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

body {
    font-family: 'Inter', sans-serif;
    color: #1a202c;
    line-height: 1.6;
    background: #f7fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}


/* Language Switcher */

.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 10px;
    background: white;
    padding: 10px;
    border-radius: 50px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.lang-btn {
    padding: 8px 16px;
    border-radius: 25px;
    text-decoration: none;
    color: #4a5568;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.lang-btn:hover {
    background: #f7fafc;
    transform: translateY(-2px);
}

.lang-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}


/* Header */

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0 40px;
    text-align: center;
}

.logo h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.slogan {
    font-size: 20px;
    opacity: 0.9;
    font-weight: 300;
}


/* Hero Section */

.hero {
    padding: 80px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #2d3748;
}

.hero-content p {
    font-size: 20px;
    color: #4a5568;
    max-width: 800px;
    margin: 0 auto;
}


/* Stats Counter */

.stats-counter {
    background: white;
    padding: 60px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.stats-counter .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 56px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: #4a5568;
    font-weight: 500;
}


/* Upload Section */

.upload-section {
    padding: 80px 0;
}

.upload-box {
    background: white;
    border-radius: 24px;
    padding: 60px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    max-width: 800px;
    margin: 0 auto;
}

.upload-box h3 {
    font-size: 32px;
    margin-bottom: 40px;
    text-align: center;
    color: #2d3748;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2d3748;
    font-size: 16px;
}

.form-group input[type="email"] {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f7fafc;
}

.form-group input[type="email"]:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.file-upload-area {
    border: 3px dashed #cbd5e0;
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: #f7fafc;
}

.file-upload-area:hover {
    border-color: #667eea;
    background: #edf2f7;
    transform: translateY(-2px);
}

.file-upload-area.drag-over {
    border-color: #667eea;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-style: solid;
}

.upload-icon {
    margin-bottom: 20px;
    color: #667eea;
    animation: float 3s ease-in-out infinite;
}

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

.file-upload-area h4 {
    font-size: 20px;
    color: #2d3748;
    margin-bottom: 8px;
    font-weight: 600;
}

.file-upload-area p {
    color: #718096;
    font-size: 15px;
    margin-bottom: 12px;
}

.file-limit {
    display: inline-block;
    background: #e2e8f0;
    color: #4a5568;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.file-upload-area input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}


/* Image Preview */

.image-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
    margin-top: 25px;
}

.preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 16px;
    overflow: hidden;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.preview-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.preview-item:hover .preview-remove {
    opacity: 1;
}

.preview-remove:hover {
    background: #fc8181;
    transform: scale(1.1);
}

.preview-remove svg {
    width: 18px;
    height: 18px;
    stroke: #2d3748;
}

.preview-remove:hover svg {
    stroke: white;
}

.preview-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    padding: 20px 10px 10px;
    color: white;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


/* Upload Progress */

.upload-progress {
    margin-top: 25px;
}

.progress-item {
    background: #f7fafc;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 12px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.progress-name {
    font-size: 14px;
    font-weight: 500;
    color: #2d3748;
}

.progress-percent {
    font-size: 14px;
    font-weight: 600;
    color: #667eea;
}

.progress-bar-container {
    height: 6px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.security-notice {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #f0fff4 0%, #e6fffa 100%);
    padding: 18px 24px;
    border-radius: 12px;
    margin: 30px 0;
    border-left: 4px solid #48bb78;
}

.security-notice svg {
    color: #48bb78;
    flex-shrink: 0;
}

.security-notice span {
    color: #22543d;
    font-size: 15px;
    font-weight: 500;
}

.btn-primary {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary svg {
    transition: transform 0.3s ease;
}

.btn-primary:hover:not(:disabled) svg {
    transform: translateX(5px);
}


/* How It Works */

.how-it-works {
    padding: 80px 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 38px;
    margin-bottom: 60px;
    color: #2d3748;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 40px 20px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.step:hover {
    background: #f7fafc;
    transform: translateY(-5px);
}

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2d3748;
}

.step p {
    color: #4a5568;
    font-size: 16px;
    line-height: 1.8;
}


/* Testimonials */

.testimonials {
    padding: 80px 0;
}

.testimonials h2 {
    text-align: center;
    font-size: 38px;
    margin-bottom: 60px;
    color: #2d3748;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial {
    background: white;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.testimonial:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.author-info {
    flex: 1;
}

.author {
    font-weight: 600;
    color: #2d3748;
    font-size: 16px;
    margin-bottom: 4px;
}

.stars {
    color: #f6ad55;
    font-size: 18px;
    letter-spacing: 2px;
}

.testimonial p {
    color: #4a5568;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.testimonial-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.verified {
    color: #48bb78;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.date {
    color: #a0aec0;
    font-size: 13px;
}


/* Footer */

footer {
    background: #2d3748;
    color: white;
    padding: 40px 0;
    text-align: center;
}

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

.admin-link {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.admin-link:hover {
    opacity: 1;
}


/* Responsive */

@media (max-width: 768px) {
    .logo h1 {
        font-size: 36px;
    }
    .hero-content h2 {
        font-size: 32px;
    }
    .upload-box {
        padding: 30px 20px;
    }
    .stat-number {
        font-size: 42px;
    }
    footer .container {
        flex-direction: column;
        gap: 20px;
    }
}