/* Custom Properties */
:root {
    --primary: #0077ff;
    --primary-dark: #0055cc;
    --secondary: #00e6ff;
    --bg-dark: #070B14;
    --text-light: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --error: #ff4444;
    --success: #00cc88;
}

/* Reset & Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

/* Alert Messages */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.alert-success {
    background: rgba(0, 204, 136, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

/* Background Effects */
.background {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--primary) 0.5px, transparent 0.5px),
        linear-gradient(90deg, var(--primary) 0.5px, transparent 0.5px);
    background-size: 50px 50px;
    opacity: 0.03;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.orbs {
    position: absolute;
    inset: 0;
    filter: blur(100px);
}

.orb {
    position: absolute;
    border-radius: 50%;
    opacity: 0.2;
    animation: float 20s infinite ease-in-out;
}

.orb:nth-child(1) {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.orb:nth-child(2) {
    width: 600px;
    height: 600px;
    background: var(--secondary);
    bottom: 10%;
    right: 20%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-light);
    text-decoration: none;
}

/* Mobil Menü */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    background: var(--glass-bg);
}

.mobile-menu-btn .menu-icon,
.mobile-menu-btn .close-icon {
    width: 24px;
    height: 24px;
}

.mobile-menu-btn .close-icon {
    display: none;
}

/* Mobil menü açık durumu */
.nav-container.menu-open .mobile-menu-btn .menu-icon {
    display: none;
}

.nav-container.menu-open .mobile-menu-btn .close-icon {
    display: block;
}

.nav-container.menu-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #063243;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1rem;
    margin-top: 0.5rem;
    gap: 0.5rem;
}

.nav-container.menu-open .nav-link {
    padding: 0.75rem 1rem;
    width: 100%;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
    }

    .nav-container {
        padding: 0.75rem 1rem;
    }

    .logo {
        font-size: 1.1rem;
    }

    .logo-icon {
        width: 2rem;
        height: 2rem;
    }
}
.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: contain; /* SVG'nin oranını koru */
    border-radius: 0.75rem;
}
.logo-img {
    height: 35px; /* veya istediğiniz yükseklik */
    width: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .logo-img {
        height: 30px; /* mobilde daha küçük görünsün */
    }
}

.nav-links {
    display: flex;
    gap: 2rem;
    margin-left: auto;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: var(--glass-bg);
    color: var(--primary);
}

.nav-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Main Content */
main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 7rem 1.5rem;
}

.content {
    width: 100%;
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Hero Section */
.hero {
    padding: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.feature-icon {
    color: var(--primary);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Login Form */
.login-container {
    position: relative;
}

.login-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-muted);
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-group input {
    width: 100%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    padding: 1rem 1rem 1rem 3rem;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 119, 255, 0.2);
}

.input-group .input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: color 0.3s ease;
    width: 20px;
    height: 20px;
}

.input-group input:focus + .input-icon {
    color: var(--primary);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    background: var(--glass-bg);
    cursor: pointer;
}

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 0.75rem;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 255, 0.2);
}

.login-btn:active {
    transform: translateY(0);
}

.login-btn svg {
    width: 20px;
    height: 20px;
}

.login-btn .animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Footer */
footer {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 1.5rem;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--text-muted);
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    color: var(--primary);
    background: var(--glass-bg);
}

.social-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero {
        order: 1;
        padding: 1rem;
    }

    .login-container {
        order: 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .logo {
        font-size: 1.1rem;
    }
    
    .logo-icon {
        width: 2rem;
        height: 2rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .login-form {
        padding: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
}

.grecaptcha-badge { 
    visibility: hidden;
}