/* Variables */
:root {
    --bg-dark: #0a0f0d;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --accent: #c4ff61;
    --accent-hover: #d4ff7a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 13, 0.8);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(180deg, rgba(196, 255, 97, 0.05) 0%, transparent 100%);
}

.hero-title {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.free-badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px 24px;
    border-radius: 30px;
    color: var(--accent);
    font-weight: 500;
}

/* Tools Section */
.tools-section {
    padding: 60px 20px;
}

.tools-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

/* FIXED: Tool Grid - 3 columns side by side */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.tool-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.tool-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.tool-card.active {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.tool-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.tool-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.tool-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Upload Area */
.upload-area {
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    margin: 40px auto;
    max-width: 600px;
}

.upload-area:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.upload-area.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.upload-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.browse-btn {
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: all 0.3s;
}

.browse-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* Processing Area */
.processing-area {
    text-align: center;
    padding: 60px 40px;
    max-width: 600px;
    margin: 40px auto;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.processing-hint {
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Result Area */
.result-area {
    text-align: center;
    padding: 40px;
    max-width: 800px;
    margin: 40px auto;
}

.result-area img {
    max-width: 100%;
    border-radius: 12px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}

.result-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
}

.btn-primary, .btn-secondary {
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

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

/* Rate Limit Info */
.rate-limit-info {
    text-align: center;
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: 14px;
}

.hidden {
    display: none !important;
}

/* Features Section */
.features-section {
    padding: 80px 20px;
    background: var(--bg-card);
}

.features-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

/* FIXED: Features Grid - 4 columns side by side */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature {
    background: var(--bg-dark);
    padding: 32px 24px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
    padding: 80px 20px;
}

.pricing-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 16px;
}

.pricing-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
}

.pricing-card.featured {
    border-color: var(--accent);
    background: rgba(196, 255, 97, 0.05);
}

.pricing-card .badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-dark);
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.price {
    font-size: 48px;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 32px;
}

.price span {
    font-size: 18px;
    color: var(--text-secondary);
}

/* FIXED: Pricing list - no bullets */
.pricing-card ul {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-card ul li {
    padding: 12px 0;
    color: var(--text-secondary);
}

.pricing-card button {
    width: 100%;
}

/* Footer */
footer {
    padding: 40px 20px;
    border-top: 1px solid var(--border);
    margin-top: 80px;
}

footer p {
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 36px;
    }
}