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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 20px;
    min-height: calc(100vh - 120px);
}

/* Header Bölümü */
.header-section {
    text-align: center;
    margin-bottom: 30px;
    color: #2C3E50;
}

.logo {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-image {
    max-width: 160px;
    height: auto;
    filter: drop-shadow(0 6px 12px rgba(0,0,0,0.2));
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05);
}

.logo-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-url {
    color: #7F8C8D;
    font-size: 12px;
    margin-top: 5px;
    font-style: italic;
}

.header-section h1 {
    color: #2C3E50;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: none;
    letter-spacing: 0.5px;
}

.header-section .subtitle {
    color: #7F8C8D;
    font-size: 16px;
    margin-bottom: 25px;
}

.header-section .form-instruction {
    color: #7F8C8D;
    font-size: 14px;
    margin-top: 20px;
    font-style: italic;
}

/* Sosyal Medya İconları */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
    padding: 20px;
    background: rgba(248, 249, 250, 0.8);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 18px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.social-icon:hover::before {
    transform: translateX(100%);
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.social-icon i {
    font-size: 24px;
    color: white;
    z-index: 2;
    position: relative;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Platform özel renkler - daha canlı */
.social-icon[href*="otoustader.org"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: 2px solid rgba(102, 126, 234, 0.3);
}

.social-icon[href*="otoustader.org"]:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    border-color: rgba(102, 126, 234, 0.6);
}

.social-icon[href*="instagram"] {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border: 2px solid rgba(240, 148, 51, 0.3);
}

.social-icon[href*="instagram"]:hover {
    background: linear-gradient(135deg, #e0852a 0%, #d55a33 25%, #c91e3a 50%, #b91d5d 75%, #a51678 100%);
    border-color: rgba(240, 148, 51, 0.6);
}

.social-icon[href*="linkedin"] {
    background: linear-gradient(135deg, #0077b5 0%, #005885 100%);
    border: 2px solid rgba(0, 119, 181, 0.3);
}

.social-icon[href*="linkedin"]:hover {
    background: linear-gradient(135deg, #005885 0%, #003d5c 100%);
    border-color: rgba(0, 119, 181, 0.6);
}

.social-icon[href*="youtube"] {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    border: 2px solid rgba(255, 0, 0, 0.3);
}

.social-icon[href*="youtube"]:hover {
    background: linear-gradient(135deg, #cc0000 0%, #990000 100%);
    border-color: rgba(255, 0, 0, 0.6);
}

/* Form Bölümleri */
.form-section-title {
    margin: 30px 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #E8E8E8;
}

.form-section-title h3 {
    color: #2C3E50;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-section-title h3 i {
    color: #E74C3C;
    font-size: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* Form Kartı */
.form-card {
    background: white;
    border-radius: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 750px;
    padding: 40px;
    position: relative;
    margin-top: 20px;
    display: block;
    border: 1px solid rgba(231, 76, 60, 0.1);
    backdrop-filter: blur(10px);
}

/* Mesajlar */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    display: flex;
    align-items: center;
    gap: 10px;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Form Bölümleri */
.form-section {
    position: relative;
}

.form-row {
    display: block;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2C3E50;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #E8E8E8;
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.form-group select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-group input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: none;
    padding-right: 15px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #E74C3C;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.helper-text {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #7F8C8D;
}

/* Radio Butonları */
.radio-group {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    padding: 12px 20px;
    border: 2px solid #E8E8E8;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: #fff;
    flex: 1;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.radio-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(231, 76, 60, 0.1), transparent);
    transition: left 0.5s ease;
}

.radio-label:hover::before {
    left: 100%;
}

.radio-label:hover {
    border-color: #E74C3C;
    background: #fdf2f2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.15);
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid #E8E8E8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    border-color: #E74C3C;
    background: #E74C3C;
    transform: scale(1.1);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: radioCheck 0.3s ease;
}

@keyframes radioCheck {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.radio-label input[type="radio"]:checked ~ * {
    color: #E74C3C;
    font-weight: 600;
}

.radio-label input[type="radio"]:checked {
    border-color: #E74C3C;
    background: #fdf2f2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.2);
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
    padding: 18px 20px;
    border: 2px solid #E8E8E8;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: #fff;
    position: relative;
    overflow: hidden;
}

.checkbox-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(231, 76, 60, 0.1), transparent);
    transition: left 0.5s ease;
}

.checkbox-label:hover::before {
    left: 100%;
}

.checkbox-label:hover {
    border-color: #E74C3C;
    background: #fdf2f2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.15);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #E8E8E8;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
    position: relative;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: #E74C3C;
    border-color: #E74C3C;
    transform: scale(1.1);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
    animation: checkboxCheck 0.3s ease;
}

@keyframes checkboxCheck {
    0% { transform: scale(0) rotate(0deg); }
    50% { transform: scale(1.2) rotate(10deg); }
    100% { transform: scale(1) rotate(0deg); }
}

/* Form Gönder Butonu */
.form-navigation {
    text-align: center;
    margin-top: 30px;
}

.submit-btn {
    background: linear-gradient(135deg, #E74C3C 0%, #C0392B 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

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


/* Footer */
.footer {
    background: #1A252F;
    color: #BDC3C7;
    text-align: center;
    padding: 20px;
    margin-top: auto;
}

.footer p {
    margin-bottom: 5px;
    font-size: 14px;
}

.footer-warning {
    font-size: 12px;
    color: #95A5A6;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .form-card {
        padding: 20px;
        margin-top: 10px;
    }
    
    .header-section h1 {
        font-size: 24px;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .social-icons {
        gap: 10px;
    }
    
    .social-icon {
        width: 35px;
        height: 35px;
    }
    
}