:root { 
    --navy-900: #0B1B3A; /* derin lacivert */
    --navy-700: #123263;
    --navy-100: #EEF3FA;
    --text: #0E1726;
    --accent: #0B1B3A;  /* derin lacivert vurgusu */
    --accent-color: #0B1B3A; 
    --dark-blue: #0B1B3A; /* Koyu Lacivert Renk */
}

body { 
    font-family: 'Montserrat', sans-serif; 
    scroll-behavior: smooth; 
    color: var(--text); 
}

/* Tipografi sınıfları */
.h-display { 
    font-family: "Playfair Display", serif; 
    letter-spacing: .2px; 
    font-weight: 600;
}
.h-hero { 
    font-size: clamp(28px, 4vw, 60px); 
    line-height: 1.1; 
    font-weight: 600;
}
.h-sec { 
    font-size: clamp(22px, 2.4vw, 36px); 
    font-weight: 600;
}
.h-page-title {
    font-family: "Playfair Display", serif;
    font-size: clamp(32px, 5vw, 72px);
    font-weight: 600;
    letter-spacing: .3px;
    line-height: 1.1;
}
.h-section-title {
    font-family: "Playfair Display", serif;
    font-size: clamp(24px, 3vw, 48px);
    font-weight: 600;
    letter-spacing: .2px;
    line-height: 1.2;
}
.text-elegant {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: .1px;
}
.text-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: clamp(16px, 2vw, 24px);
    line-height: 1.6;
    letter-spacing: .2px;
}

/* Layout genişlik ayarları */
.container {
    max-width: 1400px !important;
}

@media (min-width: 1280px) {
    .container {
        max-width: 1600px !important;
    }
}

/* Section padding artırma */
section {
    padding-left: 2rem;
    padding-right: 2rem;
}

@media (min-width: 768px) {
    section {
        padding-left: 4rem;
        padding-right: 4rem;
    }
}

@media (min-width: 1024px) {
    section {
        padding-left: 6rem;
        padding-right: 6rem;
    }
}

/* Grid ve flex genişlikleri artırma */
.grid {
    gap: 2rem;
}

@media (min-width: 768px) {
    .grid {
        gap: 3rem;
    }
}

@media (min-width: 1024px) {
    .grid {
        gap: 4rem;
    }
}

/* Card genişlikleri artırma */
.card, .product-card, .project-card {
    min-height: 300px;
}

@media (min-width: 768px) {
    .card, .product-card, .project-card {
        min-height: 350px;
    }
}

/* Hero section genişlik artırma */
.hero-content {
    max-width: 1200px;
}

@media (min-width: 1280px) {
    .hero-content {
        max-width: 1400px;
    }
}

/* Hero Slider */
.hero-slider {
    position: relative;
    min-height: 88vh;
    overflow: hidden;
    background: var(--navy-900);
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

.slider-container {
    position: relative;
    width: 100vw;
    height: 88vh;
    margin-left: calc(-50vw + 50%);
}

.slider-images {
    position: relative;
    width: 100vw;
    height: 100%;
    margin-left: calc(-50vw + 50%);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    overflow: hidden;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100vw;
    height: 100%;
    object-fit: cover;
    animation: kenburns 20s ease-in-out infinite alternate;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100%;
    background: linear-gradient(135deg, rgba(11,27,58,0.7), rgba(11,27,58,0.3));
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-content {
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 2rem;
    animation: slideContentFadeIn 1s ease-out 0.5s both;
}

.slide-title {
    font-family: "Playfair Display", serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.slide-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.slide-button {
    display: inline-block;
    background: white;
    color: var(--dark-blue);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.slide-button:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.slider-nav:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev {
    left: 2rem;
}

.slider-next {
    right: 2rem;
}

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255,255,255,0.8);
}

@keyframes kenburns { 
    from { transform: scale(1) translateY(0) } 
    to { transform: scale(1.12) translateY(-2%) } 
}

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

.hero-overlay::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0; 
    background-color: rgba(0, 0, 0, 0.5); 
    z-index: 1; 
}

.hero-content { 
    position: relative;
    z-index: 2; 
}

/* AÇILIŞ ANİMASYONU (PRELOADER) */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.preloader .logo {
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader .logo img {
    height: 150px;
    width: auto;
    animation: pulse 2s infinite ease-in-out;
    filter: drop-shadow(0 4px 8px rgba(11,27,58,0.15));
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* Header Animasyonu */
header { 
    transition: padding 0.3s ease-in-out, background-color 0.3s ease-in-out; 
}

header.scrolled { 
    padding-top: 0.5rem; 
    padding-bottom: 0.5rem; 
    background-color: rgba(255,255,255,0.95); 
    backdrop-filter: blur(10px); 
}

.logo img { 
    height: 100px; 
    width: auto; 
    transition: all 0.3s ease-in-out; 
    filter: drop-shadow(0 4px 8px rgba(11,27,58,0.15));
}

header.scrolled .logo img { 
    height: 80px; 
}

/* Şık Logo Stilleri */
.logo-premium {
    position: relative;
    display: inline-block;
}

.logo-premium img {
    height: 120px;
    width: auto;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 6px 12px rgba(11,27,58,0.2));
    border: 2px solid var(--navy-900);
    border-radius: 8px;
    padding: 8px;
}

.logo-premium:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 8px 16px rgba(11,27,58,0.3));
    border-color: var(--accent-color);
}

.logo-text {
    font-family: "Playfair Display", serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy-900);
    letter-spacing: 0.5px;
}

.logo-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--navy-700);
    letter-spacing: 0.3px;
}

/* Sürekli Kayan Karusel (Marquee) */
@keyframes marquee { 
    0% { transform: translateX(0%); } 
    100% { transform: translateX(-50%); } 
}

.marquee-track { 
    display: flex; 
    animation: marquee 20s linear infinite; 
    gap: 2rem;
    will-change: transform;
    /* Genişlik JavaScript ile dinamik olarak ayarlanacak */
}

.marquee-container:hover .marquee-track { 
    animation-play-state: paused; 
}

.marquee-item { 
    flex-shrink: 0;
    width: 280px;
    position: relative;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.marquee-item:hover {
    transform: translateY(-12px) scale(1.08);
    z-index: 10;
}

.marquee-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.marquee-item:hover img {
    transform: scale(1.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Ürün overlay efekti */
.marquee-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(11, 27, 58, 0.8), rgba(11, 27, 58, 0.6));
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 12px;
    z-index: 1;
}

.marquee-item:hover::before {
    opacity: 1;
}

/* Ürün bilgi overlay */
.marquee-item .product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    transform: translateY(100%);
    transition: transform 0.4s ease;
    z-index: 2;
    border-radius: 0 0 12px 12px;
}

.marquee-item:hover .product-overlay {
    transform: translateY(0);
}

.marquee-item .product-overlay h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.marquee-item .product-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

/* Koleksiyon ürünleri için sade efektler */
.marquee-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(11, 27, 58, 0.1), rgba(11, 27, 58, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
    border-radius: 12px;
}

.marquee-item:hover::after {
    opacity: 1;
}

/* Artistik Geçiş Animasyonları */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0B1B3A 0%, #1A2B4A 50%, #2A3B5A 100%);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-transition-overlay.active {
    opacity: 1;
    visibility: visible;
}

.page-transition-overlay .transition-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
}

.page-transition-overlay .transition-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease 0.3s forwards;
}

.page-transition-overlay .transition-content p {
    font-size: 1.2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease 0.5s forwards;
}

.page-transition-overlay .loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    margin: 2rem auto 0;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.7s forwards, spin 1s linear 0.7s infinite;
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Ürün kartı hover efektleri */
.product-card-hover {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.product-card-hover:hover::before {
    left: 100%;
}

.product-card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

/* Ürün kartları için hover efektleri */
.product-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-card:hover .product-detail-btn {
    background-color: #1a365d !important;
    transform: scale(1.05);
}

.product-detail-btn {
    transition: all 0.3s ease;
}

.product-detail-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.section-title::after { 
    content: ''; 
    display: block; 
    width: 80px; 
    height: 2px; 
    background-color: var(--accent-color); 
    margin: 1rem auto 0; 
    opacity: 0.8; 
}

.vertical-line { 
    background-color: var(--accent-color); 
}

.project-card-title { 
    transform: translateY(100%); 
    transition: transform 0.4s ease-in-out; 
}

.group:hover .project-card-title { 
    transform: translateY(0); 
}

.group:hover .project-card-overlay { 
    background-color: rgba(0,0,0,0.6); 
}

.project-card-overlay { 
    transition: background-color 0.4s ease-in-out; 
}

.mobile-menu { 
    transition: transform 0.3s ease-in-out; 
}

/* Mobil menü link stilleri */
.mobile-menu-link {
    color: var(--dark-blue);
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

.mobile-menu-link:hover {
    color: var(--accent-color);
}

/* Modal Stilleri */
.modal-overlay {
    transition: opacity 0.3s ease;
}

.modal-content {
    transition: transform 0.3s ease;
}

/* Ürün kartı hover efektleri */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* Artistik Kart Efektleri */
.card {
    position: relative; 
    overflow: hidden; 
    border-radius: 18px;
    transition: transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .4s;
    background: #fff;
}

.card img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform .9s ease; 
}

.card::after { 
    /* lacivert çizgi */
    content: ""; 
    position: absolute; 
    inset: auto 16px 16px 16px; 
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: .0; 
    transition: opacity .4s .1s;
}

.card:hover { 
    transform: translateY(-6px); 
    box-shadow: 0 20px 40px rgba(11,27,58,.15); 
}

.card:hover img { 
    transform: scale(1.06); 
}

.card:hover::after { 
    opacity: .9; 
}

/* Caption glaze */
.card .caption {
    position: absolute; 
    inset: auto 0 0 0; 
    padding: 20px 18px; 
    color: #fff;
    background: linear-gradient(0deg, rgba(0,0,0,.8), rgba(0,0,0,0));
    transform: translateY(40%); 
    transition: transform .45s ease;
    min-height: 90px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.card:hover .caption { 
    transform: translateY(0%); 
}

/* Bölüm Geçişleri - Diagonal Kesitler */
.section-angle {
    position: relative; 
    padding-block: 6rem; 
    background: #fff;
}

.section-angle::before {
    content: ""; 
    position: absolute; 
    inset: -80px 0 auto 0; 
    height: 100px;
    background: var(--navy-900); 
    transform: skewY(-3deg); 
    transform-origin: top left;
    clip-path: polygon(0 0, 30% 0, 100% 100%, 0 100%);
}

.section-dark { 
    background: var(--navy-900); 
    color: #fff; 
}

/* Vision & Mission Accordion Styles */
.vision-mission-accordion {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.vision-mission-accordion:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.vision-mission-accordion.active {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: var(--accent-color);
}

.accordion-header {
    position: relative;
    overflow: hidden;
}

.accordion-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.accordion-header:hover::before {
    left: 100%;
}

.accordion-content {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-10px);
}

.vision-mission-accordion.active .accordion-content {
    opacity: 1;
    transform: translateY(0);
}

.accordion-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.vision-mission-accordion.active .accordion-icon {
    color: var(--accent-color);
}

/* Smooth reveal animation for accordion content */
@keyframes accordionReveal {
    0% {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.vision-mission-accordion.active .accordion-content p {
    animation: accordionReveal 0.6s ease-out 0.2s both;
}

/* Navigasyon Lacivert Çizgi Mikro Etkileşim */
.nav-link {
    position: relative; 
    padding: .2rem 0;
}

.nav-link::after {
    content: ""; 
    position: absolute; 
    left: 0; 
    right: 100%; 
    bottom: -2px; 
    height: 2px; 
    background: var(--accent);
    transition: right .35s ease;
}

.nav-link:hover::after { 
    right: 0; 
}

/* Scroll Reveal Animasyonları */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Ürün Detay Sayfası Stilleri */
.product-gallery {
    position: relative;
}

.product-gallery img {
    transition: all 0.3s ease;
}

.product-gallery img:hover {
    transform: scale(1.02);
}

.thumbnail-active {
    border-color: var(--navy-900) !important;
    transform: scale(1.05);
}

.spec-item {
    border-bottom: 1px solid #e5e7eb;
    transition: background-color 0.2s ease;
}

.spec-item:hover {
    background-color: #f9fafb;
}

.usage-tag {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    transition: all 0.3s ease;
}

.usage-tag:hover {
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
    color: white;
    transform: translateY(-2px);
}

.related-product {
    transition: all 0.3s ease;
}

.related-product:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.contact-button {
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
    transition: all 0.3s ease;
}

.contact-button:hover {
    background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(11, 27, 58, 0.3);
}

/* Breadcrumb Stilleri */
.breadcrumb {
    font-size: 0.875rem;
    color: #6b7280;
}

.breadcrumb a {
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: var(--navy-900);
}

/* Responsive Ürün Galerisi */
@media (max-width: 768px) {
    .product-gallery .aspect-square {
        aspect-ratio: 4/3;
    }
    
    .thumbnail-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
}

/* Sade Ürün Detay Geçiş Efekti */
.simple-page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.simple-page-transition.fade-out {
    opacity: 0;
}

.simple-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 27, 58, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
}

.simple-content {
    text-align: center;
    color: white;
}

.simple-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: simple-spin 1s linear infinite;
}

.simple-text {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
}

@keyframes simple-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spin-fast {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* WhatsApp Butonu */
.whatsapp-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    background: #25D366;
    color: white;
    padding: 1.2rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: whatsappPulse 2s infinite;
    font-size: 1rem;
}

.whatsapp-link:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    color: white;
}

.whatsapp-link i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

.whatsapp-text {
    font-weight: 600;
    font-size: 0.9rem;
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.8);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* Mobil Responsive */
@media (max-width: 768px) {
    .whatsapp-button {
        bottom: 1rem;
        right: 1rem;
    }
    
    .whatsapp-link {
        padding: 0.8rem 1rem;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-link i {
        margin-right: 0;
        font-size: 1.8rem;
    }
    
    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .slider-prev {
        left: 1rem;
    }
    
    .slider-next {
        right: 1rem;
    }
}

@keyframes slide-out {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* Ürün Kartlarına Hover Efekti */
.marquee-item {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.marquee-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(11,27,58,0.15);
}

.marquee-item img {
    transition: all 0.3s ease;
}

.marquee-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.05);
}

/* Sade hover aktif durumu */
.marquee-item.hover-active {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(11,27,58,0.2);
}

.marquee-item.hover-active img {
    transform: scale(1.08);
    filter: brightness(1.08) contrast(1.05);
}

/* Loading spinner */
.loading-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* REFERENCES PAGE - LOGO STYLES LIKE ROKESTONE */

.filter-btn {

    padding: 0.5rem 1.5rem;

    background-color: #f8f9fa;

    border: 1px solid #e9ecef;

    border-radius: 2rem;

    color: #6c757d;

    font-weight: 500;

    transition: all 0.3s ease;

    cursor: pointer;

}



.filter-btn:hover {

    background-color: var(--accent-color);

    color: white;

    border-color: var(--accent-color);

}



.filter-btn.active {

    background-color: var(--accent-color);

    color: white;

    border-color: var(--accent-color);

}



.reference-logo {

    background: #fff;

    border: 1px solid #e2e8f0;

    border-radius: 12px;

    padding: 1.5rem;

    height: 120px;

    display: flex;

    align-items: center;

    justify-content: center;

    transition: all 0.3s ease;

    cursor: pointer;

    overflow: hidden;

    position: relative;

}



.reference-logo:hover {

    transform: translateY(-5px);

    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);

    border-color: var(--accent-color);

}



.reference-logo img {

    max-width: 100%;

    max-height: 80px;

    object-fit: contain;

    transition: transform 0.3s ease;

    filter: grayscale(0.3);

}



.reference-logo:hover img {

    transform: scale(1.05);

    filter: grayscale(0);

}



/* Loading placeholders */

.loading-placeholder .animate-pulse {

    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;

}



@keyframes pulse {

    0%, 100% {

        opacity: 1;

    }

    50% {

        opacity: 0.5;

    }

}