/* General Styles */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4cc9f0;
    --dark-color: #0b132b;
    --light-color: #f8f9fa;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --grey-color: #6c757d;
    --grey-light-color: #e9ecef;
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary {
    background-color: var(--dark-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #1a2333;
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Header Styles */
.site-header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    color: var(--dark-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 40px;
    margin-right: 0.5rem;
}

.main-nav ul {
    display: flex;
    list-style: none;
}

.main-nav ul li {
    margin-left: 1.5rem;
}

.main-nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--primary-color);
}

.main-nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-buttons .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.header-buttons .btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.header-buttons .btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--dark-color);
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background-color: white;
    z-index: 999;
    padding: 2rem 1.5rem;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu ul li {
    margin-bottom: 1.5rem;
}

.mobile-menu ul li a {
    color: var(--dark-color);
    font-size: 1.25rem;
    font-weight: 500;
}

.mobile-buttons {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
}

.mobile-buttons a {
    margin-bottom: 1rem;
    text-align: center;
}

/* Footer Styles */
.site-footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 35px;
    margin-right: 0.5rem;
}

.footer-logo span {
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: #b3b9c5;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    margin-top: 1.5rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    margin-right: 0.75rem;
    color: white;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 4px 0 0 4px;
    outline: none;
}

.newsletter-form button {
    border-radius: 0 4px 4px 0;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.payment-methods {
    display: flex;
    align-items: center;
}

.payment-methods img {
    height: 24px;
    margin-left: 0.75rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .main-nav, .header-buttons {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu {
        display: none;
    }
    
    .mobile-menu.active {
        display: block;
    }
    
    .site-header.menu-open .mobile-menu-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .site-header.menu-open .mobile-menu-toggle span:nth-child(2) {
        opacity: 0;
    }
    
    .site-header.menu-open .mobile-menu-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .payment-methods {
        margin-top: 1rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
}

/* Mobil Görünüm için Medya Sorguları */
@media (max-width: 992px) {
    .main-nav, .header-buttons {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: 1rem;
        box-shadow: var(--shadow-md);
        z-index: 999;
    }

    .mobile-menu.active {
        display: block;
    }

    .mobile-menu ul {
        list-style: none;
        padding: 0;
    }

    .mobile-menu ul li {
        margin: 0.5rem 0;
    }

    .mobile-menu ul li a {
        display: block;
        padding: 0.5rem 0;
        color: var(--dark-color);
        font-weight: 500;
    }

    .mobile-buttons {
        margin-top: 1rem;
        text-align: center;
    }

    .mobile-buttons a {
        display: inline-block;
        width: 100%;
        text-align: center;
    }

    .site-header.menu-open .mobile-menu-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .site-header.menu-open .mobile-menu-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .site-header {
        padding: 0.75rem 0;
    }

    .logo a {
        font-size: 1.25rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mt-5 {
    margin-top: 3rem;
}

.py-1 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-2 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-3 {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.py-4 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.py-5 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.px-1 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.px-2 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.px-3 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-4 {
    padding-left: 2rem;
    padding-right: 2rem;
}

.px-5 {
    padding-left: 3rem;
    padding-right: 3rem;
}