/* Custom CSS for Keskinoglu Ticaret */

/* Reset and base styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Animations */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fade-in 0.6s ease-out;
}

.animate-fade-in-delay {
    animation: fade-in 0.6s ease-out 0.2s both;
}

.animate-fade-in-delay-2 {
    animation: fade-in 0.6s ease-out 0.4s both;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animate-fadeInUp {
    opacity: 1;
    transform: translateY(0);
}

/* Testimonials Styles */
.testimonials-container {
    position: relative;
    overflow: hidden;
}

.testimonials-wrapper {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-card {
    min-width: 100%;
    flex-shrink: 0;
}

/* Button Styles */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border: 1px solid transparent;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 0.5rem;
    color: white;
    background: linear-gradient(to right, #2563eb, #1d4ed8);
    transition: all 0.2s;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    text-decoration: none;
}

.btn-primary:hover {
    background: linear-gradient(to right, #1d4ed8, #1e40af);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    color: white;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border: 2px solid #2563eb;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 0.5rem;
    color: #2563eb;
    background: transparent;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.5rem;
    border: 1px solid #d1d5db;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    color: #374151;
    background: white;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-outline:hover {
    background: #f9fafb;
    color: #374151;
}

/* Navigation */
.nav-link {
    position: relative;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    background: linear-gradient(90deg, #3b82f6, #1e40af);
    transition: all 0.3s ease-in-out;
    transform: translateX(-50%);
}

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

/* Service Cards */
.service-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    border: 1px solid #f3f4f6;
    transform: translateY(0);
}

.service-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: #93c5fd;
    transform: translateY(-4px);
}

.service-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Project Cards */
.project-card {
    background: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    transform: translateY(0);
}

.project-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.project-image {
    width: 100%;
    height: 12rem;
    object-fit: cover;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-overlay:hover {
    opacity: 1;
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border: 1px solid #f3f4f6;
}

/* Form Styles */
.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.5rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background: white;
    color: #111827;
    transition: all 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-checkbox {
    height: 1rem;
    width: 1rem;
    color: #2563eb;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.25rem;
}

.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-success {
    color: #10b981;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Alert Styles */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid;
}

.alert-success {
    background: #ecfdf5;
    border-color: #a7f3d0;
    color: #065f46;
}

.alert-error {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background: #fffbeb;
    border-color: #fed7aa;
    color: #92400e;
}

.alert-info {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #d1d5db;
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 1rem;
}

.modal-content {
    background: white;
    border-radius: 0.75rem;
    max-width: 28rem;
    width: 100%;
    padding: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Payment Cards */
.payment-method {
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.payment-method:hover {
    border-color: #93c5fd;
}

.payment-method.active {
    border-color: #3b82f6;
    background: #eff6ff;
}

/* Timeline */
.timeline-item {
    position: relative;
    padding-left: 2rem;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 0.75rem;
    height: 0.75rem;
    background: #3b82f6;
    border-radius: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 0.375rem;
    top: 1.25rem;
    width: 2px;
    height: calc(100% - 1.25rem);
    background: #d1d5db;
    z-index: -1;
}

.timeline-item:last-child::after {
    display: none;
}

/* Responsive utilities */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .service-card {
        margin-bottom: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* Utility classes */
.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}