* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: #333;
    overflow-x: hidden;
}

/* Header */
header {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(204, 0, 0, 0.2);
    border-bottom: 2px solid rgba(204, 0, 0, 0.3);
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-placeholder {
    width: 200px;
    height: 70px;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cc0000;
    font-weight: bold;
    font-size: 14px;
    border: 3px solid #cc0000;
    box-shadow: 0 4px 15px rgba(204, 0, 0, 0.3);
    transition: all 0.3s;
}

.logo-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(204, 0, 0, 0.4);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #cc0000;
    transition: width 0.3s;
}

.nav-links a:hover {
    color: #cc0000;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Slider Section */
.slider {
    margin-top: 110px;
    position: relative;
    height: 700px;
    overflow: hidden;
    background: #000;
}

.slider-container {
    position: relative;
    height: 100%;
    display: flex;
}

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: none;
    animation: fadeIn 1.2s ease-in-out;
}

.slide.active {
    display: block;
}

@keyframes fadeIn {
    from { 
        opacity: 0;
        transform: scale(1.1);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
    width: 85%;
    max-width: 900px;
}

.slide-badge {
    display: inline-block;
    background: rgba(204, 0, 0, 0.9);
    padding: 8px 25px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: slideDown 0.8s ease-out;
}

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

.slide-content h2 {
    font-size: 64px;
    margin-bottom: 25px;
    text-shadow: 3px 3px 15px rgba(0,0,0,0.8);
    font-weight: 800;
    line-height: 1.2;
    animation: slideUp 1s ease-out;
}

.slide-content p {
    font-size: 22px;
    margin-bottom: 40px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
    font-weight: 300;
    line-height: 1.6;
    animation: slideUp 1.2s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.slide1 .slide-bg {
    background: linear-gradient(135deg, #cc0000 0%, #8b0000 50%, #1a1a1a 100%);
}

.slide2 .slide-bg {
    background: linear-gradient(135deg, #1a1a1a 0%, #cc0000 50%, #000000 100%);
}

.slide3 .slide-bg {
    background: linear-gradient(135deg, #8b0000 0%, #cc0000 50%, #1a1a1a 100%);
}

.slide-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
}

.cta-button {
    display: inline-block;
    padding: 18px 50px;
    background: linear-gradient(135deg, #cc0000 0%, #ff0000 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.4s;
    box-shadow: 0 8px 30px rgba(204, 0, 0, 0.4);
    animation: slideUp 1.4s ease-out;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(204, 0, 0, 0.6);
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    border-color: white;
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.slider-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.4s;
    border: 2px solid rgba(255,255,255,0.6);
}

.slider-dot:hover {
    background: rgba(204, 0, 0, 0.7);
    transform: scale(1.2);
}

.slider-dot.active {
    background: #cc0000;
    width: 45px;
    border-radius: 7px;
    border-color: white;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(204, 0, 0, 0.8);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    transition: all 0.3s;
    z-index: 3;
    backdrop-filter: blur(10px);
}

.slider-arrow:hover {
    background: #cc0000;
    transform: translateY(-50%) scale(1.15);
    border-color: white;
    box-shadow: 0 0 30px rgba(204, 0, 0, 0.6);
}

.slider-arrow.prev {
    left: 40px;
}

.slider-arrow.next {
    right: 40px;
}

/* Info Bar */
.info-bar {
    background: linear-gradient(135deg, #cc0000 0%, #8b0000 100%);
    padding: 20px;
    text-align: center;
    color: white;
    font-weight: 600;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.info-bar span {
    margin: 0 30px;
}

/* Services Section */
.services {
    padding: 100px 40px;
    background: linear-gradient(180deg, #f8f8f8 0%, #ffffff 100%);
}

.section-title {
    text-align: center;
    font-size: 48px;
    margin-bottom: 20px;
    color: #1a1a1a;
    font-weight: 800;
}

.section-title span {
    color: #cc0000;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 60px;
    font-weight: 300;
}

.services-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.service-card {
    background: white;
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #cc0000 0%, #ff0000 100%);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 60px rgba(204, 0, 0, 0.15);
    border-color: #cc0000;
}

.service-icon {
    font-size: 64px;
    margin-bottom: 25px;
    display: inline-block;
    transition: all 0.4s;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(5deg);
}

.service-card h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #1a1a1a;
    font-weight: 700;
}

.service-card p {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
}

/* Why Us Section */
.why-us {
    padding: 100px 40px;
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(204,0,0,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.why-us-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    position: relative;
    z-index: 1;
}

.feature {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255,255,255,0.03);
    border-radius: 20px;
    transition: all 0.4s;
    border: 2px solid rgba(204, 0, 0, 0.2);
}

.feature:hover {
    background: rgba(204, 0, 0, 0.1);
    transform: translateY(-10px);
    border-color: #cc0000;
}

.feature-icon {
    font-size: 70px;
    margin-bottom: 25px;
    color: #cc0000;
    display: inline-block;
    transition: all 0.4s;
}

.feature:hover .feature-icon {
    transform: scale(1.15) rotate(-5deg);
}

.feature h3 {
    font-size: 26px;
    margin-bottom: 15px;
    font-weight: 700;
}

.feature p {
    font-weight: 300;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: 100px 40px;
    background: white;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 60px;
}

.contact-info {
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border-left: 6px solid #cc0000;
}

.contact-item {
    margin-bottom: 35px;
    transition: all 0.3s;
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item h3 {
    color: #cc0000;
    margin-bottom: 12px;
    font-size: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}

.contact-item p {
    color: #666;
    line-height: 1.8;
    margin-left: 35px;
    font-size: 15px;
}

.map-placeholder {
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 450px;
    color: #999;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 3px dashed #ccc;
}

.map-placeholder iframe {
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s;
    text-decoration: none;
    animation: pulse 2s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.6);
}

.whatsapp-button svg {
    width: 40px;
    height: 40px;
    fill: white;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7), 0 0 0 15px rgba(37, 211, 102, 0.1);
    }
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    color: white;
    text-align: center;
    padding: 50px 30px;
    border-top: 3px solid #cc0000;
}

footer p {
    margin-bottom: 12px;
    font-size: 15px;
}

footer a {
    color: #cc0000;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

footer a:hover {
    color: #ff0000;
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 75%;
        max-width: 300px;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: right 0.4s ease;
        padding: 40px;
        border-left: 3px solid #cc0000;
    }

    .nav-links::before {
        content: '';
        position: absolute;
        top: 60px;
        left: 50%;
        transform: translateX(-50%);
        width: 120px;
        height: 120px;
        background: url('images/logo2.png') center/contain no-repeat;
        border-radius: 50%;
        border: 3px solid #cc0000;
        padding: 10px;
    }

    .nav-links::after {
        content: '</> Özel Prestij';
        position: absolute;
        bottom: 150px;
        left: 50%;
        transform: translateX(-50%);
        color: #cc0000;
        font-size: 14px;
        font-weight: 600;
        text-align: center;
        white-space: nowrap;
        border: 2px solid #cc0000;
        padding: 10px 20px;
        border-radius: 8px;
        background: rgba(204, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 18px;
        padding: 12px 0;
    }

    nav {
        padding: 0 20px;
    }

    .slide-content h2 {
        font-size: 36px;
    }

    .slide-content p {
        font-size: 16px;
    }

    .slider {
        height: 500px;
        margin-top: 90px;
    }

    .logo-placeholder {
        width: 140px;
        height: 50px;
        font-size: 11px;
    }

    .slider-arrow {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }

    .slider-arrow.prev {
        left: 15px;
    }

    .slider-arrow.next {
        right: 15px;
    }

    .section-title {
        font-size: 36px;
    }

    .services, .why-us, .contact {
        padding: 60px 20px;
    }

    .info-bar {
        font-size: 14px;
    }

    .info-bar span {
        display: block;
        margin: 5px 0;
    }

    .whatsapp-button {
        width: 60px;
        height: 60px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-button svg {
        width: 35px;
        height: 35px;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 40px 30px;
    }
}