/* Genel Stiller */
:root {
    --primary-color: #2ecc71;
    --secondary-color: #27ae60;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

/* Header Stilleri */
.header {
    padding-top: 80px;
}

.navbar {
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand img {
    transition: var(--transition);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: var(--transition);
}

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

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

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

/* Hero Section Stilleri */
.hero-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-section h1 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.hero-section .lead {
    color: #666;
    font-size: 1.2rem;
}

/* Bağış Türleri Stilleri */
.donation-types {
    background-color: #fff;
}

.card {
    transition: var(--transition);
    border-radius: 15px;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

.card-title {
    color: var(--dark-color);
    font-weight: 600;
}

/* İstatistikler Stilleri */
.statistics {
    background-color: var(--light-color);
}

.stat-item {
    padding: 2rem;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item i {
    color: var(--primary-color);
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin: 1rem 0;
}

.stat-item p {
    color: #666;
    font-size: 1.1rem;
}

/* Footer Stilleri */
.footer {
    background-color: var(--dark-color);
}

.footer h5 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer p {
    color: #ccc;
}

.footer a {
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--primary-color) !important;
}

.social-links a {
    display: inline-block;
    width: 35px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition);
}

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

/* Responsive Stiller */
@media (max-width: 991.98px) {
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 767.98px) {
    .header {
        padding-top: 60px;
    }
    
    .hero-section {
        text-align: center;
        padding: 80px 0 40px;
    }
    
    .hero-section img {
        margin-top: 2rem;
    }
    
    .stat-item {
        margin-bottom: 2rem;
    }
}

/* Animasyonlar */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-section, .donation-types, .statistics {
    animation: fadeIn 1s ease-out;
}

/* Özel Buton Stilleri */
.btn {
    padding: 0.8rem 1.5rem;
    font-weight: 500;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-lg {
    padding: 1rem 2rem;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Kart Hover Efektleri */
.card {
    position: relative;
    overflow: hidden;
}


.card:hover::after {
    opacity: 1;
}

/* Sayaç Animasyonu */
.counter {
    position: relative;
    display: inline-block;
}

.counter::after {
    content: '+';
    position: absolute;
    right: -15px;
    top: 0;
    color: var(--primary-color);
}

/* Bağış Formu Stilleri */
.donation-form {
    padding-top: 120px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

.donation-form .card {
    border-radius: 20px;
    overflow: hidden;
}

.donation-form .card-body {
    padding: 3rem;
}

.donation-form h2 {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 2rem;
}

.donation-form .form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.donation-form .form-control,
.donation-form .form-select {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid #dee2e6;
    transition: var(--transition);
}

.donation-form .form-control:focus,
.donation-form .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(46, 204, 113, 0.25);
}

.donation-form .input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 10px 0 0 10px;
}

.donation-form .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.donation-form .alert-info {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: rgba(46, 204, 113, 0.2);
    color: var(--dark-color);
}

.donation-form .btn-primary {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.donation-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

.donation-form .form-text {
    color: #6c757d;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.donation-form .invalid-feedback {
    font-size: 0.875rem;
    color: #dc3545;
}

.donation-form .form-check-label a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.donation-form .form-check-label a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Responsive Bağış Formu */
@media (max-width: 767.98px) {
    .donation-form .card-body {
        padding: 2rem;
    }
    
    .donation-form h2 {
        font-size: 1.75rem;
    }
    
    .donation-form .btn-primary {
        width: 100%;
    }
}

/* Kart Numarası Formatı */
#cardNumber {
    letter-spacing: 1px;
    font-family: monospace;
}

/* Son Kullanma Tarihi ve CVV */
#expiry, #cvv {
    font-family: monospace;
    letter-spacing: 1px;
}

/* Form Grup Başlıkları */
.donation-form h5 {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

/* Form Grup Aralıkları */
.donation-form .mb-4 {
    margin-bottom: 2rem !important;
}

/* Radio Buton Stilleri */
.form-check-input[type="radio"] {
    width: 1.2em;
    height: 1.2em;
    margin-top: 0.2em;
}

.form-check-label {
    font-weight: 500;
    color: var(--dark-color);
}

/* Select Box Stilleri */
.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px 12px;
    appearance: none;
}

/* Textarea Stilleri */
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Input Placeholder Stilleri */
.form-control::placeholder {
    color: #adb5bd;
    opacity: 1;
}

/* Form Validation Stilleri */
.was-validated .form-control:valid,
.was-validated .form-select:valid {
    border-color: var(--primary-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%232ecc71' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* Ödeme Yöntemleri Stilleri */
.payment-method-card {
    border: 2px solid #dee2e6;
    transition: var(--transition);
    cursor: pointer;
}

.payment-method-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.payment-method-card .form-check-input:checked ~ .card-body {
    border-color: var(--primary-color);
}

.payment-method-card .form-check {
    margin-bottom: 0;
}

.payment-method-card .form-check-label {
    font-weight: 600;
    color: var(--dark-color);
}

.payment-method-card .text-muted {
    font-size: 0.875rem;
}

/* Banka Bilgileri Stilleri */
#bankDetails .alert {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: rgba(46, 204, 113, 0.2);
    color: var(--dark-color);
}

#bankDetails .alert-heading {
    color: var(--primary-color);
    font-weight: 600;
}

#bankDetails .form-text a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

#bankDetails .form-text a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}