:root {
    --primary: #2c3e50;
    --secondary: #e74c3c;
    --accent: #3498db;
}

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

html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.4s ease;
    background: transparent !important;
    height: auto;
}

.navbar.scrolled {
    background: #ffffff2e !important;
    backdrop-filter: blur(10px);
    padding: 0.5rem 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.container-fluid {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
}

.navbar-logo {
    height: 120px;
    width: auto;
    transition: all 0.4s ease;
}

.navbar.scrolled .navbar-logo {
    height: 115px;
}

/* Navigation items styling */
.navbar-collapse {
    flex-grow: 0;
}

.navbar-nav {
    gap: 4rem;
    padding-right: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: 1.2rem;
    font-weight: 500;
    color: white !important;
    padding: 0.5rem 0 !important;
    position: relative;
    transition: all 0.3s ease;
}

.navbar.scrolled .nav-link {
    color: var(--primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.navbar-toggler {
    border: none;
    padding: 0;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Responsive styles */
@media (max-width: 1400px) {
    .navbar-logo {
        height: 115px;
    }
    
    .navbar.scrolled .navbar-logo {
        height: 110px;
    }

    .navbar-nav {
        gap: 3.5rem;
    }
}

@media (max-width: 1200px) {
    .navbar-logo {
        height: 110px;
    }
    
    .navbar.scrolled .navbar-logo {
        height: 105px;
    }

    .navbar-nav {
        gap: 3rem;
    }
}

@media (max-width: 991px) {
    .navbar {
        background: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: blur(10px);
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    .navbar-logo {
        height: 105px;
    }
    
    .navbar.scrolled .navbar-logo {
        height: 100px;
    }

    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        position: absolute;
        top: 100%;
        right: 20px;
        width: auto;
        min-width: 200px;
        margin-top: 0.5rem;
        padding: 2rem;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    .navbar-nav {
        gap: 2rem;
        padding-right: 0;
    }

    .nav-link {
        color: var(--primary) !important;
        font-size: 1.2rem;
        text-align: center;
    }

    .navbar-toggler {
        color: var(--primary);
    }

    .navbar-toggler-icon {
        filter: invert(0); /* Make hamburger icon dark */
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.5rem 0;
    }

    .navbar-logo {
        height: 100px;
    }
    
    .navbar.scrolled .navbar-logo {
        height: 95px;
    }

    .navbar-nav {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .navbar-collapse {
        right: 10px;
        left: 10px;
        margin-top: 0.5rem;
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6)), 
                url('https://images.unsplash.com/photo-1566251037378-5e04e3bec343') center/cover;
    overflow: hidden;
    color: white;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    margin-top: 6rem;
    background: linear-gradient(45deg, #ffffff, #f8f9fa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    max-width: 800px;
    margin-bottom: 2rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(231, 76, 60, 0.2), rgba(52, 152, 219, 0.2));
    animation: gradientBG 10s ease infinite;
}

.hero-dots {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1) 2px, transparent 2px);
    background-size: 50px 50px;
    animation: parallaxDots 20s linear infinite;
    opacity: 0.5;
}

.hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    perspective: 1000px;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--secondary);
    opacity: 0;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px) rotateX(10deg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover .feature-icon {
    background: var(--secondary);
    color: white;
    transform: scale(1.2) rotate(360deg);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    color: #666;
    font-size: 0.95rem;
}

.feature-list li::before {
    content: '✓';
    margin-right: 10px;
    color: var(--secondary);
    font-weight: bold;
}

/* Buttons */
.btn-custom {
    padding: 0.8rem 2rem;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s ease;
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    border: none;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Animations */
@keyframes gradientBG {
    0% { opacity: 0.2; }
    50% { opacity: 0.4; }
    100% { opacity: 0.2; }
}

@keyframes parallaxDots {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50px); }
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #e74c3c, #3498db);
    z-index: 9999;
    transition: width 0.1s;
}

/* Responsive */
@media (max-width: 1200px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    .navbar-collapse {
        background: white;
        padding: 2rem;
        border-radius: 10px;
        margin-top: 1rem;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    .nav-item {
        margin: 1rem 0;
    }

    .nav-link {
        font-size: 1.2rem;
        padding: 0.5rem !important;
    }

    .nav-link::before {
        display: none;
    }

    .nav-link:hover {
        background: rgba(231, 76, 60, 0.1);
        border-radius: 5px;
    }
}

@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }
}

.contact {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('https://images.unsplash.com/photo-1566251037378-5e04e3bec343?auto=format&fit=crop&w=1920&q=80') center/cover fixed;
}

.contact-container {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 500;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.contact-divider {
    width: 60px;
    height: 3px;
    background: var(--secondary);
    margin: 2rem auto;
    border-radius: 2px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.contact-name {
    font-size: 2.2rem;
    color: white;
    font-weight: 600;
    position: relative;
    text-align: center;
    padding-bottom: 1rem;
}

.contact-name::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--secondary);
    transition: width 0.3s ease;
}

.contact-card:hover .contact-name::after {
    width: 80px;
}

.contact-phone-wrapper {
    position: relative;
    padding: 1rem;
    text-align: center;
}

/* Önceki stiller aynı kalacak, sadece email ile ilgili stiller güncellenecek */

.contact-email-wrapper {
    position: relative;
    padding: 1rem;
    text-align: center;
}

.contact-email {
    text-decoration: none;
    color: white;
    font-size: 1.6rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-email:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.contact-icon {
    color: var(--secondary);
    font-size: 1.6rem;
    transition: all 0.3s ease;
}

.contact-email:hover .contact-icon {
    transform: translateY(-2px) scale(1.1);
}

@media (max-width: 768px) {
    .contact {
        padding: 4rem 0;
    }

    .contact-card {
        padding: 2rem;
        margin: 0 1rem;
    }

    .contact-title {
        font-size: 2rem;
    }

    .contact-name {
        font-size: 1.2rem;
    }

    .contact-email {
        font-size: 1.3rem;
        padding: 0.8rem 1.5rem;
    }

    .contact-icon {
        font-size: 1.4rem;
    }
}