition: var(--transition); }
.navbar-toggler { border: none; box-shadow: none !important; }
.navbar-toggler:focus { box-shadow: none !important; }
.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(0, 0, 0, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Nav Links - Custom hover effects only */
.nav-link {
    position: relative;
    transition: var(--transition);
    border-radius: 8px;
}
.nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(255, 165, 0, 0.08));
    border-radius: 8px;
    transition: var(--transition);
    z-index: -1;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 2px;
    transition: var(--transition);
}
.nav-link:hover { color: var(--primary-color) !important; transform: translateY(-2px); }
.nav-link:hover::before { transform: translate(-50%, -50%) scale(1); }
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); width: 60%; }
.nav-link.active {
    color: var(--primary-color) !important;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(255, 165, 0, 0.08));
}
.nav-link.active::after { transform: translateX(-50%) scaleX(1); width: 60%; }
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
}

/* Hero & Banner - Custom backgrounds & animations only */
.hero-section, .page-banner {
    min-height: 50vh;
    position: relative;
    overflow: hidden;
}
.hero-bg, .page-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    animation: heroZoom 20s ease-in-out infinite alternate;
}
.hero-bg {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.75), rgba(26, 26, 26, 0.75)), url('images/tuzla_konteyner.jpeg') center/cover;
}
.page-banner-bg {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.75), rgba(26, 26, 26, 0.75)), url('images/gebze_konteyner.jpeg') center/cover;
}
@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}
.hero-content h1, .page-banner h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.hero-content p, .page-banner p {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.page-banner h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
.page-banner p { font-size: clamp(1rem, 2vw, 1.25rem); color: rgba(255, 255, 255, 0.95); }
.page-banner-content { position: relative; z-index: 1; }

/* Buttons - Custom ripple effect only */
.btn-modern {
    position: relative;
    overflow: hidden;
    border-radius: 50px;
    transition: var(--transition);
}
.btn-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}
.btn-modern:hover::before { width: 300px; height: 300px; }
.btn-modern:hover { transform: translateY(-3px); }

/* Section Heading - Gradient text only */
.section-heading h2 {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
}

/* Cards - Custom hover effects only */
.modern-card {
    transition: var(--transition);
    border: 1px solid rgba(255, 215, 0, 0.15) !important;
}
.modern-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 32px rgba(255, 215, 0, 0.2) !important;
    border-color: var(--primary-color) !important;
}
.modern-card-img { height: 250px; position: relative; }
.modern-card-img img {
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.modern-card:hover .modern-card-img img { transform: scale(1.15); }
.modern-card-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-dark);
    font-size: 1.8rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    transition: var(--transition);
    z-index: 2;
    border: 4px solid white;
    font-weight: 600;
}
.modern-card:hover .modern-card-icon {
    bottom: 25px;
    right: 25px;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}

.project-card { transition: var(--transition); }
.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.16) !important;
}
.project-card-img { height: 280px; }
.project-card-img img {
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.project-card:hover .project-card-img img { transform: scale(1.1); }
.project-card-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    opacity: 0;
    transition: var(--transition);
}
.project-card:hover .project-card-overlay { opacity: 1; }

.about-img img { transition: var(--transition); }
.about-img:hover img { transform: scale(1.05); }

.feature-item { transition: var(--transition); }
.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12) !important;
}
.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-dark);
    font-size: 1.5rem;
    flex-shrink: 0;
    font-weight: 600;
}

.contact-info-card { transition: var(--transition); }
.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15) !important;
}
.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-dark);
    font-size: 1.8rem;
    flex-shrink: 0;
    transition: var(--transition);
    font-weight: 600;
}
.contact-info-card:hover .contact-icon { transform: scale(1.1) rotate(5deg); }

/* Footer - Custom gradient & effects only */
footer {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
}
.footer-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}
.footer-logo:hover {
    transform: scale(1.1);
    filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}
.footer-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}
.footer-link:hover {
    color: white !important;
    transform: translateX(5px);
}
.social-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.social-icon:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px) scale(1.1);
    color: white;
}

/* WhatsApp Button - Custom animation */
.whatsapp-btn {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.16);
    transition: var(--transition);
    animation: pulse 2s ease-in-out infinite;
    z-index: 1000;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}
.whatsapp-btn:hover {
    transform: scale(1.15);
    animation: none;
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.4);
}

/* Fade-in Animation */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 404 Error Page - Animations and effects Bootstrap can't handle */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.error-number {
    font-size: 15rem;
    letter-spacing: 0.2em;
    animation: fadeIn 0.8s ease-out;
    text-shadow: 
        0 0 0 rgba(255, 255, 255, 0.1),
        0 2px 10px rgba(0, 0, 0, 0.2);
}

.error-number::before {
    content: '404';
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    color: transparent;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.1);
}

.konteyner-icon {
    animation: fadeIn 0.6s ease-out;
    opacity: 0.3;
}

.error-text {
    animation: slideIn 0.8s ease-out 0.2s both;
}

.error-subtext {
    animation: slideIn 0.8s ease-out 0.4s both;
}

.btn-home {
    animation: slideIn 0.8s ease-out 0.6s both;
    transition: all 0.3s ease;
}

.btn-home:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3) !important;
    color: #1a1a1a !important;
}

/* Detail Pages - Shared styles */
.detail-section {
    padding: 5rem 0;
}

.detail-header {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
}

.detail-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.detail-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.detail-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    background: white;
    transition: var(--transition);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.15);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
    opacity: 1;
}

.gallery-item-large {
    grid-column: span 2;
    aspect-ratio: 16/9;
}

/* Service Icon Large */
.service-icon-large {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-dark);
    font-size: 3rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

/* Service Features */
.service-features {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 3rem;
}

.service-features .feature-item {
    padding: 1rem;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: var(--transition);
}

.service-features .feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-sm);
}

.service-features .feature-item h5 {
    color: var(--secondary-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.service-features .feature-item p {
    color: var(--text-muted);
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius);
    padding: 4rem 2rem;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section, .page-banner { min-height: 45vh; }
    .modern-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        bottom: 15px;
        right: 15px;
    }
    .error-number { 
        font-size: 8rem !important; 
        letter-spacing: 0.1em !important;
    }
    .konteyner-icon { font-size: 5rem !important; }
    .error-text { font-size: 1.5rem !important; }
    .error-subtext { font-size: 1rem !important; }
    .gallery-item-large {
        grid-column: span 1;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .detail-header {
        padding: 1.5rem;
    }
    .detail-title {
        font-size: 1.8rem;
    }
    .service-icon-large {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
}