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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --accent-primary: #00f0ff;
    --accent-secondary: #7000ff;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --success: #00ff88;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--accent-primary);
    margin-bottom: 3rem;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
}

/* CTA Button */
.cta-button {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--bg-primary);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::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;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.5);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button.full-width {
    width: 100%;
    justify-content: center;
}

.arrow-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.cta-button:hover .arrow-icon {
    transform: translateX(5px);
}

/* Upload Section */
.upload-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-primary);
}

.upload-container {
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.upload-container h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.upload-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.drop-zone {
    border: 2px dashed rgba(0, 240, 255, 0.3);
    border-radius: 12px;
    padding: 3rem 2rem;
    background: rgba(0, 240, 255, 0.02);
    transition: all 0.3s ease;
    cursor: pointer;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(0, 240, 255, 0.05);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.or {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.file-label {
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.file-label:hover {
    background: rgba(0, 240, 255, 0.2);
}

/* Preview Container */
.preview-container {
    position: relative;
    max-width: 400px;
    margin: 2rem auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
}

.preview-container img {
    width: 100%;
    height: auto;
    display: block;
}

.remove-button {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.remove-button:hover {
    background: var(--accent-secondary);
}

/* Analysis Section */
.analysis-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-primary);
}

.analysis-container {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.alpha-mod-engine {
    margin-bottom: 3rem;
}

.engine-logo {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--accent-primary);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.scanner-grid {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 240, 255, 0.02);
}

.scanner-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    animation: scan 2s ease-in-out infinite;
    box-shadow: 0 0 20px var(--accent-primary);
}

@keyframes scan {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.scan-points {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, var(--accent-primary) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
    animation: pointsPulse 1.5s ease-in-out infinite;
}

@keyframes pointsPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.analysis-progress {
    margin-top: 2rem;
}

.progress-message {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    min-height: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    width: 0%;
    transition: width 0.3s ease;
    animation: progressFill 2s ease-in-out;
}

@keyframes progressFill {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* Score Ready Section */
.score-ready-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-primary);
}

.score-ready-container {
    max-width: 500px;
    width: 100%;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    color: var(--success);
    animation: successPulse 0.5s ease-out;
}

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

.score-ready-container h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.ready-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.benefits-list {
    text-align: left;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.benefit-item:last-child {
    border-bottom: none;
}

.check-icon {
    width: 20px;
    height: 20px;
    color: var(--success);
    flex-shrink: 0;
}

.email-form {
    margin-bottom: 2rem;
}

.email-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.email-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.email-input::placeholder {
    color: var(--text-secondary);
}

.privacy-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.lock-icon {
    width: 16px;
    height: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .drop-zone {
        padding: 2rem 1.5rem;
    }
    
    .upload-icon {
        width: 40px;
        height: 40px;
    }
    
    .scanner-grid {
        width: 250px;
        height: 250px;
    }
    
    .score-ready-container h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 1.5rem;
    }
    
    .logo {
        font-size: 0.85rem;
        margin-bottom: 2rem;
    }
    
    .upload-section,
    .analysis-section,
    .score-ready-section {
        padding: 1.5rem;
    }
    
    .benefit-item {
        font-size: 0.95rem;
    }
}